diff --git a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main.py b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main.py
index e4a77ca4ec..3403c938a8 100644
--- a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main.py
+++ b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main.py
@@ -23,20 +23,20 @@ TEST_DIRECTORY = os.path.join(os.path.dirname(__file__), "tests")
 class TestAtomEditorComponentsMain(object):
     """Holds tests for Atom components."""
 
+    @pytest.mark.test_case_id("C32078118")  # Decal
+    @pytest.mark.test_case_id("C32078119")  # DepthOfField
+    @pytest.mark.test_case_id("C32078120")  # Directional Light
+    @pytest.mark.test_case_id("C32078121")  # Exposure Control
+    @pytest.mark.test_case_id("C32078115")  # Global Skylight (IBL)
+    @pytest.mark.test_case_id("C32078125")  # Physical Sky
+    @pytest.mark.test_case_id("C32078127")  # PostFX Layer
+    @pytest.mark.test_case_id("C32078131")  # PostFX Radius Weight Modifier
+    @pytest.mark.test_case_id("C32078117")  # Light
+    @pytest.mark.test_case_id("C36525660")  # Display Mapper
     def test_AtomEditorComponents_AddedToEntity(self, request, editor, level, workspace, project, launcher_platform):
         """
         Please review the hydra script run by this test for more specific test info.
-        Tests the following Atom components and verifies all "expected_lines" appear in Editor.log:
-        1. Display Mapper
-        2. Light
-        3. PostFX Radius Weight Modifier
-        4. PostFX Layer
-        5. Physical Sky
-        6. Global Skylight (IBL)
-        7. Exposure Control
-        8. Directional Light
-        9. DepthOfField
-        10. Decal
+        Tests the Atom components & verifies all "expected_lines" appear in Editor.log
         """
         cfg_args = [level]
 
@@ -69,6 +69,18 @@ class TestAtomEditorComponentsMain(object):
             "DepthOfField_test: Entity deleted: True",
             "DepthOfField_test: UNDO entity deletion works: True",
             "DepthOfField_test: REDO entity deletion works: True",
+            # Directional Light Component
+            "Directional Light Entity successfully created",
+            "Directional Light_test: Component added to the entity: True",
+            "Directional Light_test: Component removed after UNDO: True",
+            "Directional Light_test: Component added after REDO: True",
+            "Directional Light_test: Entered game mode: True",
+            "Directional Light_test: Exit game mode: True",
+            "Directional Light_test: Entity is hidden: True",
+            "Directional Light_test: Entity is shown: True",
+            "Directional Light_test: Entity deleted: True",
+            "Directional Light_test: UNDO entity deletion works: True",
+            "Directional Light_test: REDO entity deletion works: True",
             # Exposure Control Component
             "Exposure Control Entity successfully created",
             "Exposure Control_test: Component added to the entity: True",
@@ -180,6 +192,7 @@ class TestAtomEditorComponentsMain(object):
             cfg_args=cfg_args,
         )
 
+    @pytest.mark.test_case_id("C34525095")
     def test_AtomEditorComponents_LightComponent(
             self, request, editor, workspace, project, launcher_platform, level):
         """
@@ -266,6 +279,15 @@ class TestMaterialEditorBasicTests(object):
         request.addfinalizer(teardown)
 
     @pytest.mark.parametrize("exe_file_name", ["MaterialEditor"])
+    @pytest.mark.test_case_id("C34448113")  # Creating a New Asset.
+    @pytest.mark.test_case_id("C34448114")  # Opening an Existing Asset.
+    @pytest.mark.test_case_id("C34448115")  # Closing Selected Material.
+    @pytest.mark.test_case_id("C34448116")  # Closing All Materials.
+    @pytest.mark.test_case_id("C34448117")  # Closing all but Selected Material.
+    @pytest.mark.test_case_id("C34448118")  # Saving Material.
+    @pytest.mark.test_case_id("C34448119")  # Saving as a New Material.
+    @pytest.mark.test_case_id("C34448120")  # Saving as a Child Material.
+    @pytest.mark.test_case_id("C34448121")  # Saving all Open Materials.
     def test_MaterialEditorBasicTests(
             self, request, workspace, project, launcher_platform, generic_launcher, exe_file_name):
 
diff --git a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU.py b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU.py
index 220623af8b..381f266fab 100644
--- a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU.py
+++ b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU.py
@@ -73,6 +73,7 @@ def create_screenshots_archive(screenshot_path):
 class TestAllComponentsIndepthTests(object):
 
     @pytest.mark.parametrize("screenshot_name", ["AtomBasicLevelSetup.ppm"])
+    @pytest.mark.test_case_id("C34603773")
     def test_BasicLevelSetup_SetsUpLevel(
             self, request, editor, workspace, project, launcher_platform, level, screenshot_name):
         """
@@ -115,6 +116,7 @@ class TestAllComponentsIndepthTests(object):
 
         create_screenshots_archive(screenshot_directory)
 
+    @pytest.mark.test_case_id("C34525095")
     def test_LightComponent_ScreenshotMatchesGoldenImage(
             self, request, editor, workspace, project, launcher_platform, level):
         """
@@ -146,7 +148,7 @@ class TestAllComponentsIndepthTests(object):
             golden_image_path = os.path.join(golden_images_directory(), golden_image)
             golden_images.append(golden_image_path)
 
-        expected_lines = ["Light component tests completed."]
+        expected_lines = ["spot_light Controller|Configuration|Shadows|Shadowmap size: SUCCESS"]
         unexpected_lines = [
             "Trace::Assert",
             "Trace::Error",
@@ -225,6 +227,8 @@ class TestMaterialEditor(object):
         pytest.param("-rhi=Vulkan", ["Registering vulkan RHI"])
     ])
     @pytest.mark.parametrize("exe_file_name", ["MaterialEditor"])
+    @pytest.mark.test_case_id("C30973986")  # Material Editor Launching in Dx12
+    @pytest.mark.test_case_id("C30973987")  # Material Editor Launching in Vulkan
     def test_MaterialEditorLaunch_AllRHIOptionsSucceed(
             self, request, workspace, project, launcher_platform, generic_launcher, exe_file_name, cfg_args,
             expected_lines):
diff --git a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU_Optimized.py b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU_Optimized.py
index ef572d6e5c..568768e12e 100644
--- a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU_Optimized.py
+++ b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_GPU_Optimized.py
@@ -23,6 +23,7 @@ class TestAutomation(EditorTestSuite):
     # Remove -autotest_mode from global_extra_cmdline_args since we need rendering for these tests.
     global_extra_cmdline_args = ["-BatchMode"]  # Default is ["-BatchMode", "-autotest_mode"]
 
+    @pytest.mark.test_case_id("C34603773")
     class AtomGPU_BasicLevelSetup_SetsUpLevel(EditorSharedTest):
         use_null_renderer = False  # Default is True
         screenshot_name = "AtomBasicLevelSetup.ppm"
diff --git a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_Optimized.py b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_Optimized.py
index 31b4cb687d..447a4ebac9 100644
--- a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_Optimized.py
+++ b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Main_Optimized.py
@@ -67,5 +67,9 @@ class TestAutomation(EditorTestSuite):
     class AtomEditorComponents_PostFXLayerAdded(EditorSharedTest):
         from Atom.tests import hydra_AtomEditorComponents_PostFXLayerAdded as test_module
 
+    @pytest.mark.test_case_id("C36525665")
+    class AtomEditorComponents_PostFXShapeWeightModifierAdded(EditorSharedTest):
+        from Atom.tests import hydra_AtomEditorComponents_PostFxShapeWeightModifierAdded as test_module
+
     class ShaderAssetBuilder_RecompilesShaderAsChainOfDependenciesChanges(EditorSharedTest):
         from Atom.tests import hydra_ShaderAssetBuilder_RecompilesShaderAsChainOfDependenciesChanges as test_module
diff --git a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Sandbox.py b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Sandbox.py
index 79caf26784..58e5d00ff2 100644
--- a/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Sandbox.py
+++ b/AutomatedTesting/Gem/PythonTests/Atom/TestSuite_Sandbox.py
@@ -30,6 +30,7 @@ class TestAtomEditorComponentsSandbox(object):
     class TestAtomEditorComponentsMain(object):
         """Holds tests for Atom components."""
 
+        @pytest.mark.test_case_id("C32078128")
         def test_AtomEditorComponents_ReflectionProbeAddedToEntity(
                 self, request, editor, level, workspace, project, launcher_platform):
             """
diff --git a/AutomatedTesting/Gem/PythonTests/Atom/tests/hydra_AtomEditorComponents_PostFxShapeWeightModifierAdded.py b/AutomatedTesting/Gem/PythonTests/Atom/tests/hydra_AtomEditorComponents_PostFxShapeWeightModifierAdded.py
new file mode 100644
index 0000000000..4c98bcd130
--- /dev/null
+++ b/AutomatedTesting/Gem/PythonTests/Atom/tests/hydra_AtomEditorComponents_PostFxShapeWeightModifierAdded.py
@@ -0,0 +1,207 @@
+"""
+Copyright (c) Contributors to the Open 3D Engine Project.
+For complete copyright and license terms please see the LICENSE at the root of this distribution.
+
+SPDX-License-Identifier: Apache-2.0 OR MIT
+"""
+
+class Tests:
+    creation_undo = (
+        "UNDO Entity creation success",
+        "UNDO Entity creation failed")
+    creation_redo = (
+        "REDO Entity creation success",
+        "REDO Entity creation failed")
+    postfx_shape_weight_creation = (
+        "PostFx Shape Weight Modifier Entity successfully created",
+        "PostFx Shape Weight Modifier Entity failed to be created")
+    postfx_shape_weight_component = (
+        "Entity has a PostFx Shape Weight Modifier component",
+        "Entity failed to find PostFx Shape Weight Modifier component")
+    postfx_shape_weight_disabled = (
+        "PostFx Shape Weight Modifier component disabled",
+        "PostFx Shape Weight Modifier component was not disabled.")
+    postfx_layer_component = (
+        "Entity has a PostFX Layer component",
+        "Entity did not have an PostFX Layer component")
+    tube_shape_component = (
+        "Entity has a Tube Shape component",
+        "Entity did not have a Tube Shape component")
+    postfx_shape_weight_enabled = (
+        "PostFx Shape Weight Modifier component enabled",
+        "PostFx Shape Weight Modifier component was not enabled.")
+    enter_game_mode = (
+        "Entered game mode",
+        "Failed to enter game mode")
+    exit_game_mode = (
+        "Exited game mode",
+        "Couldn't exit game mode")
+    is_visible = (
+        "Entity is visible",
+        "Entity was not visible")
+    is_hidden = (
+        "Entity is hidden",
+        "Entity was not hidden")
+    entity_deleted = (
+        "Entity deleted",
+        "Entity was not deleted")
+    deletion_undo = (
+        "UNDO deletion success",
+        "UNDO deletion failed")
+    deletion_redo = (
+        "REDO deletion success",
+        "REDO deletion failed")
+
+
+def AtomEditorComponents_postfx_shape_weight_AddedToEntity():
+    """
+    Summary:
+    Tests the PostFx Shape Weight Modifier component can be added to an entity and has the expected functionality.
+
+    Test setup:
+    - Wait for Editor idle loop.
+    - Open the "Base" level.
+
+    Expected Behavior:
+    The component can be added, used in game mode, hidden/shown, deleted, and has accurate required components.
+    Creation and deletion undo/redo should also work.
+
+    Test Steps:
+    1) Create a PostFx Shape Weight Modifier entity with no components.
+    2) Add a PostFx Shape Weight Modifier component to PostFx Shape Weight Modifier entity.
+    3) UNDO the entity creation and component addition.
+    4) REDO the entity creation and component addition.
+    5) Verify PostFx Shape Weight Modifier component not enabled.
+    6) Add PostFX Layer component since it is required by the PostFx Shape Weight Modifier component.
+    7) Verify PostFx Shape Weight Modifier component is NOT enabled since it also requires a shape.
+    8) Add a required shape looping over a list and checking if it enables PostFX Shape Weight Modifier.
+    9) Undo to remove each added shape and verify PostFX Shape Weight Modifier is not enabled.
+    10) Verify PostFx Shape Weight Modifier component is enabled by adding Spline and Tube Shape component.
+    11) Enter/Exit game mode.
+    12) Test IsHidden.
+    13) Test IsVisible.
+    14) Delete PostFx Shape Weight Modifier entity.
+    15) UNDO deletion.
+    16) REDO deletion.
+    17) Look for errors.
+
+    :return: None
+    """
+
+    import azlmbr.legacy.general as general
+
+    from editor_python_test_tools.editor_entity_utils import EditorEntity
+    from editor_python_test_tools.utils import Report, Tracer, TestHelper
+
+    with Tracer() as error_tracer:
+        # Test setup begins.
+        # Setup: Wait for Editor idle loop before executing Python hydra scripts then open "Base" level.
+        TestHelper.init_idle()
+        TestHelper.open_level("", "Base")
+
+        # Test steps begin.
+        # 1. Create a PostFx Shape Weight Modifier entity with no components.
+        postfx_shape_weight_name = "PostFX Shape Weight Modifier"
+        postfx_shape_weight_entity = EditorEntity.create_editor_entity(postfx_shape_weight_name)
+        Report.critical_result(Tests.postfx_shape_weight_creation, postfx_shape_weight_entity.exists())
+
+        # 2. Add a PostFx Shape Weight Modifier component to PostFx Shape Weight Modifier entity.
+        postfx_shape_weight_component = postfx_shape_weight_entity.add_component(postfx_shape_weight_name)
+        Report.critical_result(
+            Tests.postfx_shape_weight_component,
+            postfx_shape_weight_entity.has_component(postfx_shape_weight_name))
+
+        # 3. UNDO the entity creation and component addition.
+        # -> UNDO component addition.
+        general.undo()
+        # -> UNDO naming entity.
+        general.undo()
+        # -> UNDO selecting entity.
+        general.undo()
+        # -> UNDO entity creation.
+        general.undo()
+        general.idle_wait_frames(1)
+        Report.result(Tests.creation_undo, not postfx_shape_weight_entity.exists())
+
+        # 4. REDO the entity creation and component addition.
+        # -> REDO entity creation.
+        general.redo()
+        # -> REDO selecting entity.
+        general.redo()
+        # -> REDO naming entity.
+        general.redo()
+        # -> REDO component addition.
+        general.redo()
+        general.idle_wait_frames(1)
+        Report.result(Tests.creation_redo, postfx_shape_weight_entity.exists())
+
+        # 5. Verify PostFx Shape Weight Modifier component not enabled.
+        Report.result(Tests.postfx_shape_weight_disabled, not postfx_shape_weight_component.is_enabled())
+
+        # 6. Add PostFX Layer component since it is required by the PostFx Shape Weight Modifier component.
+        postfx_layer_name = "PostFX Layer"
+        postfx_shape_weight_entity.add_component(postfx_layer_name)
+        Report.result(Tests.postfx_layer_component, postfx_shape_weight_entity.has_component(postfx_layer_name))
+
+        # 7. Verify PostFx Shape Weight Modifier component is NOT enabled since it also requires a shape.
+        Report.result(Tests.postfx_shape_weight_disabled, not postfx_shape_weight_component.is_enabled())
+
+        # 8. Add a required shape looping over a list and checking if it enables PostFX Shape Weight Modifier.
+        for shape in ['Axis Aligned Box Shape', 'Box Shape', 'Capsule Shape', 'Compound Shape', 'Cylinder Shape',
+                      'Disk Shape', 'Polygon Prism Shape', 'Quad Shape', 'Sphere Shape', 'Vegetation Reference Shape']:
+            postfx_shape_weight_entity.add_component(shape)
+            test_shape = (
+                f"Entity has a {shape} component",
+                f"Entity did not have a {shape} component")
+            Report.result(test_shape, postfx_shape_weight_entity.has_component(shape))
+
+            # Check if required shape allows PostFX Shape Weight Modifier to be enabled
+            Report.result(Tests.postfx_shape_weight_enabled, postfx_shape_weight_component.is_enabled())
+
+            # 9. Undo to remove each added shape and verify PostFX Shape Weight Modifier is not enabled.
+            general.undo()
+            TestHelper.wait_for_condition(lambda: not postfx_shape_weight_entity.has_component(shape), 1.0)
+            Report.result(Tests.postfx_shape_weight_disabled, not postfx_shape_weight_component.is_enabled())
+
+        # 10. Verify PostFx Shape Weight Modifier component is enabled by adding Spline and Tube Shape component.
+        postfx_shape_weight_entity.add_components(['Spline', 'Tube Shape'])
+        Report.result(Tests.tube_shape_component, postfx_shape_weight_entity.has_component('Tube Shape'))
+        Report.result(Tests.postfx_shape_weight_enabled, postfx_shape_weight_component.is_enabled())
+
+        # 11. Enter/Exit game mode.
+        TestHelper.enter_game_mode(Tests.enter_game_mode)
+        general.idle_wait_frames(1)
+        TestHelper.exit_game_mode(Tests.exit_game_mode)
+
+        # 12. Test IsHidden.
+        postfx_shape_weight_entity.set_visibility_state(False)
+        Report.result(Tests.is_hidden, postfx_shape_weight_entity.is_hidden() is True)
+
+        # 13. Test IsVisible.
+        postfx_shape_weight_entity.set_visibility_state(True)
+        general.idle_wait_frames(1)
+        Report.result(Tests.is_visible, postfx_shape_weight_entity.is_visible() is True)
+
+        # 14. Delete PostFx Shape Weight Modifier entity.
+        postfx_shape_weight_entity.delete()
+        Report.result(Tests.entity_deleted, not postfx_shape_weight_entity.exists())
+
+        # 15. UNDO deletion.
+        general.undo()
+        Report.result(Tests.deletion_undo, postfx_shape_weight_entity.exists())
+
+        # 16. REDO deletion.
+        general.redo()
+        Report.result(Tests.deletion_redo, not postfx_shape_weight_entity.exists())
+
+        # 17. Look for errors or asserts.
+        TestHelper.wait_for_condition(lambda: error_tracer.has_errors or error_tracer.has_asserts, 1.0)
+        for error_info in error_tracer.errors:
+            Report.info(f"Error: {error_info.filename} {error_info.function} | {error_info.message}")
+        for assert_info in error_tracer.asserts:
+            Report.info(f"Assert: {assert_info.filename} {assert_info.function} | {assert_info.message}")
+
+
+if __name__ == "__main__":
+    from editor_python_test_tools.utils import Report
+    Report.start_test(AtomEditorComponents_postfx_shape_weight_AddedToEntity)
diff --git a/AutomatedTesting/Objects/MorphTargets/DisplayWrinkleMaskBlendValues.material b/AutomatedTesting/Objects/MorphTargets/DisplayWrinkleMaskBlendValues.material
new file mode 100644
index 0000000000..878b3ac39f
--- /dev/null
+++ b/AutomatedTesting/Objects/MorphTargets/DisplayWrinkleMaskBlendValues.material
@@ -0,0 +1,13 @@
+{
+    "description": "",
+    "materialType": "Materials/Types/Skin.materialtype",
+    "parentMaterial": "",
+    "propertyLayoutVersion": 3,
+    "properties": {
+        "wrinkleLayers": {
+            "count": 3,
+            "enable": true,
+            "showBlendValues": true
+        }
+    }
+}
diff --git a/AutomatedTesting/Objects/MorphTargets/morphActor.fbx b/AutomatedTesting/Objects/MorphTargets/morphActor.fbx
new file mode 100644
index 0000000000..ffb75e680e
--- /dev/null
+++ b/AutomatedTesting/Objects/MorphTargets/morphActor.fbx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53e17ec8155911c8b42e85436130f600bd6dddd8931a8ccb1b2f8a9f8674cc85
+size 45104
diff --git a/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph1_wrinklemask.tif b/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph1_wrinklemask.tif
new file mode 100644
index 0000000000..3bc18cf450
--- /dev/null
+++ b/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph1_wrinklemask.tif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0da56a05daa0ec1c476cfe25ca6d3b65267c98886cf33408f6e852fb325a8e2c
+size 198084
diff --git a/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph2_wriklemask.tif b/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph2_wriklemask.tif
new file mode 100644
index 0000000000..39e70f5acf
--- /dev/null
+++ b/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph2_wriklemask.tif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3537fbe9205731a242251c525a67bbb5f3b8f5307537f1dc0c318b5b885ce52
+size 198112
diff --git a/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph3_wrinklemask.tif b/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph3_wrinklemask.tif
new file mode 100644
index 0000000000..43e19f0d5f
--- /dev/null
+++ b/AutomatedTesting/Objects/MorphTargets/morphActor_wrinklemasks/Morph3_wrinklemask.tif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd794d5dd4b749c3275bfab79b9b5ae3f8e007d3e6741c0566c9c2d3931123bf
+size 198112
diff --git a/AutomatedTesting/Objects/MorphTargets/morphAnimation.fbx b/AutomatedTesting/Objects/MorphTargets/morphAnimation.fbx
new file mode 100644
index 0000000000..c0dcc007dc
--- /dev/null
+++ b/AutomatedTesting/Objects/MorphTargets/morphAnimation.fbx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:45ded862987a64061deffd8e4c9aa1dff4eec3bcff5f7b505679f1959e8ae137
+size 51440
diff --git a/Code/Editor/CMakeLists.txt b/Code/Editor/CMakeLists.txt
index 2ea0aa1a74..bdfac373eb 100644
--- a/Code/Editor/CMakeLists.txt
+++ b/Code/Editor/CMakeLists.txt
@@ -102,7 +102,7 @@ ly_add_target(
             3rdParty::Qt::Gui
             3rdParty::Qt::Widgets
             3rdParty::Qt::Concurrent
-            3rdParty::tiff
+            3rdParty::TIFF
             3rdParty::squish-ccr
             3rdParty::AWSNativeSDK::STS
             Legacy::CryCommon
diff --git a/Code/Editor/CryEdit.cpp b/Code/Editor/CryEdit.cpp
index abba2bb9c6..4f2e995ac4 100644
--- a/Code/Editor/CryEdit.cpp
+++ b/Code/Editor/CryEdit.cpp
@@ -57,6 +57,7 @@ AZ_POP_DISABLE_WARNING
 #include <AzFramework/StringFunc/StringFunc.h>
 #include <AzFramework/Terrain/TerrainDataRequestBus.h>
 #include <AzFramework/ProjectManager/ProjectManager.h>
+#include <AzFramework/Spawnable/RootSpawnableInterface.h>
 
 // AzToolsFramework
 #include <AzToolsFramework/Component/EditorComponentAPIBus.h>
@@ -3021,6 +3022,15 @@ CCryEditApp::ECreateLevelResult CCryEditApp::CreateLevel(const QString& levelNam
         bool bIsDocModified = GetIEditor()->GetDocument()->IsModified();
         OnSwitchPhysics();
         GetIEditor()->GetDocument()->SetModifiedFlag(bIsDocModified);
+
+        if (usePrefabSystemForLevels)
+        {
+            auto* rootSpawnableInterface = AzFramework::RootSpawnableInterface::Get();
+            if (rootSpawnableInterface)
+            {
+                rootSpawnableInterface->ProcessSpawnableQueue();
+            }
+        }
     }
 
     const QScopedValueRollback<bool> rollback(m_creatingNewLevel);
diff --git a/Code/Framework/AzCore/AzCore/Math/IntersectSegment.cpp b/Code/Framework/AzCore/AzCore/Math/IntersectSegment.cpp
index a7a0d5197e..5d13acc34c 100644
--- a/Code/Framework/AzCore/AzCore/Math/IntersectSegment.cpp
+++ b/Code/Framework/AzCore/AzCore/Math/IntersectSegment.cpp
@@ -15,7 +15,7 @@ using namespace Intersect;
 // IntersectSegmentTriangleCCW
 // [10/21/2009]
 //=========================================================================
-int Intersect::IntersectSegmentTriangleCCW(
+bool Intersect::IntersectSegmentTriangleCCW(
     const Vector3& p, const Vector3& q, const Vector3& a, const Vector3& b, const Vector3& c,
     /*float &u, float &v, float &w,*/ Vector3& normal, float& t)
 {
@@ -34,7 +34,7 @@ int Intersect::IntersectSegmentTriangleCCW(
     float d = qp.Dot(normal);
     if (d <= 0.0f)
     {
-        return 0;
+        return false;
     }
 
     // Compute intersection t value of pq with plane of triangle. A ray
@@ -46,7 +46,7 @@ int Intersect::IntersectSegmentTriangleCCW(
     // range segment check t[0,1] (it this case [0,d])
     if (t < 0.0f || t > d)
     {
-        return 0;
+        return false;
     }
 
     // Compute barycentric coordinate components and test if within bounds
@@ -54,12 +54,12 @@ int Intersect::IntersectSegmentTriangleCCW(
     v = ac.Dot(e);
     if (v < 0.0f || v > d)
     {
-        return 0;
+        return false;
     }
     w = -ab.Dot(e);
     if (w < 0.0f || v + w > d)
     {
-        return 0;
+        return false;
     }
 
     // Segment/ray intersects triangle. Perform delayed division and
@@ -72,14 +72,14 @@ int Intersect::IntersectSegmentTriangleCCW(
 
     normal.Normalize();
 
-    return 1;
+    return true;
 }
 
 //=========================================================================
 // IntersectSegmentTriangle
 // [10/21/2009]
 //=========================================================================
-int
+bool
 Intersect::IntersectSegmentTriangle(
     const Vector3& p, const Vector3& q, const Vector3& a, const Vector3& b, const Vector3& c,
     /*float &u, float &v, float &w,*/ Vector3& normal, float& t)
@@ -111,7 +111,7 @@ Intersect::IntersectSegmentTriangle(
         // so either have a parallel ray or our normal is flipped
         if (d >= -Constants::FloatEpsilon)
         {
-            return 0; // parallel
+            return false; // parallel
         }
         d = -d;
         e = ap.Cross(qp);
@@ -125,19 +125,19 @@ Intersect::IntersectSegmentTriangle(
     // range segment check t[0,1] (it this case [0,d])
     if (t < 0.0f || t > d)
     {
-        return 0;
+        return false;
     }
 
     // Compute barycentric coordinate components and test if within bounds
     v = ac.Dot(e);
     if (v < 0.0f || v > d)
     {
-        return 0;
+        return false;
     }
     w = -ab.Dot(e);
     if (w < 0.0f || v + w > d)
     {
-        return 0;
+        return false;
     }
 
     // Segment/ray intersects the triangle. Perform delayed division and
@@ -150,14 +150,14 @@ Intersect::IntersectSegmentTriangle(
 
     normal.Normalize();
 
-    return 1;
+    return true;
 }
 
 //=========================================================================
 // TestSegmentAABBOrigin
 // [10/21/2009]
 //=========================================================================
-int
+bool
 AZ::Intersect::TestSegmentAABBOrigin(const Vector3& midPoint, const Vector3& halfVector, const Vector3& aabbExtends)
 {
     const Vector3 EPSILON(0.001f); // \todo this is slow load move to a const
@@ -168,7 +168,7 @@ AZ::Intersect::TestSegmentAABBOrigin(const Vector3& midPoint, const Vector3& hal
     // Try world coordinate axes as separating axes
     if (!absMidpoint.IsLessEqualThan(absHalfMidpoint))
     {
-        return 0;
+        return false;
     }
 
     // Add in an epsilon term to counteract arithmetic errors when segment is
@@ -188,11 +188,11 @@ AZ::Intersect::TestSegmentAABBOrigin(const Vector3& midPoint, const Vector3& hal
     Vector3 ead(ey * adz + ez * ady, ex * adz + ez * adx, ex * ady + ey * adx);
     if (!absMDCross.IsLessEqualThan(ead))
     {
-        return 0;
+        return false;
     }
 
     // No separating axis found; segment must be overlapping AABB
-    return 1;
+    return true;
 }
 
 
@@ -200,7 +200,7 @@ AZ::Intersect::TestSegmentAABBOrigin(const Vector3& midPoint, const Vector3& hal
 // IntersectRayAABB
 // [10/21/2009]
 //=========================================================================
-int
+RayAABBIsectTypes
 AZ::Intersect::IntersectRayAABB(
     const Vector3& rayStart, const Vector3& dir, const Vector3& dirRCP, const Aabb& aabb,
     float& tStart, float& tEnd, Vector3& startNormal /*, Vector3& inter*/)
@@ -356,7 +356,7 @@ AZ::Intersect::IntersectRayAABB(
 // IntersectRayAABB2
 // [2/18/2011]
 //=========================================================================
-int
+RayAABBIsectTypes
 AZ::Intersect::IntersectRayAABB2(const Vector3& rayStart, const Vector3& dirRCP, const Aabb& aabb, float& start, float& end)
 {
     float tmin, tmax, tymin, tymax, tzmin, tzmax;
@@ -408,7 +408,7 @@ AZ::Intersect::IntersectRayAABB2(const Vector3& rayStart, const Vector3& dirRCP,
     return ISECT_RAY_AABB_ISECT;
 }
 
-int AZ::Intersect::IntersectRayDisk(
+bool AZ::Intersect::IntersectRayDisk(
     const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& diskCenter, const float diskRadius, const Vector3& diskNormal, float& t)
 {
     // First intersect with the plane of the disk
@@ -421,10 +421,10 @@ int AZ::Intersect::IntersectRayDisk(
         if (pointOnPlane.GetDistance(diskCenter) < diskRadius)
         {
             t = planeIntersectionDistance;
-            return 1;
+            return true;
         }
     }
-    return 0;
+    return false;
 }
 
 // Reference: Real-Time Collision Detection - 5.3.7 Intersecting Ray or Segment Against Cylinder, and the book's errata.
@@ -1012,7 +1012,7 @@ int AZ::Intersect::IntersectRayQuad(
 }
 
 // reference: Real-Time Collision Detection, 5.3.3 Intersecting Ray or Segment Against Box
-int AZ::Intersect::IntersectRayBox(
+bool AZ::Intersect::IntersectRayBox(
     const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& boxCenter, const Vector3& boxAxis1,
     const Vector3& boxAxis2, const Vector3& boxAxis3, float boxHalfExtent1, float boxHalfExtent2, float boxHalfExtent3, float& t)
 {
@@ -1044,7 +1044,7 @@ int AZ::Intersect::IntersectRayBox(
         // If the ray is parallel to the slab and the ray origin is outside, return no intersection.
         if (tp < 0.0f || tn < 0.0f)
         {
-            return 0;
+            return false;
         }
     }
     else
@@ -1065,7 +1065,7 @@ int AZ::Intersect::IntersectRayBox(
         tmax = AZ::GetMin(tmax, t2);
         if (tmin > tmax)
         {
-            return 0;
+            return false;
         }
     }
 
@@ -1085,7 +1085,7 @@ int AZ::Intersect::IntersectRayBox(
         // If the ray is parallel to the slab and the ray origin is outside, return no intersection.
         if (tp < 0.0f || tn < 0.0f)
         {
-            return 0;
+            return false;
         }
     }
     else
@@ -1106,7 +1106,7 @@ int AZ::Intersect::IntersectRayBox(
         tmax = AZ::GetMin(tmax, t2);
         if (tmin > tmax)
         {
-            return 0;
+            return false;
         }
     }
 
@@ -1126,7 +1126,7 @@ int AZ::Intersect::IntersectRayBox(
         // If the ray is parallel to the slab and the ray origin is outside, return no intersection.
         if (tp < 0.0f || tn < 0.0f)
         {
-            return 0;
+            return false;
         }
     }
     else
@@ -1147,15 +1147,15 @@ int AZ::Intersect::IntersectRayBox(
         tmax = AZ::GetMin(tmax, t2);
         if (tmin > tmax)
         {
-            return 0;
+            return false;
         }
     }
 
     t = (isRayOriginInsideBox ? tmax : tmin);
-    return 1;
+    return true;
 }
 
-int AZ::Intersect::IntersectRayObb(const Vector3& rayOrigin, const Vector3& rayDir, const Obb& obb, float& t)
+bool AZ::Intersect::IntersectRayObb(const Vector3& rayOrigin, const Vector3& rayDir, const Obb& obb, float& t)
 {
     return AZ::Intersect::IntersectRayBox(rayOrigin, rayDir, obb.GetPosition(),
         obb.GetAxisX(), obb.GetAxisY(), obb.GetAxisZ(),
@@ -1166,7 +1166,7 @@ int AZ::Intersect::IntersectRayObb(const Vector3& rayOrigin, const Vector3& rayD
 // IntersectSegmentCylinder
 // [10/21/2009]
 //=========================================================================
-int
+CylinderIsectTypes
 AZ::Intersect::IntersectSegmentCylinder(
     const Vector3& sa, const Vector3& dir, const Vector3& p, const Vector3& q, const float r, float& t)
 {
@@ -1225,7 +1225,7 @@ AZ::Intersect::IntersectSegmentCylinder(
         return RR_ISECT_RAY_CYL_NONE;                         // No real roots; no intersection
     }
     t = (-b - Sqrt(discr)) / a;
-    int result = RR_ISECT_RAY_CYL_PQ; // default along the PQ segment
+    CylinderIsectTypes result = RR_ISECT_RAY_CYL_PQ; // default along the PQ segment
 
     if (md + t * nd < 0.0f)
     {
@@ -1294,7 +1294,7 @@ AZ::Intersect::IntersectSegmentCylinder(
 // IntersectSegmentCapsule
 // [10/21/2009]
 //=========================================================================
-int
+CapsuleIsectTypes
 AZ::Intersect::IntersectSegmentCapsule(const Vector3& sa, const Vector3& dir, const Vector3& p, const Vector3& q, const float r, float& t)
 {
     int result = IntersectSegmentCylinder(sa, dir, p, q, r, t);
@@ -1361,13 +1361,13 @@ AZ::Intersect::IntersectSegmentCapsule(const Vector3& sa, const Vector3& dir, co
 // IntersectSegmentPolyhedron
 // [10/21/2009]
 //=========================================================================
-int
+bool
 AZ::Intersect::IntersectSegmentPolyhedron(
-    const Vector3& sa, const Vector3& sBA, const Plane p[], int numPlanes,
+    const Vector3& sa, const Vector3& dir, const Plane p[], int numPlanes,
     float& tfirst, float& tlast, int& iFirstPlane, int& iLastPlane)
 {
     // Compute direction vector for the segment
-    Vector3 d = /*b - a*/ sBA;
+    Vector3 d = /*b - a*/ dir;
     // Set initial interval to being the whole segment. For a ray, tlast should be
     // set to +RR_FLT_MAX. For a line, additionally tfirst should be set to -RR_FLT_MAX
     tfirst = 0.0f;
@@ -1388,7 +1388,7 @@ AZ::Intersect::IntersectSegmentPolyhedron(
             // If so, return "no intersection" if segment lies outside plane
             if (dist < 0.0f)
             {
-                return 0;
+                return false;
             }
         }
         else
@@ -1417,7 +1417,7 @@ AZ::Intersect::IntersectSegmentPolyhedron(
             // Exit with "no intersection" if intersection becomes empty
             if (tfirst > tlast)
             {
-                return 0;
+                return false;
             }
         }
     }
@@ -1425,11 +1425,11 @@ AZ::Intersect::IntersectSegmentPolyhedron(
     //DBG_Assert(iFirstPlane!=-1&&iLastPlane!=-1,("We have some bad border case to have only one plane, fix this function!"));
     if (iFirstPlane == -1 && iLastPlane == -1)
     {
-        return 0;
+        return false;
     }
 
     // A nonzero logical intersection, so the segment intersects the polyhedron
-    return 1;
+    return true;
 }
 
 //=========================================================================
@@ -1442,7 +1442,7 @@ AZ::Intersect::ClosestSegmentSegment(
     const Vector3& segment2Start, const Vector3& segment2End,
     float& segment1Proportion, float& segment2Proportion, 
     Vector3& closestPointSegment1, Vector3& closestPointSegment2,
-    float epsilon /*= 1e-4f*/ )
+    float epsilon)
 {
     const Vector3 segment1 = segment1End - segment1Start;
     const Vector3 segment2 = segment2End - segment2Start;
diff --git a/Code/Framework/AzCore/AzCore/Math/IntersectSegment.h b/Code/Framework/AzCore/AzCore/Math/IntersectSegment.h
index df3d5e10fb..523069987f 100644
--- a/Code/Framework/AzCore/AzCore/Math/IntersectSegment.h
+++ b/Code/Framework/AzCore/AzCore/Math/IntersectSegment.h
@@ -5,363 +5,398 @@
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
-#ifndef AZCORE_MATH_SEGMENT_INTERSECTION_H
-#define AZCORE_MATH_SEGMENT_INTERSECTION_H
+#pragma once
 
-#include <AzCore/Math/Vector3.h>
 #include <AzCore/Math/Aabb.h>
 #include <AzCore/Math/Obb.h>
 #include <AzCore/Math/Plane.h>
-
-/// \file isect_segment.h
+#include <AzCore/Math/Vector3.h>
 
 namespace AZ
 {
     namespace Intersect
     {
         //! LineToPointDistanceTime computes the time of the shortest distance from point 'p' to segment (s1,s2).
-        //! To calculate the point of intersection:
-        //! P = s1 + u (s2 - s1)
-        //! @param s1 segment start point
-        //! @param s2 segment end point
-        //! @param p point to find the closest time to.
-        //! @return time (on the segment) for the shortest distance from 'p' to (s1,s2)  [0.0f (s1),1.0f (s2)]
-        inline float LineToPointDistanceTime(const Vector3& s1, const Vector3& s21, const Vector3& p)
-        {
-            // so u = (p.x - s1.x)*(s2.x - s1.x) + (p.y - s1.y)*(s2.y - s1.y) + (p.z-s1.z)*(s2.z-s1.z) /  |s2-s1|^2
-            return s21.Dot(p - s1) / s21.Dot(s21);
-        }
+        //! To calculate the point of intersection: P = s1 + u (s2 - s1)
+        //! @param s1 Segment start point.
+        //! @param s2 Segment end point.
+        //! @param p Point to find the closest time to.
+        //! @return Time (on the segment) for the shortest distance from 'p' to (s1,s2)  [0.0f (s1),1.0f (s2)]
+        float LineToPointDistanceTime(const Vector3& s1, const Vector3& s21, const Vector3& p);
 
         //! LineToPointDistance computes the closest point to 'p' from a segment (s1,s2).
-        //! @param s1 segment start point
-        //! @param s2 segment end point
-        //! @param p point to find the closest time to.
-        //! @param u time (on the segment) for the shortest distance from 'p' to (s1,s2)  [0.0f (s1),1.0f (s2)]
-        //! @return the closest point
-        inline Vector3 LineToPointDistance(const Vector3& s1, const Vector3& s2, const Vector3& p, float& u)
-        {
-            const Vector3 s21 = s2 - s1;
-            // we assume seg1 and seg2 are NOT coincident
-            AZ_MATH_ASSERT(!s21.IsClose(Vector3(0.0f), 1e-4f), "OK we agreed that we will pass valid segments! (s1 != s2)");
-
-            u = LineToPointDistanceTime(s1, s21, p);
-
-            return s1 + u * s21;
-        }
+        //! @param s1 Segment start point
+        //! @param s2 Segment end point
+        //! @param p Point to find the closest time to.
+        //! @param u Time (on the segment) for the shortest distance from 'p' to (s1,s2)  [0.0f (s1),1.0f (s2)]
+        //! @return The closest point
+        Vector3 LineToPointDistance(const Vector3& s1, const Vector3& s2, const Vector3& p, float& u);
 
         //! Given segment pq and triangle abc (CCW), returns whether segment intersects
         //! triangle and if so, also returns the barycentric coordinates (u,v,w)
         //! of the intersection point.
-        //! @param p segment start point
-        //! @param q segment end point
-        //! @param a triangle point 1
-        //! @param b triangle point 2
-        //! @param c triangle point 3
-        //! @param normal at the intersection point.
-        //! @param t time of intersection along the segment [0.0 (p), 1.0 (q)]
-        //! @return 1 if the segment intersects the triangle otherwise 0
-        int IntersectSegmentTriangleCCW(
-            const Vector3& p, const Vector3& q, const Vector3& a, const Vector3& b, const Vector3& c,
-            /*float &u, float &v, float &w,*/ Vector3& normal, float& t);
+        //! @param p Segment start point.
+        //! @param q Segment end point.
+        //! @param a Triangle point 1.
+        //! @param b Triangle point 2.
+        //! @param c Triangle point 3.
+        //! @param normal At the intersection point.
+        //! @param t Time of intersection along the segment [0.0 (p), 1.0 (q)].
+        //! @return true if the segments intersects the triangle otherwise false.
+        bool IntersectSegmentTriangleCCW(
+            const Vector3& p, const Vector3& q, const Vector3& a, const Vector3& b, const Vector3& c, Vector3& normal, float& t);
 
         //! Same as \ref IntersectSegmentTriangleCCW without respecting the triangle (a,b,c) vertex order (double sided).
-        int IntersectSegmentTriangle(
-            const Vector3& p, const Vector3& q, const Vector3& a, const Vector3& b, const Vector3& c,
-            /*float &u, float &v, float &w,*/ Vector3& normal, float& t);
+        //! @param p Segment start point.
+        //! @param q Segment end point.
+        //! @param a Triangle point 1.
+        //! @param b Triangle point 2.
+        //! @param c Triangle point 3.
+        //! @param normal At the intersection point.
+        //! @param t Time of intersection along the segment [0.0 (p), 1.0 (q)].
+        //! @return True if the segments intersects the triangle otherwise false.
+        bool IntersectSegmentTriangle(
+            const Vector3& p, const Vector3& q, const Vector3& a, const Vector3& b, const Vector3& c, Vector3& normal, float& t);
 
         //! Ray aabb intersection result types.
-        enum RayAABBIsectTypes
+        enum RayAABBIsectTypes : AZ::s32
         {
-            ISECT_RAY_AABB_NONE = 0,    ///< no intersection
-            ISECT_RAY_AABB_SA_INSIDE,   ///< the ray starts inside the aabb
-            ISECT_RAY_AABB_ISECT,       ///< intersects along the PQ segment
+            ISECT_RAY_AABB_NONE = 0, ///< no intersection
+            ISECT_RAY_AABB_SA_INSIDE, ///< the ray starts inside the aabb
+            ISECT_RAY_AABB_ISECT, ///< intersects along the PQ segment
         };
 
         //! Intersect ray R(t) = rayStart + t*d against AABB a. When intersecting,
         //! return intersection distance tmin and point q of intersection.
-        //! @param rayStart ray starting point
-        //! @param dir ray direction and length (dir = rayEnd - rayStart)
-        //! @param dirRCP 1/dir (reciprocal direction - we cache this result very often so we don't need to compute it multiple times, otherwise just use dir.GetReciprocal())
+        //! @param rayStart Ray starting point
+        //! @param dir Ray direction and length (dir = rayEnd - rayStart)
+        //! @param dirRCP 1/dir (reciprocal direction - we cache this result very often so we don't need to compute it multiple times,
+        //! otherwise just use dir.GetReciprocal())
         //! @param aabb Axis aligned bounding box to intersect against
-        //! @param tStart time on ray of the first intersection [0,1] or 0 if the ray starts inside the aabb - check the return value
-        //! @param tEnd time of the of the second intersection [0,1] (it can be > 1 if intersects after the rayEnd)
-        //! @param startNormal normal at the start point.
+        //! @param tStart Time on ray of the first intersection [0,1] or 0 if the ray starts inside the aabb - check the return value
+        //! @param tEnd Time of the of the second intersection [0,1] (it can be > 1 if intersects after the rayEnd)
+        //! @param startNormal Normal at the start point.
         //! @return \ref RayAABBIsectTypes
-        int IntersectRayAABB(
-            const Vector3& rayStart, const Vector3& dir, const Vector3& dirRCP, const Aabb& aabb,
-            float& tStart, float& tEnd, Vector3& startNormal /*, Vector3& inter*/);
+        RayAABBIsectTypes IntersectRayAABB(
+            const Vector3& rayStart,
+            const Vector3& dir,
+            const Vector3& dirRCP,
+            const Aabb& aabb,
+            float& tStart,
+            float& tEnd,
+            Vector3& startNormal);
 
         //! Intersect ray against AABB.
-        //! @param rayStart ray starting point.
-        //! @param dir ray reciprocal direction.
+        //! @param rayStart Ray starting point.
+        //! @param dir Ray reciprocal direction.
         //! @param aabb Axis aligned bounding box to intersect against.
-        //! @param start length on ray of the first intersection.
-        //! @param end length of the of the second intersection.
-        //! @return \ref RayAABBIsectTypes In this faster version than IntersectRayAABB we return only ISECT_RAY_AABB_NONE and ISECT_RAY_AABB_ISECT.
-        //! You can check yourself for that case.
-        int IntersectRayAABB2(
-            const Vector3& rayStart, const Vector3& dirRCP, const Aabb& aabb,
-            float& start, float& end);
+        //! @param start Length on ray of the first intersection.
+        //! @param end Length of the of the second intersection.
+        //! @return \ref RayAABBIsectTypes In this faster version than IntersectRayAABB we return only ISECT_RAY_AABB_NONE and
+        //! ISECT_RAY_AABB_ISECT. You can check yourself for that case.
+        RayAABBIsectTypes IntersectRayAABB2(const Vector3& rayStart, const Vector3& dirRCP, const Aabb& aabb, float& start, float& end);
 
         //! Clip a ray to an aabb. return true if ray was clipped. The ray
         //! can be inside so don't use the result if the ray intersect the box.
-        inline int ClipRayWithAabb(
-            const Aabb& aabb, Vector3& rayStart, Vector3& rayEnd, float& tClipStart, float& tClipEnd)
-        {
-            Vector3 startNormal;
-            float tStart, tEnd;
-            Vector3 dirLen = rayEnd - rayStart;
-            if (IntersectRayAABB(rayStart, dirLen, dirLen.GetReciprocal(), aabb, tStart, tEnd, startNormal) != ISECT_RAY_AABB_NONE)
-            {
-                // clip the ray with the box
-                if (tStart > 0.0f)
-                {
-                    rayStart = rayStart + tStart * dirLen;
-                    tClipStart = tStart;
-                }
-                if (tEnd < 1.0f)
-                {
-                    rayEnd = rayStart + tEnd * dirLen;
-                    tClipEnd = tEnd;
-                }
-
-                return 1;
-            }
-
-            return 0;
-        }
+        //! @param aabb Bounds to test against.
+        //! @param rayStart The start of the ray.
+        //! @param rayEnd The end of the ray.
+        //! @param[out] tClipStart The proportion where the ray enters the \ref Aabb.
+        //! @param[out] tClipEnd The proportion where the ray exits the \ref Aabb.
+        //! @return True if the ray was clipped, otherwise false.
+        bool ClipRayWithAabb(const Aabb& aabb, Vector3& rayStart, Vector3& rayEnd, float& tClipStart, float& tClipEnd);
 
         //! Test segment and aabb where the segment is defined by midpoint
         //! midPoint = (p1-p0) * 0.5f and half vector halfVector = p1 - midPoint.
         //! the aabb is at the origin and defined by half extents only.
-        //! @return 1 if the intersect, otherwise 0.
-        int TestSegmentAABBOrigin(const Vector3& midPoint, const Vector3& halfVector, const Vector3& aabbExtends);
+        //! @param midPoint Midpoint of a line segment.
+        //! @param halfVector Half vector of an aabb.
+        //! @param aabbExtends The extends of a bounded box.
+        //! @return True if the segment and AABB intersect, otherwise false
+        bool TestSegmentAABBOrigin(const Vector3& midPoint, const Vector3& halfVector, const Vector3& aabbExtends);
 
-        //! Test if segment specified by points p0 and p1 intersects AABB. \ref TestSegmentAABBOrigin
-        //! @return 1 if the segment and AABB intersect, otherwise 0.
-        inline int TestSegmentAABB(const Vector3& p0, const Vector3& p1, const Aabb& aabb)
-        {
-            Vector3 e = aabb.GetExtents();
-            Vector3 d = p1 - p0;
-            Vector3 m = p0 + p1 - aabb.GetMin() - aabb.GetMax();
-
-            return TestSegmentAABBOrigin(m, d, e);
-        }
+        //! Test if segment specified by points p0 and p1 intersects AABB. \ref TestSegmentAABBOrigin.
+        //! @param p0 Segment start point.
+        //! @param p1 Segment end point.
+        //! @param aabb Bounded box to test against.
+        //! @return True if the segment and AABB intersect, otherwise false.
+        bool TestSegmentAABB(const Vector3& p0, const Vector3& p1, const Aabb& aabb);
 
         //! Ray sphere intersection result types.
-        enum SphereIsectTypes
+        enum SphereIsectTypes : AZ::s32
         {
-            ISECT_RAY_SPHERE_SA_INSIDE = -1, // the ray starts inside the cylinder
-            ISECT_RAY_SPHERE_NONE,      // no intersection
-            ISECT_RAY_SPHERE_ISECT,     // along the PQ segment
+            ISECT_RAY_SPHERE_SA_INSIDE = -1, //!< The ray starts inside the cylinder
+            ISECT_RAY_SPHERE_NONE, //!< No intersection
+            ISECT_RAY_SPHERE_ISECT, //!< Along the PQ segment
         };
 
         //! IntersectRaySphereOrigin
         //! return time t>=0  but not limited, so if you check a segment make sure
-        //! t <= segmentLen
-        //! @param rayStart ray start point
+        //! t <= segmentLen.
+        //! @param rayStart ray start point.
         //! @param rayDirNormalized ray direction normalized.
-        //! @param shereRadius sphere radius
+        //! @param shereRadius Radius of sphere at origin.
         //! @param time of closest intersection [0,+INF] in relation to the normalized direction.
-        //! @return \ref SphereIsectTypes
-        AZ_INLINE int IntersectRaySphereOrigin(
-            const Vector3& rayStart, const Vector3& rayDirNormalized,
-            const float sphereRadius, float& t)
-        {
-            Vector3 m = rayStart;
-            float b = m.Dot(rayDirNormalized);
-            float c = m.Dot(m) - sphereRadius * sphereRadius;
-
-            // Exit if r's origin outside s (c > 0)and r pointing away from s (b > 0)
-            if (c > 0.0f && b > 0.0f)
-            {
-                return ISECT_RAY_SPHERE_NONE;
-            }
-            float discr = b * b - c;
-            // A negative discriminant corresponds to ray missing sphere
-            if (discr < 0.0f)
-            {
-                return ISECT_RAY_SPHERE_NONE;
-            }
-
-            // Ray now found to intersect sphere, compute smallest t value of intersection
-            t = -b - Sqrt(discr);
-
-            // If t is negative, ray started inside sphere so clamp t to zero
-            if (t < 0.0f)
-            {
-                //  t = 0.0f;
-                return ISECT_RAY_SPHERE_SA_INSIDE; // no hit if inside
-            }
-            //q = p + t * d;
-            return ISECT_RAY_SPHERE_ISECT;
-        }
+        //! @return \ref SphereIsectTypes.
+        SphereIsectTypes IntersectRaySphereOrigin(
+            const Vector3& rayStart, const Vector3& rayDirNormalized, const float sphereRadius, float& t);
 
         //! Intersect ray (rayStart,rayDirNormalized) and sphere (sphereCenter,sphereRadius) \ref IntersectRaySphereOrigin
-        inline int IntersectRaySphere(
-            const Vector3& rayStart, const Vector3& rayDirNormalized, const Vector3& sphereCenter, const float sphereRadius, float& t)
-        {
-            return IntersectRaySphereOrigin(rayStart - sphereCenter, rayDirNormalized, sphereRadius, t);
-        }
+        //! @param rayStart The start of the ray.
+        //! @param rayDirNormalized The direction of the ray normalized.
+        //! @param sphereCenter The center of the sphere.
+        //! @param sphereRadius Radius of the sphere.
+        //! @param[out] t Coefficient in the ray's explicit equation from which an 
+        //! intersecting point is calculated as "rayOrigin + t1 * rayDir".
+        //! @return SphereIsectTypes
+        SphereIsectTypes IntersectRaySphere(
+            const Vector3& rayStart, const Vector3& rayDirNormalized, const Vector3& sphereCenter, const float sphereRadius, float& t);
 
-        //! @param      rayOrigin      The origin of the ray to test.
-        //! @param      rayDir         The direction of the ray to test. It has to be unit length.
-        //! @param      diskCenter     Center point of the disk
-        //! @param      diskRadius     Radius of the disk
-        //! @param      diskNormal     A normal perpendicular to the disk
-        //! @param[out] t              If returning 1 (indicating a hit), this contains distance from rayOrigin along the normalized rayDir that the hit occured at.
-        //! @return                    The number of intersecting points.
-        int IntersectRayDisk(
-            const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& diskCenter, const float diskRadius, const AZ::Vector3& diskNormal, float& t);
+        //! Intersect ray (rayStarty, rayDirNormalized) and disk (center, radius, normal)
+        //! @param rayOrigin The origin of the ray to test.
+        //! @param rayDir The direction of the ray to test. It has to be unit length.
+        //! @param diskCenter Center point of the disk.
+        //! @param diskRadius Radius of the disk.
+        //! @param diskNormal A normal perpendicular to the disk.
+        //! @param[out] t If returning 1 (indicating a hit), this contains distance from rayOrigin along the normalized rayDir
+        //! that the hit occured at.
+        //! @return False if not interesecting and true if intersecting
+        bool IntersectRayDisk(
+            const Vector3& rayOrigin,
+            const Vector3& rayDir,
+            const Vector3& diskCenter,
+            const float diskRadius,
+            const AZ::Vector3& diskNormal,
+            float& t);
 
         //! If there is only one intersecting point, the coefficient is stored in \ref t1.
-        //! @param      rayOrigin      The origin of the ray to test.
-        //! @param      rayDir         The direction of the ray to test. It has to be unit length.
-        //! @param      cylinderEnd1   The center of the circle on one end of the cylinder.
-        //! @param      cylinderDir    The direction pointing from \ref cylinderEnd1 to the other end of the cylinder. It has to be unit length.
-        //! @param      cylinderHeight The distance between two centers of the circles on two ends of the cylinder respectively.
-        //! @param[out] t1             A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t1 * rayDir".
-        //! @param[out] t2             A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t2 * rayDir".
-        //! @return                    The number of intersecting points.
+        //! @param rayOrigin The origin of the ray to test.
+        //! @param rayDir The direction of the ray to test. It has to be unit length.
+        //! @param cylinderEnd1 The center of the circle on one end of the cylinder.
+        //! @param cylinderDir The direction pointing from \ref cylinderEnd1 to the other end of the cylinder. It has to be unit length.
+        //! @param cylinderHeight The distance between two centers of the circles on two ends of the cylinder respectively.
+        //! @param[out] t1 A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t1 * rayDir".
+        //! @param[out] t2 A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t2 * rayDir".
+        //! @return The number of intersecting points.
         int IntersectRayCappedCylinder(
-            const Vector3& rayOrigin, const Vector3& rayDir, 
-            const Vector3& cylinderEnd1, const Vector3& cylinderDir, float cylinderHeight, float cylinderRadius,
-            float& t1, float& t2);
+            const Vector3& rayOrigin,
+            const Vector3& rayDir,
+            const Vector3& cylinderEnd1,
+            const Vector3& cylinderDir,
+            float cylinderHeight,
+            float cylinderRadius,
+            float& t1,
+            float& t2);
 
         //! If there is only one intersecting point, the coefficient is stored in \ref t1.
-        //! @param      rayOrigin      The origin of the ray to test.
-        //! @param      rayDir         The direction of the ray to test. It has to be unit length.
-        //! @param      coneApex       The apex of the cone.
-        //! @param      coneDir        The unit-length direction from the apex to the base. 
-        //! @param      coneHeight     The height of the cone, from the apex to the base.
-        //! @param      coneBaseRadius The radius of the cone base circle.
-        //! @param[out] t1             A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t1 * rayDir".
-        //! @param[out] t2             A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t2 * rayDir".
-        //! @return                    The number of intersecting points.
+        //! @param rayOrigin The origin of the ray to test.
+        //! @param rayDir The direction of the ray to test. It has to be unit length.
+        //! @param coneApex The apex of the cone.
+        //! @param coneDir The unit-length direction from the apex to the base.
+        //! @param coneHeight The height of the cone, from the apex to the base.
+        //! @param coneBaseRadius The radius of the cone base circle.
+        //! @param[out] t1 A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t1 * rayDir".
+        //! @param[out] t2 A possible coefficient in the ray's explicit equation from which an intersecting point is calculated as "rayOrigin + t2 * rayDir".
+        //! @return The number of intersecting points.
         int IntersectRayCone(
-            const Vector3& rayOrigin, const Vector3& rayDir,
-            const Vector3& coneApex, const Vector3& coneDir, float coneHeight, float coneBaseRadius,
-            float& t1, float& t2);
+            const Vector3& rayOrigin,
+            const Vector3& rayDir,
+            const Vector3& coneApex,
+            const Vector3& coneDir,
+            float coneHeight,
+            float coneBaseRadius,
+            float& t1,
+            float& t2);
 
         //! Test intersection between a ray and a plane in 3D.
-        //! @param rayOrigin    The origin of the ray to test intersection with.
-        //! @param rayDir       The direction of the ray to test intersection with.
-        //! @param planePos     A point on the plane to test intersection with.
-        //! @param planeNormal  The normal of the plane to test intersection with.
-        //! @param t[out]       The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
-        //! @return             The number of intersection point.
+        //! @param rayOrigin The origin of the ray to test intersection with.
+        //! @param rayDir The direction of the ray to test intersection with.
+        //! @param planePos A point on the plane to test intersection with.
+        //! @param planeNormal The normal of the plane to test intersection with.
+        //! @param[out] t The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
+        //! @return The number of intersection point.
         int IntersectRayPlane(
-            const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& planePos,
-            const Vector3& planeNormal, float& t);
+            const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& planePos, const Vector3& planeNormal, float& t);
 
         //! Test intersection between a ray and a two-sided quadrilateral defined by four points in 3D.
-        //! The four points that define the quadrilateral could be passed in with either counter clock-wise 
+        //! The four points that define the quadrilateral could be passed in with either counter clock-wise
         //! winding or clock-wise winding.
-        //! @param rayOrigin  The origin of the ray to test intersection with.
-        //! @param rayDir     The direction of the ray to test intersection with.
-        //! @param vertexA    One of the four points that define the quadrilateral.
-        //! @param vertexB    One of the four points that define the quadrilateral.
-        //! @param vertexC    One of the four points that define the quadrilateral.
-        //! @param vertexD    One of the four points that define the quadrilateral.
-        //! @param t[out]     The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
-        //! @return           The number of intersection point.
+        //! @param rayOrigin The origin of the ray to test intersection with.
+        //! @param rayDir The direction of the ray to test intersection with.
+        //! @param vertexA One of the four points that define the quadrilateral.
+        //! @param vertexB One of the four points that define the quadrilateral.
+        //! @param vertexC One of the four points that define the quadrilateral.
+        //! @param vertexD One of the four points that define the quadrilateral.
+        //! @param[out] t The coefficient in the ray's explicit equation from which the 
+        //! intersecting point is calculated as "rayOrigin + t * rayDirection".
+        //! @return The number of intersection point.
         int IntersectRayQuad(
-            const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& vertexA,
-            const Vector3& vertexB, const Vector3& vertexC, const Vector3& vertexD, float& t);
+            const Vector3& rayOrigin,
+            const Vector3& rayDir,
+            const Vector3& vertexA,
+            const Vector3& vertexB,
+            const Vector3& vertexC,
+            const Vector3& vertexD,
+            float& t);
 
-        //! Test intersection between a ray and an oriented box in 3D.
-        //! @param rayOrigin       The origin of the ray to test intersection with.
-        //! @param rayDir          The direction of the ray to test intersection with.
-        //! @param boxCenter       The position of the center of the box.
-        //! @param boxAxis1        An axis along one dimension of the oriented box.
-        //! @param boxAxis2        An axis along one dimension of the oriented box.
-        //! @param boxAxis3        An axis along one dimension of the oriented box.
-        //! @param boxHalfExtent1  The half extent of the box on the dimension of \ref boxAxis1.
-        //! @param boxHalfExtent2  The half extent of the box on the dimension of \ref boxAxis2.
-        //! @param boxHalfExtent3  The half extent of the box on the dimension of \ref boxAxis3.
-        //! @param t[out]     The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
-        //! @return           1 if there is an intersection, 0 otherwise.
-        int IntersectRayBox(
-            const Vector3& rayOrigin, const Vector3& rayDir, const Vector3& boxCenter, const Vector3& boxAxis1,
-            const Vector3& boxAxis2, const Vector3& boxAxis3, float boxHalfExtent1, float boxHalfExtent2, float boxHalfExtent3,
+        //!  Test intersection between a ray and an oriented box in 3D.
+        //! @param rayOrigin The origin of the ray to test intersection with.
+        //! @param rayDir The direction of the ray to test intersection with.
+        //! @param boxCenter The position of the center of the box.
+        //! @param boxAxis1 An axis along one dimension of the oriented box.
+        //! @param boxAxis2 An axis along one dimension of the oriented box.
+        //! @param boxAxis3 An axis along one dimension of the oriented box.
+        //! @param boxHalfExtent1 The half extent of the box on the dimension of \ref boxAxis1.
+        //! @param boxHalfExtent2 The half extent of the box on the dimension of \ref boxAxis2.
+        //! @param boxHalfExtent3 The half extent of the box on the dimension of \ref boxAxis3.
+        //! @param[out] t The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
+        //! @return true if there is an intersection, false otherwise.
+        bool IntersectRayBox(
+            const Vector3& rayOrigin,
+            const Vector3& rayDir,
+            const Vector3& boxCenter,
+            const Vector3& boxAxis1,
+            const Vector3& boxAxis2,
+            const Vector3& boxAxis3,
+            float boxHalfExtent1,
+            float boxHalfExtent2,
+            float boxHalfExtent3,
             float& t);
 
         //! Test intersection between a ray and an OBB.
         //! @param rayOrigin The origin of the ray to test intersection with.
         //! @param rayDir The direction of the ray to test intersection with.
         //! @param obb The OBB to test for intersection with the ray.
-        //! @param t[out] The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
-        //! @return 1 if there is an intersection, 0 otherwise.
-        int IntersectRayObb(const Vector3& rayOrigin, const Vector3& rayDir, const Obb& obb, float& t);
+        //! @param[out] t The coefficient in the ray's explicit equation from which the intersecting point is calculated as "rayOrigin + t * rayDirection".
+        //! @return True if there is an intersection, false otherwise.
+        bool IntersectRayObb(const Vector3& rayOrigin, const Vector3& rayDir, const Obb& obb, float& t);
 
         //! Ray cylinder intersection types.
-        enum CylinderIsectTypes
+        enum CylinderIsectTypes : AZ::s32
         {
-            RR_ISECT_RAY_CYL_SA_INSIDE = -1, // the ray starts inside the cylinder
-            RR_ISECT_RAY_CYL_NONE,  // no intersection
-            RR_ISECT_RAY_CYL_PQ,        // along the PQ segment
-            RR_ISECT_RAY_CYL_P_SIDE,    // on the P side
-            RR_ISECT_RAY_CYL_Q_SIDE,    // on the Q side
+            RR_ISECT_RAY_CYL_SA_INSIDE = -1, //!< the ray starts inside the cylinder
+            RR_ISECT_RAY_CYL_NONE, //!< no intersection
+            RR_ISECT_RAY_CYL_PQ, //!< along the PQ segment
+            RR_ISECT_RAY_CYL_P_SIDE, //!< on the P side
+            RR_ISECT_RAY_CYL_Q_SIDE, //!< on the Q side
         };
 
+        //! Reference: Real-Time Collision Detection - 5.3.7 Intersecting Ray or Segment Against Cylinder
         //! Intersect segment S(t)=sa+t(dir), 0<=t<=1 against cylinder specified by p, q and r.
-        int IntersectSegmentCylinder(
-            const Vector3& sa, const Vector3& dir, const Vector3& p, const Vector3& q,
-            const float r, float& t);
+        //! @param sa The initial point.
+        //! @param dir Magnitude and direction for sa.
+        //! @param p Center point of side 1 cylinder.
+        //! @param q Center point of side 2 cylinder.
+        //! @param r Radius of cylinder.
+        //! @param[out] t Proporition along line segment.
+        //! @return CylinderIsectTypes
+        CylinderIsectTypes IntersectSegmentCylinder(
+            const Vector3& sa, const Vector3& dir, const Vector3& p, const Vector3& q, const float r, float& t);
 
         //! Capsule ray intersect types.
         enum CapsuleIsectTypes
         {
-            ISECT_RAY_CAPSULE_SA_INSIDE = -1, // the ray starts inside the cylinder
-            ISECT_RAY_CAPSULE_NONE, // no intersection
-            ISECT_RAY_CAPSULE_PQ,       // along the PQ segment
-            ISECT_RAY_CAPSULE_P_SIDE,   // on the P side
-            ISECT_RAY_CAPSULE_Q_SIDE,   // on the Q side
+            ISECT_RAY_CAPSULE_SA_INSIDE = -1, //!< The ray starts inside the cylinder
+            ISECT_RAY_CAPSULE_NONE, //!< No intersection
+            ISECT_RAY_CAPSULE_PQ, //!< Along the PQ segment
+            ISECT_RAY_CAPSULE_P_SIDE, //!< On the P side
+            ISECT_RAY_CAPSULE_Q_SIDE, //!< On the Q side
         };
 
         //! This is a quick implementation of segment capsule based on segment cylinder \ref IntersectSegmentCylinder
         //! segment sphere intersection. We can optimize it a lot once we fix the ray
         //! cylinder intersection.
-        int IntersectSegmentCapsule(
-            const Vector3& sa, const Vector3& dir, const Vector3& p,
-            const Vector3& q, const float r, float& t);
+        //! @param sa The beginning of the line segment.
+        //! @param dir The direction and length of the segment.
+        //! @param p Center point of side 1 capsule.
+        //! @param q Center point of side 1 capsule.
+        //! @param r The radius of the capsule.
+        //! @param[out] t Proporition along line segment.
+        //! @return CapsuleIsectTypes
+        CapsuleIsectTypes IntersectSegmentCapsule(
+            const Vector3& sa, const Vector3& dir, const Vector3& p, const Vector3& q, const float r, float& t);
 
         //! Intersect segment S(t)=A+t(B-A), 0<=t<=1 against convex polyhedron specified
         //! by the n halfspaces defined by the planes p[]. On exit tfirst and tlast
         //! define the intersection, if any.
-        int IntersectSegmentPolyhedron(
-            const Vector3& sa, const Vector3& sBA, const Plane p[], int numPlanes,
-            float& tfirst, float& tlast, int& iFirstPlane, int& iLastPlane);
+        //! @param sa The beggining of the line segment.
+        //! @param dir The direction and length of the segment.
+        //! @param p Planes that compose a convex ponvex polyhedron.
+        //! @param numPlanes number of planes.
+        //! @param[out] tfirst Proportion along the line segment where the line enters.
+        //! @param[out] tlast Proportion along the line segment where the line exits.
+        //! @param[out] iFirstPlane The plane where the line enters.
+        //! @param[out] iLastPlane The plane where the line exits.
+        //! @return True if intersects else false.
+        bool IntersectSegmentPolyhedron(
+            const Vector3& sa,
+            const Vector3& dir,
+            const Plane p[],
+            int numPlanes,
+            float& tfirst,
+            float& tlast,
+            int& iFirstPlane,
+            int& iLastPlane);
 
         //! Calculate the line segment closestPointSegment1<->closestPointSegment2 that is the shortest route between
-        //! two segments segment1Start<->segment1End and segment2Start<->segment2End. Also calculate the values of segment1Proportion and segment2Proportion where
-        //! closestPointSegment1 = segment1Start + (segment1Proportion * (segment1End - segment1Start))
+        //! two segments segment1Start<->segment1End and segment2Start<->segment2End. Also calculate the values of segment1Proportion and
+        //! segment2Proportion where closestPointSegment1 = segment1Start + (segment1Proportion * (segment1End - segment1Start))
         //! closestPointSegment2 = segment2Start + (segment2Proportion * (segment2End - segment2Start))
         //! If segments are parallel returns a solution.
+        //! @param segment1Start Start of segment 1.
+        //! @param segment1End End of segment 1.
+        //! @param segment2Start Start of segment 2.
+        //! @param segment2End End of segment 2.
+        //! @param[out] segment1Proportion The proporition along segment 1 [0..1]
+        //! @param[out] segment2Proportion The proporition along segment 2 [0..1]
+        //! @param[out] closestPointSegment1 Closest point on segment 1.
+        //! @param[out] closestPointSegment2 Closest point on segment 2.
+        //! @param epsilon The minimum square distance where a line segment can be treated as a single point.
         void ClosestSegmentSegment(
-            const Vector3& segment1Start, const Vector3& segment1End, 
-            const Vector3& segment2Start, const Vector3& segment2End, 
-            float& segment1Proportion, float& segment2Proportion, 
-            Vector3& closestPointSegment1, Vector3& closestPointSegment2,
+            const Vector3& segment1Start,
+            const Vector3& segment1End,
+            const Vector3& segment2Start,
+            const Vector3& segment2End,
+            float& segment1Proportion,
+            float& segment2Proportion,
+            Vector3& closestPointSegment1,
+            Vector3& closestPointSegment2,
             float epsilon = 1e-4f);
 
         //! Calculate the line segment closestPointSegment1<->closestPointSegment2 that is the shortest route between
         //! two segments segment1Start<->segment1End and segment2Start<->segment2End.
         //! If segments are parallel returns a solution.
+        //! @param segment1Start Start of segment 1.
+        //! @param segment1End End of segment 1.
+        //! @param segment2Start Start of segment 2.
+        //! @param segment2End End of segment 2.
+        //! @param[out] closestPointSegment1 Closest point on segment 1.
+        //! @param[out] closestPointSegment2 Closest point on segment 2.
+        //! @param epsilon The minimum square distance where a line segment can be treated as a single point.
         void ClosestSegmentSegment(
-            const Vector3& segment1Start, const Vector3& segment1End,
-            const Vector3& segment2Start, const Vector3& segment2End,
-            Vector3& closestPointSegment1, Vector3& closestPointSegment2,
+            const Vector3& segment1Start,
+            const Vector3& segment1End,
+            const Vector3& segment2Start,
+            const Vector3& segment2End,
+            Vector3& closestPointSegment1,
+            Vector3& closestPointSegment2,
             float epsilon = 1e-4f);
 
         //! Calculate the point (closestPointOnSegment) that is the closest point on
         //! segment segmentStart/segmentEnd to point. Also calculate the value of proportion where
         //! closestPointOnSegment = segmentStart + (proportion * (segmentEnd - segmentStart))
+        //! @param point The point to test
+        //! @param segmentStart The start of the segment
+        //! @param segmentEnd The end of the segment
+        //! @param[out] proportion The proportion of the segment  L(t) = (end - start) * t
+        //! @param[out] closestPointOnSegment The point along the line segment
         void ClosestPointSegment(
-            const Vector3& point, const Vector3& segmentStart, const Vector3& segmentEnd,
-            float& proportion, Vector3& closestPointOnSegment);
-    }
-}
+            const Vector3& point,
+            const Vector3& segmentStart,
+            const Vector3& segmentEnd,
+            float& proportion,
+            Vector3& closestPointOnSegment);
+    } // namespace Intersect
+} // namespace AZ
 
-#endif // AZCORE_MATH_SEGMENT_INTERSECTION_H
-#pragma once
+#include <AzCore/Math/IntersectSegment.inl>
diff --git a/Code/Framework/AzCore/AzCore/Math/IntersectSegment.inl b/Code/Framework/AzCore/AzCore/Math/IntersectSegment.inl
new file mode 100644
index 0000000000..b570b6a182
--- /dev/null
+++ b/Code/Framework/AzCore/AzCore/Math/IntersectSegment.inl
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+namespace AZ
+{
+    namespace Intersect
+    {
+        AZ_MATH_INLINE bool ClipRayWithAabb(const Aabb& aabb, Vector3& rayStart, Vector3& rayEnd, float& tClipStart, float& tClipEnd)
+        {
+            Vector3 startNormal;
+            float tStart, tEnd;
+            Vector3 dirLen = rayEnd - rayStart;
+            if (IntersectRayAABB(rayStart, dirLen, dirLen.GetReciprocal(), aabb, tStart, tEnd, startNormal) != ISECT_RAY_AABB_NONE)
+            {
+                // clip the ray with the box
+                if (tStart > 0.0f)
+                {
+                    rayStart = rayStart + tStart * dirLen;
+                    tClipStart = tStart;
+                }
+                if (tEnd < 1.0f)
+                {
+                    rayEnd = rayStart + tEnd * dirLen;
+                    tClipEnd = tEnd;
+                }
+
+                return true;
+            }
+
+            return false;
+        }
+
+        AZ_MATH_INLINE SphereIsectTypes
+        IntersectRaySphereOrigin(const Vector3& rayStart, const Vector3& rayDirNormalized, const float sphereRadius, float& t)
+        {
+            Vector3 m = rayStart;
+            float b = m.Dot(rayDirNormalized);
+            float c = m.Dot(m) - sphereRadius * sphereRadius;
+
+            // Exit if r's origin outside s (c > 0)and r pointing away from s (b > 0)
+            if (c > 0.0f && b > 0.0f)
+            {
+                return ISECT_RAY_SPHERE_NONE;
+            }
+            float discr = b * b - c;
+            // A negative discriminant corresponds to ray missing sphere
+            if (discr < 0.0f)
+            {
+                return ISECT_RAY_SPHERE_NONE;
+            }
+
+            // Ray now found to intersect sphere, compute smallest t value of intersection
+            t = -b - Sqrt(discr);
+
+            // If t is negative, ray started inside sphere so clamp t to zero
+            if (t < 0.0f)
+            {
+                //  t = 0.0f;
+                return ISECT_RAY_SPHERE_SA_INSIDE; // no hit if inside
+            }
+            // q = p + t * d;
+            return ISECT_RAY_SPHERE_ISECT;
+        }
+
+        AZ_MATH_INLINE SphereIsectTypes IntersectRaySphere(const Vector3& rayStart, const Vector3& rayDirNormalized, const Vector3& sphereCenter, const float sphereRadius, float& t)
+        {
+            return IntersectRaySphereOrigin(rayStart - sphereCenter, rayDirNormalized, sphereRadius, t);
+        }
+
+        AZ_MATH_INLINE Vector3 LineToPointDistance(const Vector3& s1, const Vector3& s2, const Vector3& p, float& u)
+        {
+            const Vector3 s21 = s2 - s1;
+            // we assume seg1 and seg2 are NOT coincident
+            AZ_MATH_ASSERT(!s21.IsClose(Vector3(0.0f), 1e-4f), "OK we agreed that we will pass valid segments! (s1 != s2)");
+
+            u = LineToPointDistanceTime(s1, s21, p);
+
+            return s1 + u * s21;
+        }
+
+        AZ_MATH_INLINE float LineToPointDistanceTime(const Vector3& s1, const Vector3& s21, const Vector3& p)
+        {
+            // so u = (p.x - s1.x)*(s2.x - s1.x) + (p.y - s1.y)*(s2.y - s1.y) + (p.z-s1.z)*(s2.z-s1.z) /  |s2-s1|^2
+            return s21.Dot(p - s1) / s21.Dot(s21);
+        }
+
+        AZ_MATH_INLINE bool TestSegmentAABB(const Vector3& p0, const Vector3& p1, const Aabb& aabb)
+        {
+            Vector3 e = aabb.GetExtents();
+            Vector3 d = p1 - p0;
+            Vector3 m = p0 + p1 - aabb.GetMin() - aabb.GetMax();
+
+            return TestSegmentAABBOrigin(m, d, e);
+        }
+    } // namespace Intersect
+} // namespace AZ
diff --git a/Code/Framework/AzCore/AzCore/azcore_files.cmake b/Code/Framework/AzCore/AzCore/azcore_files.cmake
index 6675958247..4d95ddf098 100644
--- a/Code/Framework/AzCore/AzCore/azcore_files.cmake
+++ b/Code/Framework/AzCore/AzCore/azcore_files.cmake
@@ -282,6 +282,7 @@ set(FILES
     Math/Internal/VertexContainer.inl
     Math/InterpolationSample.h
     Math/IntersectPoint.h
+    Math/IntersectSegment.inl
     Math/IntersectSegment.cpp
     Math/IntersectSegment.h
     Math/MathIntrinsics.h
diff --git a/Code/Framework/AzFramework/AzFramework/Gem/GemInfo.h b/Code/Framework/AzFramework/AzFramework/Gem/GemInfo.h
index 1f300af770..3435d810fd 100644
--- a/Code/Framework/AzFramework/AzFramework/Gem/GemInfo.h
+++ b/Code/Framework/AzFramework/AzFramework/Gem/GemInfo.h
@@ -29,6 +29,10 @@ namespace AzFramework
         AZStd::vector<AZ::IO::Path> m_absoluteSourcePaths; //!< Where the gem's source path folder are located(as an absolute path)
 
         static constexpr const char* GetGemAssetFolder() { return "Assets"; }
+        static constexpr const char* GetGemRegistryFolder()
+        {
+            return "Registry";
+        }
     };
 
     //! Returns a list of GemInfo of all the gems that are active for the for the specified game project. 
diff --git a/Code/Framework/AzFramework/AzFramework/Input/System/InputSystemComponent.cpp b/Code/Framework/AzFramework/AzFramework/Input/System/InputSystemComponent.cpp
index 33690f2246..14fb7ea5eb 100644
--- a/Code/Framework/AzFramework/AzFramework/Input/System/InputSystemComponent.cpp
+++ b/Code/Framework/AzFramework/AzFramework/Input/System/InputSystemComponent.cpp
@@ -20,6 +20,7 @@
 #include <AzCore/RTTI/BehaviorContext.h>
 #include <AzCore/Serialization/EditContext.h>
 #include <AzCore/Serialization/SerializeContext.h>
+#include <AzCore/Settings/SettingsRegistry.h>
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 namespace AzFramework
@@ -190,6 +191,25 @@ namespace AzFramework
     ////////////////////////////////////////////////////////////////////////////////////////////////
     void InputSystemComponent::Activate()
     {
+        const auto* settingsRegistry = AZ::SettingsRegistry::Get();
+        if (settingsRegistry)
+        {
+            AZ::u64 value = 0;
+            if (settingsRegistry->Get(value, "/O3DE/InputSystem/MouseMovementSampleRateHertz"))
+            {
+                m_mouseMovementSampleRateHertz = aznumeric_caster(value);
+            }
+            if (settingsRegistry->Get(value, "/O3DE/InputSystem/GamepadsEnabled"))
+            {
+                m_gamepadsEnabled = aznumeric_caster(value);
+            }
+            settingsRegistry->Get(m_keyboardEnabled, "/O3DE/InputSystem/KeyboardEnabled");
+            settingsRegistry->Get(m_motionEnabled, "/O3DE/InputSystem/MotionEnabled");
+            settingsRegistry->Get(m_mouseEnabled, "/O3DE/InputSystem/MouseEnabled");
+            settingsRegistry->Get(m_touchEnabled, "/O3DE/InputSystem/TouchEnabled");
+            settingsRegistry->Get(m_virtualKeyboardEnabled, "/O3DE/InputSystem/VirtualKeyboardEnabled");
+        }
+
         // Create all enabled input devices
         CreateEnabledInputDevices();
 
diff --git a/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.cpp b/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.cpp
index 0c879a930f..0856ddeed6 100644
--- a/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.cpp
+++ b/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.cpp
@@ -22,6 +22,7 @@ namespace AzFramework
                 ->Field("terminationTime", &SessionConfig::m_terminationTime)
                 ->Field("creatorId", &SessionConfig::m_creatorId)
                 ->Field("sessionProperties", &SessionConfig::m_sessionProperties)
+                ->Field("matchmakingData", &SessionConfig::m_matchmakingData)
                 ->Field("sessionId", &SessionConfig::m_sessionId)
                 ->Field("sessionName", &SessionConfig::m_sessionName)
                 ->Field("dnsName", &SessionConfig::m_dnsName)
@@ -46,6 +47,8 @@ namespace AzFramework
                         "CreatorId", "A unique identifier for a player or entity creating the session.")
                     ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_sessionProperties,
                         "SessionProperties", "A collection of custom properties for a session.")
+                    ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_matchmakingData,
+                        "MatchmakingData", "The matchmaking process information that was used to create the session.")
                     ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_sessionId,
                         "SessionId", "A unique identifier for the session.")
                     ->DataElement(AZ::Edit::UIHandlers::Default, &AzFramework::SessionConfig::m_sessionName,
diff --git a/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.h b/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.h
index cfd6aa7c8b..45e40c2f29 100644
--- a/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.h
+++ b/Code/Framework/AzFramework/AzFramework/Session/SessionConfig.h
@@ -35,6 +35,9 @@ namespace AzFramework
         
         // A collection of custom properties for a session.
         AZStd::unordered_map<AZStd::string, AZStd::string> m_sessionProperties;
+
+        // The matchmaking process information that was used to create the session.
+        AZStd::string m_matchmakingData;
         
         // A unique identifier for the session.
         AZStd::string m_sessionId;
diff --git a/Code/Framework/AzFramework/AzFramework/Session/SessionNotifications.h b/Code/Framework/AzFramework/AzFramework/Session/SessionNotifications.h
index 7788c2d030..902500fe9a 100644
--- a/Code/Framework/AzFramework/AzFramework/Session/SessionNotifications.h
+++ b/Code/Framework/AzFramework/AzFramework/Session/SessionNotifications.h
@@ -41,6 +41,11 @@ namespace AzFramework
         // OnDestroySessionBegin is fired at the beginning of session termination
         // @return The result of all OnDestroySessionBegin notifications
         virtual bool OnDestroySessionBegin() = 0;
+
+        // OnUpdateSessionBegin is fired at the beginning of session update
+        // @param sessionConfig The properties to describe a session
+        // @param updateReason The reason for session update
+        virtual void OnUpdateSessionBegin(const SessionConfig& sessionConfig, const AZStd::string& updateReason) = 0;
     };
     using SessionNotificationBus = AZ::EBus<SessionNotifications>;
 } // namespace AzFramework
diff --git a/Code/Framework/AzFramework/AzFramework/Spawnable/RootSpawnableInterface.h b/Code/Framework/AzFramework/AzFramework/Spawnable/RootSpawnableInterface.h
index bb1f137ba2..72a3031e3e 100644
--- a/Code/Framework/AzFramework/AzFramework/Spawnable/RootSpawnableInterface.h
+++ b/Code/Framework/AzFramework/AzFramework/Spawnable/RootSpawnableInterface.h
@@ -61,6 +61,10 @@ namespace AzFramework
         //! be deleted and the spawnable asset to be released. This call is automatically done when
         //! AssignRootSpawnable is called while a root spawnable is assigned.
         virtual void ReleaseRootSpawnable() = 0;
+        //! Force processing all SpawnableEntitiesManager requests immediately
+        //! This is useful when loading a different level while SpawnableEntitiesManager still has
+        //! pending requests
+        virtual void ProcessSpawnableQueue() = 0;
     };
 
     using RootSpawnableInterface = AZ::Interface<RootSpawnableDefinition>;
diff --git a/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.cpp b/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.cpp
index f6130c9e31..957786c6df 100644
--- a/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.cpp
+++ b/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.cpp
@@ -45,8 +45,7 @@ namespace AzFramework
 
     void SpawnableSystemComponent::OnTick(float /*deltaTime*/, AZ::ScriptTimePoint /*time*/)
     {
-        m_entitiesManager.ProcessQueue(
-            SpawnableEntitiesManager::CommandQueuePriority::High | SpawnableEntitiesManager::CommandQueuePriority::Regular);
+        ProcessSpawnableQueue();
         RootSpawnableNotificationBus::ExecuteQueuedEvents();
     }
 
@@ -121,6 +120,12 @@ namespace AzFramework
         m_rootSpawnableId = AZ::Data::AssetId();
     }
 
+    void SpawnableSystemComponent::ProcessSpawnableQueue()
+    {
+        m_entitiesManager.ProcessQueue(
+            SpawnableEntitiesManager::CommandQueuePriority::High | SpawnableEntitiesManager::CommandQueuePriority::Regular);
+    }
+
     void SpawnableSystemComponent::OnRootSpawnableAssigned([[maybe_unused]] AZ::Data::Asset<Spawnable> rootSpawnable,
         [[maybe_unused]] uint32_t generation)
     {
@@ -161,6 +166,8 @@ namespace AzFramework
 
     void SpawnableSystemComponent::Deactivate()
     {
+        ProcessSpawnableQueue();
+
         m_registryChangeHandler.Disconnect();
 
         AZ::TickBus::Handler::BusDisconnect();
diff --git a/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.h b/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.h
index 5b5fb1b7ee..74e255d624 100644
--- a/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.h
+++ b/Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableSystemComponent.h
@@ -75,6 +75,7 @@ namespace AzFramework
 
         uint64_t AssignRootSpawnable(AZ::Data::Asset<Spawnable> rootSpawnable) override;
         void ReleaseRootSpawnable() override;
+        void ProcessSpawnableQueue() override;
 
         //
         // RootSpawnbleNotificationBus
diff --git a/Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbNativeWindow.cpp b/Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbNativeWindow.cpp
index 6ab97fd616..43f7e7140f 100644
--- a/Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbNativeWindow.cpp
+++ b/Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbNativeWindow.cpp
@@ -10,6 +10,7 @@
 #include <AzFramework/Windowing/NativeWindow.h>
 #include <AzFramework/XcbNativeWindow.h>
 #include <AzFramework/XcbConnectionManager.h>
+#include <AzFramework/XcbInterface.h>
 
 #include <xcb/xcb.h>
 
diff --git a/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbInputDeviceKeyboardTests.cpp b/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbInputDeviceKeyboardTests.cpp
index 2b1f21ede7..76d00eda50 100644
--- a/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbInputDeviceKeyboardTests.cpp
+++ b/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbInputDeviceKeyboardTests.cpp
@@ -12,7 +12,6 @@
 
 #include <xcb/xcb.h>
 
-#include <AzCore/UserSettings/UserSettingsComponent.h>
 #include <AzFramework/XcbApplication.h>
 #include <AzFramework/XcbInputDeviceKeyboard.h>
 #include <AzFramework/Input/Buses/Notifications/InputTextNotificationBus.h>
@@ -20,6 +19,7 @@
 #include "Matchers.h"
 #include "Actions.h"
 #include "XcbBaseTestFixture.h"
+#include "XcbTestApplication.h"
 
 template<typename T>
 xcb_generic_event_t MakeEvent(T event)
@@ -33,6 +33,7 @@ namespace AzFramework
     class XcbInputDeviceKeyboardTests
         : public XcbBaseTestFixture
     {
+    public:
         void SetUp() override
         {
             using testing::Return;
@@ -123,6 +124,15 @@ namespace AzFramework
 
         static constexpr xcb_keycode_t s_keycodeForAKey{38};
         static constexpr xcb_keycode_t s_keycodeForShiftLKey{50};
+
+        XcbTestApplication m_application{
+            /*enabledGamepadsCount=*/0,
+            /*keyboardEnabled=*/true,
+            /*motionEnabled=*/false,
+            /*mouseEnabled=*/false,
+            /*touchEnabled=*/false,
+            /*virtualKeyboardEnabled=*/false
+        };
     };
 
     class InputTextNotificationListener
@@ -195,27 +205,23 @@ namespace AzFramework
         EXPECT_CALL(m_interface, xkb_state_key_get_one_sym(&m_xkbState, s_keycodeForAKey))
             .Times(2);
 
-        Application application;
-        application.Start({}, {});
-        AZ::UserSettingsComponentRequestBus::Broadcast(&AZ::UserSettingsComponentRequests::DisableSaveOnFinalize);
+        m_application.Start();
 
         const InputChannel* inputChannel = InputChannelRequests::FindInputChannel(InputDeviceKeyboard::Key::AlphanumericA);
         ASSERT_TRUE(inputChannel);
         EXPECT_THAT(inputChannel->GetState(), Eq(InputChannel::State::Idle));
 
-        application.PumpSystemEventLoopUntilEmpty();
-        application.TickSystem();
-        application.Tick();
+        m_application.PumpSystemEventLoopUntilEmpty();
+        m_application.TickSystem();
+        m_application.Tick();
 
         EXPECT_THAT(inputChannel->GetState(), Eq(InputChannel::State::Began));
 
-        application.PumpSystemEventLoopUntilEmpty();
-        application.TickSystem();
-        application.Tick();
+        m_application.PumpSystemEventLoopUntilEmpty();
+        m_application.TickSystem();
+        m_application.Tick();
 
         EXPECT_THAT(inputChannel->GetState(), Eq(InputChannel::State::Ended));
-
-        application.Stop();
     }
 
     TEST_F(XcbInputDeviceKeyboardTests, TextEnteredFromXcbKeyPressEvents)
@@ -420,17 +426,13 @@ namespace AzFramework
         EXPECT_CALL(textListener, OnInputTextEvent(StrEq("a"), _)).Times(1);
         EXPECT_CALL(textListener, OnInputTextEvent(StrEq("A"), _)).Times(1);
 
-        Application application;
-        application.Start({}, {});
-        AZ::UserSettingsComponentRequestBus::Broadcast(&AZ::UserSettingsComponentRequests::DisableSaveOnFinalize);
+        m_application.Start();
 
         for (int i = 0; i < 4; ++i)
         {
-            application.PumpSystemEventLoopUntilEmpty();
-            application.TickSystem();
-            application.Tick();
+            m_application.PumpSystemEventLoopUntilEmpty();
+            m_application.TickSystem();
+            m_application.Tick();
         }
-
-        application.Stop();
     }
 } // namespace AzFramework
diff --git a/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbTestApplication.h b/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbTestApplication.h
new file mode 100644
index 0000000000..3035a9de74
--- /dev/null
+++ b/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/XcbTestApplication.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <AzCore/Settings/SettingsRegistry.h>
+#include <AzCore/UserSettings/UserSettingsComponent.h>
+#include <AzFramework/Application/Application.h>
+
+namespace AzFramework
+{
+    class XcbTestApplication
+        : public Application
+    {
+    public:
+        XcbTestApplication(AZ::u64 enabledGamepadsCount, bool keyboardEnabled, bool motionEnabled, bool mouseEnabled, bool touchEnabled, bool virtualKeyboardEnabled)
+        {
+            auto* settingsRegistry = AZ::SettingsRegistry::Get();
+            settingsRegistry->Set("/O3DE/InputSystem/GamepadsEnabled", enabledGamepadsCount);
+            settingsRegistry->Set("/O3DE/InputSystem/KeyboardEnabled", keyboardEnabled);
+            settingsRegistry->Set("/O3DE/InputSystem/MotionEnabled", motionEnabled);
+            settingsRegistry->Set("/O3DE/InputSystem/MouseEnabled", mouseEnabled);
+            settingsRegistry->Set("/O3DE/InputSystem/TouchEnabled", touchEnabled);
+            settingsRegistry->Set("/O3DE/InputSystem/VirtualKeyboardEnabled", virtualKeyboardEnabled);
+        }
+
+        void Start(const Descriptor& descriptor = {}, const StartupParameters& startupParameters = {}) override
+        {
+            Application::Start(descriptor, startupParameters);
+            AZ::UserSettingsComponentRequestBus::Broadcast(&AZ::UserSettingsComponentRequests::DisableSaveOnFinalize);
+        }
+    };
+} // namespace AzFramework
diff --git a/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/azframework_xcb_tests_files.cmake b/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/azframework_xcb_tests_files.cmake
index 762d5d74fe..147fd2bfe1 100644
--- a/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/azframework_xcb_tests_files.cmake
+++ b/Code/Framework/AzFramework/Tests/Platform/Common/Xcb/azframework_xcb_tests_files.cmake
@@ -17,4 +17,5 @@ set(FILES
     XcbBaseTestFixture.cpp
     XcbBaseTestFixture.h
     XcbInputDeviceKeyboardTests.cpp
+    XcbTestApplication.h
 )
diff --git a/Code/Framework/AzGameFramework/AzGameFramework/Application/GameApplication.cpp b/Code/Framework/AzGameFramework/AzGameFramework/Application/GameApplication.cpp
index 462de43262..0cce93d751 100644
--- a/Code/Framework/AzGameFramework/AzGameFramework/Application/GameApplication.cpp
+++ b/Code/Framework/AzGameFramework/AzGameFramework/Application/GameApplication.cpp
@@ -96,6 +96,8 @@ namespace AzGameFramework
         AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_CommandLine(registry, m_commandLine, false);
         AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_ProjectUserRegistry(registry, AZ_TRAIT_OS_PLATFORM_CODENAME, specializations, &scratchBuffer);
         AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_CommandLine(registry, m_commandLine, true);
+#else
+        AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_CommandLine(registry, m_commandLine, false);
 #endif
         // Update the Runtime file paths in case the "{BootstrapSettingsRootKey}/assets" key was overriden by a setting registry
         AZ::SettingsRegistryMergeUtils::MergeSettingsToRegistry_AddRuntimeFilePaths(registry);
diff --git a/Code/Framework/AzQtComponents/AzQtComponents/Platform/Linux/platform_linux_files.cmake b/Code/Framework/AzQtComponents/AzQtComponents/Platform/Linux/platform_linux_files.cmake
index ec71d7b508..f292c29c3c 100644
--- a/Code/Framework/AzQtComponents/AzQtComponents/Platform/Linux/platform_linux_files.cmake
+++ b/Code/Framework/AzQtComponents/AzQtComponents/Platform/Linux/platform_linux_files.cmake
@@ -12,6 +12,7 @@ set(FILES
     ../../Utilities/QtWindowUtilities_linux.cpp
     ../../Utilities/ScreenGrabber_linux.cpp
     ../../../Platform/Linux/AzQtComponents/Components/StyledDockWidget_Linux.cpp
+    ../../../Platform/Linux/AzQtComponents/Utilities/DesktopUtilities_Linux.cpp
     ../../../Platform/Linux/AzQtComponents/AzQtComponents_Traits_Linux.h
     ../../../Platform/Linux/AzQtComponents/AzQtComponents_Traits_Platform.h
 )
diff --git a/Code/Framework/AzQtComponents/AzQtComponents/Platform/Mac/platform_mac_files.cmake b/Code/Framework/AzQtComponents/AzQtComponents/Platform/Mac/platform_mac_files.cmake
index 18f9479289..4addf53599 100644
--- a/Code/Framework/AzQtComponents/AzQtComponents/Platform/Mac/platform_mac_files.cmake
+++ b/Code/Framework/AzQtComponents/AzQtComponents/Platform/Mac/platform_mac_files.cmake
@@ -12,6 +12,7 @@ set(FILES
     ../../Utilities/QtWindowUtilities_mac.mm
     ../../Utilities/ScreenGrabber_mac.mm
     ../../../Platform/Mac/AzQtComponents/Components/StyledDockWidget_Mac.cpp
+    ../../../Platform/Mac/AzQtComponents/Utilities/DesktopUtilities_Mac.cpp
     ../../../Platform/Mac/AzQtComponents/AzQtComponents_Traits_Mac.h
     ../../../Platform/Mac/AzQtComponents/AzQtComponents_Traits_Platform.h
 )
diff --git a/Code/Framework/AzQtComponents/AzQtComponents/Platform/Windows/platform_windows_files.cmake b/Code/Framework/AzQtComponents/AzQtComponents/Platform/Windows/platform_windows_files.cmake
index ca4145ef35..bf0d0bb785 100644
--- a/Code/Framework/AzQtComponents/AzQtComponents/Platform/Windows/platform_windows_files.cmake
+++ b/Code/Framework/AzQtComponents/AzQtComponents/Platform/Windows/platform_windows_files.cmake
@@ -9,6 +9,7 @@
 set(FILES
     ../../natvis/qt.natvis
     ../../../Platform/Windows/AzQtComponents/Utilities/HandleDpiAwareness_Windows.cpp
+    ../../../Platform/Windows/AzQtComponents/Utilities/DesktopUtilities_Windows.cpp
     ../../Utilities/MouseHider_win.cpp
     ../../Utilities/QtWindowUtilities_win.cpp
     ../../Utilities/ScreenGrabber_win.cpp
diff --git a/Code/Framework/AzQtComponents/AzQtComponents/azqtcomponents_files.cmake b/Code/Framework/AzQtComponents/AzQtComponents/azqtcomponents_files.cmake
index 8219ab04b2..4c343b852c 100644
--- a/Code/Framework/AzQtComponents/AzQtComponents/azqtcomponents_files.cmake
+++ b/Code/Framework/AzQtComponents/AzQtComponents/azqtcomponents_files.cmake
@@ -271,7 +271,6 @@ set(FILES
     Utilities/ColorUtilities.h
     Utilities/Conversions.h
     Utilities/Conversions.cpp
-    Utilities/DesktopUtilities.cpp
     Utilities/DesktopUtilities.h
     Utilities/HandleDpiAwareness.cpp
     Utilities/HandleDpiAwareness.h
diff --git a/Code/Framework/AzQtComponents/Platform/Linux/AzQtComponents/Utilities/DesktopUtilities_Linux.cpp b/Code/Framework/AzQtComponents/Platform/Linux/AzQtComponents/Utilities/DesktopUtilities_Linux.cpp
new file mode 100644
index 0000000000..e4ddaceec7
--- /dev/null
+++ b/Code/Framework/AzQtComponents/Platform/Linux/AzQtComponents/Utilities/DesktopUtilities_Linux.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzQtComponents/Utilities/DesktopUtilities.h>
+
+#include <QDir>
+#include <QProcess>
+
+namespace AzQtComponents
+{
+    void ShowFileOnDesktop(const QString& path)
+    {
+        const char* defaultNautilusPath = "/usr/bin/nautilus";
+        const char* defaultXdgOpenPath = "/usr/bin/xdg-open";
+
+        // Determine if Nautilus (for Gnome Desktops) is available because it supports opening the file manager 
+        // and selecting a specific file
+        bool nautilusAvailable = QFileInfo(defaultNautilusPath).exists();
+
+        QFileInfo pathInfo(path);
+        if (pathInfo.isDir())
+        {
+            QProcess::startDetached(defaultXdgOpenPath, { path });
+        }
+        else
+        {
+            if (nautilusAvailable)
+            {
+                QProcess::startDetached(defaultNautilusPath, { "--select", path });
+            }
+            else
+            {
+                QDir parentDir { pathInfo.dir() };
+                QProcess::startDetached(defaultXdgOpenPath, { parentDir.path() });
+            }
+        }
+    }
+
+    QString fileBrowserActionName()
+    {
+        const char* exploreActionName = "Open in file browser";
+        return QObject::tr(exploreActionName);
+    }
+}
diff --git a/Code/Framework/AzQtComponents/AzQtComponents/Utilities/DesktopUtilities.cpp b/Code/Framework/AzQtComponents/Platform/Mac/AzQtComponents/Utilities/DesktopUtilities_Mac.cpp
similarity index 67%
rename from Code/Framework/AzQtComponents/AzQtComponents/Utilities/DesktopUtilities.cpp
rename to Code/Framework/AzQtComponents/Platform/Mac/AzQtComponents/Utilities/DesktopUtilities_Mac.cpp
index c210f17136..5920dc76c6 100644
--- a/Code/Framework/AzQtComponents/AzQtComponents/Utilities/DesktopUtilities.cpp
+++ b/Code/Framework/AzQtComponents/Platform/Mac/AzQtComponents/Utilities/DesktopUtilities_Mac.cpp
@@ -15,21 +15,6 @@ namespace AzQtComponents
 {
     void ShowFileOnDesktop(const QString& path)
     {
-#if defined(AZ_PLATFORM_WINDOWS)
-
-        // Launch explorer at the path provided
-        QStringList args;
-        if (!QFileInfo(path).isDir())
-        {
-            // Folders are just opened, files are selected
-            args << "/select,";
-        }
-        args << QDir::toNativeSeparators(path);
-
-        QProcess::startDetached("explorer", args);
-
-#else
-
         if (QFileInfo(path).isDir())
         {
             QProcess::startDetached("/usr/bin/osascript", { "-e",
@@ -43,19 +28,11 @@ namespace AzQtComponents
 
         QProcess::startDetached("/usr/bin/osascript", { "-e",
                     QStringLiteral("tell application \"Finder\" to activate") });
-
-#endif
     }
 
     QString fileBrowserActionName()
     {
-#ifdef AZ_PLATFORM_WINDOWS
-        const char* exploreActionName = "Open in Explorer";
-#elif defined(AZ_PLATFORM_MAC)
         const char* exploreActionName = "Open in Finder";
-#else
-        const char* exploreActionName = "Open in file browser";
-#endif
         return QObject::tr(exploreActionName);
     }
 }
diff --git a/Code/Framework/AzQtComponents/Platform/Windows/AzQtComponents/Utilities/DesktopUtilities_Windows.cpp b/Code/Framework/AzQtComponents/Platform/Windows/AzQtComponents/Utilities/DesktopUtilities_Windows.cpp
new file mode 100644
index 0000000000..796e2c0ccf
--- /dev/null
+++ b/Code/Framework/AzQtComponents/Platform/Windows/AzQtComponents/Utilities/DesktopUtilities_Windows.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzQtComponents/Utilities/DesktopUtilities.h>
+
+#include <QDir>
+#include <QProcess>
+
+namespace AzQtComponents
+{
+    void ShowFileOnDesktop(const QString& path)
+    {
+        // Launch explorer at the path provided
+        QStringList args;
+        if (!QFileInfo(path).isDir())
+        {
+            // Folders are just opened, files are selected
+            args << "/select,";
+        }
+        args << QDir::toNativeSeparators(path);
+
+        QProcess::startDetached("explorer", args);
+    }
+
+    QString fileBrowserActionName()
+    {
+        const char* exploreActionName = "Open in Explorer";
+        return QObject::tr(exploreActionName);
+    }
+}
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeNotificationBus.h b/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeNotificationBus.h
index ab8629ac85..81f1f7bb3b 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeNotificationBus.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeNotificationBus.h
@@ -28,8 +28,10 @@ namespace AzToolsFramework
         //////////////////////////////////////////////////////////////////////////
         
         //! Triggered when the editor focus is changed to a different entity.
-        //! @param entityId The entity the focus has been moved to.
-        virtual void OnEditorFocusChanged(AZ::EntityId entityId) = 0;
+        //! @param previousFocusEntityId The entity the focus has been moved from.
+        //! @param newFocusEntityId The entity the focus has been moved to.
+        virtual void OnEditorFocusChanged(
+            [[maybe_unused]] AZ::EntityId previousFocusEntityId, [[maybe_unused]] AZ::EntityId newFocusEntityId) {}
 
     protected:
         ~FocusModeNotifications() = default;
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeSystemComponent.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeSystemComponent.cpp
index af518afd66..f592c471d0 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeSystemComponent.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/FocusMode/FocusModeSystemComponent.cpp
@@ -71,8 +71,9 @@ namespace AzToolsFramework
             return;
         }
 
+        AZ::EntityId previousFocusEntityId = m_focusRoot;
         m_focusRoot = entityId;
-        FocusModeNotificationBus::Broadcast(&FocusModeNotifications::OnEditorFocusChanged, m_focusRoot);
+        FocusModeNotificationBus::Broadcast(&FocusModeNotifications::OnEditorFocusChanged, previousFocusEntityId, m_focusRoot);
 
         if (auto tracker = AZ::Interface<ViewportEditorModeTrackerInterface>::Get();
             tracker != nullptr)
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Picking/Manipulators/ManipulatorBounds.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/Picking/Manipulators/ManipulatorBounds.cpp
index 3a7fffb3be..4c7afa2275 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/Picking/Manipulators/ManipulatorBounds.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Picking/Manipulators/ManipulatorBounds.cpp
@@ -116,7 +116,7 @@ namespace AzToolsFramework
         {
             return AZ::Intersect::IntersectRayBox(
                        rayOrigin, rayDirection, m_center, m_axis1, m_axis2, m_axis3, m_halfExtents.GetX(), m_halfExtents.GetY(),
-                       m_halfExtents.GetZ(), rayIntersectionDistance) > 0;
+                       m_halfExtents.GetZ(), rayIntersectionDistance);
         }
 
         void ManipulatorBoundBox::SetShapeData(const BoundRequestShapeBase& shapeData)
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabDomUtils.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabDomUtils.cpp
index ea0fa55256..a84d6bf706 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabDomUtils.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabDomUtils.cpp
@@ -262,7 +262,7 @@ namespace AzToolsFramework
 
                         if (assetId.IsValid())
                         {
-                            asset.Create(assetId, true);
+                            asset.Create(assetId, false);
                         }
                     }
                 };
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.cpp
index fcec1edd54..a79b9eb73d 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.cpp
@@ -8,12 +8,14 @@
 
 #include <AzToolsFramework/Prefab/PrefabFocusHandler.h>
 
+#include <AzToolsFramework/Commands/SelectionCommand.h>
 #include <AzToolsFramework/ContainerEntity/ContainerEntityInterface.h>
 #include <AzToolsFramework/Entity/EditorEntityHelpers.h>
 #include <AzToolsFramework/Entity/PrefabEditorEntityOwnershipInterface.h>
 #include <AzToolsFramework/Prefab/Instance/Instance.h>
 #include <AzToolsFramework/Prefab/Instance/InstanceEntityMapperInterface.h>
 #include <AzToolsFramework/Prefab/PrefabFocusNotificationBus.h>
+#include <AzToolsFramework/Prefab/PrefabFocusUndo.h>
 
 namespace AzToolsFramework::Prefab
 {
@@ -28,10 +30,12 @@ namespace AzToolsFramework::Prefab
 
         EditorEntityContextNotificationBus::Handler::BusConnect();
         AZ::Interface<PrefabFocusInterface>::Register(this);
+        AZ::Interface<PrefabFocusPublicInterface>::Register(this);
     }
 
     PrefabFocusHandler::~PrefabFocusHandler()
     {
+        AZ::Interface<PrefabFocusPublicInterface>::Unregister(this);
         AZ::Interface<PrefabFocusInterface>::Unregister(this);
         EditorEntityContextNotificationBus::Handler::BusDisconnect();
     }
@@ -61,6 +65,44 @@ namespace AzToolsFramework::Prefab
     }
 
     PrefabFocusOperationResult PrefabFocusHandler::FocusOnOwningPrefab(AZ::EntityId entityId)
+    {
+        // Initialize Undo Batch object
+        ScopedUndoBatch undoBatch("Edit Prefab");
+
+        // Clear selection
+        {
+            const EntityIdList selectedEntities = EntityIdList{};
+            auto selectionUndo = aznew SelectionCommand(selectedEntities, "Clear Selection");
+            selectionUndo->SetParent(undoBatch.GetUndoBatch());
+            ToolsApplicationRequestBus::Broadcast(&ToolsApplicationRequestBus::Events::SetSelectedEntities, selectedEntities);
+        }
+
+        // Edit Prefab
+        {
+            auto editUndo = aznew PrefabFocusUndo("Edit Prefab");
+            editUndo->Capture(entityId);
+            editUndo->SetParent(undoBatch.GetUndoBatch());
+            ToolsApplicationRequestBus::Broadcast(&ToolsApplicationRequestBus::Events::RunRedoSeparately, editUndo);
+        }
+
+        return AZ::Success();
+    }
+
+    PrefabFocusOperationResult PrefabFocusHandler::FocusOnPathIndex([[maybe_unused]] AzFramework::EntityContextId entityContextId, int index)
+    {
+        if (index < 0 || index >= m_instanceFocusVector.size())
+        {
+            return AZ::Failure(AZStd::string("Prefab Focus Handler: Invalid index on FocusOnPathIndex."));
+        }
+
+        InstanceOptionalReference focusedInstance = m_instanceFocusVector[index];
+
+        FocusOnOwningPrefab(focusedInstance->get().GetContainerEntityId());
+
+        return AZ::Success();
+    }
+
+    PrefabFocusOperationResult PrefabFocusHandler::FocusOnPrefabInstanceOwningEntityId(AZ::EntityId entityId)
     {
         InstanceOptionalReference focusedInstance;
 
@@ -85,18 +127,6 @@ namespace AzToolsFramework::Prefab
         return FocusOnPrefabInstance(focusedInstance);
     }
 
-    PrefabFocusOperationResult PrefabFocusHandler::FocusOnPathIndex([[maybe_unused]] AzFramework::EntityContextId entityContextId, int index)
-    {
-        if (index < 0 || index >= m_instanceFocusVector.size())
-        {
-            return AZ::Failure(AZStd::string("Prefab Focus Handler: Invalid index on FocusOnPathIndex."));
-        }
-
-        InstanceOptionalReference focusedInstance = m_instanceFocusVector[index];
-
-        return FocusOnPrefabInstance(focusedInstance);
-    }
-
     PrefabFocusOperationResult PrefabFocusHandler::FocusOnPrefabInstance(InstanceOptionalReference focusedInstance)
     {
         if (!focusedInstance.has_value())
@@ -122,17 +152,10 @@ namespace AzToolsFramework::Prefab
             if (focusedInstance->get().GetParentInstance() != AZStd::nullopt)
             {
                 containerEntityId = focusedInstance->get().GetContainerEntityId();
-
-                // Select the container entity
-                AzToolsFramework::SelectEntity(containerEntityId);
             }
             else
             {
                 containerEntityId = AZ::EntityId();
-
-                // Clear the selection
-                AzToolsFramework::SelectEntities({});
-                
             }
             
             // Focus on the descendants of the container entity
@@ -161,6 +184,17 @@ namespace AzToolsFramework::Prefab
         return m_focusedInstance;
     }
 
+    AZ::EntityId PrefabFocusHandler::GetFocusedPrefabContainerEntityId([[maybe_unused]] AzFramework::EntityContextId entityContextId) const
+    {
+        if (!m_focusedInstance.has_value())
+        {
+            // PrefabFocusHandler has not been initialized yet.
+            return AZ::EntityId();
+        }
+
+        return m_focusedInstance->get().GetContainerEntityId();
+    }
+
     bool PrefabFocusHandler::IsOwningPrefabBeingFocused(AZ::EntityId entityId) const
     {
         if (!m_focusedInstance.has_value())
@@ -200,7 +234,7 @@ namespace AzToolsFramework::Prefab
         m_instanceFocusVector.clear();
 
         // Focus on the root prefab (AZ::EntityId() will default to it)
-        FocusOnOwningPrefab(AZ::EntityId());
+        FocusOnPrefabInstanceOwningEntityId(AZ::EntityId());
     }
 
     void PrefabFocusHandler::RefreshInstanceFocusList()
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.h b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.h
index 2f631f772d..80b7a6859c 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusHandler.h
@@ -13,6 +13,7 @@
 #include <AzToolsFramework/Entity/EditorEntityContextBus.h>
 #include <AzToolsFramework/FocusMode/FocusModeInterface.h>
 #include <AzToolsFramework/Prefab/PrefabFocusInterface.h>
+#include <AzToolsFramework/Prefab/PrefabFocusPublicInterface.h>
 #include <AzToolsFramework/Prefab/Template/Template.h>
 
 namespace AzToolsFramework
@@ -28,6 +29,7 @@ namespace AzToolsFramework::Prefab
     //! Handles Prefab Focus mode, determining which prefab file entity changes will target.
     class PrefabFocusHandler final
         : private PrefabFocusInterface
+        , private PrefabFocusPublicInterface
         , private EditorEntityContextNotificationBus::Handler
     {
     public:
@@ -39,10 +41,14 @@ namespace AzToolsFramework::Prefab
         void Initialize();
 
         // PrefabFocusInterface overrides ...
-        PrefabFocusOperationResult FocusOnOwningPrefab(AZ::EntityId entityId) override;
-        PrefabFocusOperationResult FocusOnPathIndex(AzFramework::EntityContextId entityContextId, int index) override;
+        PrefabFocusOperationResult FocusOnPrefabInstanceOwningEntityId(AZ::EntityId entityId) override;
         TemplateId GetFocusedPrefabTemplateId(AzFramework::EntityContextId entityContextId) const override;
         InstanceOptionalReference GetFocusedPrefabInstance(AzFramework::EntityContextId entityContextId) const override;
+
+        // PrefabFocusPublicInterface overrides ...
+        PrefabFocusOperationResult FocusOnOwningPrefab(AZ::EntityId entityId) override;
+        PrefabFocusOperationResult FocusOnPathIndex(AzFramework::EntityContextId entityContextId, int index) override;
+        AZ::EntityId GetFocusedPrefabContainerEntityId(AzFramework::EntityContextId entityContextId) const override;
         bool IsOwningPrefabBeingFocused(AZ::EntityId entityId) const override;
         const AZ::IO::Path& GetPrefabFocusPath(AzFramework::EntityContextId entityContextId) const override;
         const int GetPrefabFocusPathLength(AzFramework::EntityContextId entityContextId) const override;
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusInterface.h b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusInterface.h
index 1c0f4f85e9..25c83b89bc 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusInterface.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusInterface.h
@@ -20,7 +20,7 @@ namespace AzToolsFramework::Prefab
 {
     using PrefabFocusOperationResult = AZ::Outcome<void, AZStd::string>;
 
-    //! Interface to handle operations related to the Prefab Focus system.
+    //! Interface to handle internal operations related to the Prefab Focus system.
     class PrefabFocusInterface
     {
     public:
@@ -28,29 +28,13 @@ namespace AzToolsFramework::Prefab
 
         //! Set the focused prefab instance to the owning instance of the entityId provided.
         //! @param entityId The entityId of the entity whose owning instance we want the prefab system to focus on.
-        virtual PrefabFocusOperationResult FocusOnOwningPrefab(AZ::EntityId entityId) = 0;
-
-        //! Set the focused prefab instance to the instance at position index of the current path.
-        //! @param index The index of the instance in the current path that we want the prefab system to focus on.
-        virtual PrefabFocusOperationResult FocusOnPathIndex(AzFramework::EntityContextId entityContextId, int index) = 0;
+        virtual PrefabFocusOperationResult FocusOnPrefabInstanceOwningEntityId(AZ::EntityId entityId) = 0;
 
         //! Returns the template id of the instance the prefab system is focusing on.
         virtual TemplateId GetFocusedPrefabTemplateId(AzFramework::EntityContextId entityContextId) const = 0;
 
         //! Returns a reference to the instance the prefab system is focusing on.
         virtual InstanceOptionalReference GetFocusedPrefabInstance(AzFramework::EntityContextId entityContextId) const = 0;
-
-        //! Returns whether the entity belongs to the instance that is being focused on, or one of its descendants.
-        //! @param entityId The entityId of the queried entity.
-        //! @return true if the entity belongs to the focused instance or one of its descendants, false otherwise.
-        virtual bool IsOwningPrefabBeingFocused(AZ::EntityId entityId) const = 0;
-
-        //! Returns the path from the root instance to the currently focused instance.
-        //! @return A path composed from the names of the container entities for the instance path.
-        virtual const AZ::IO::Path& GetPrefabFocusPath(AzFramework::EntityContextId entityContextId) const = 0;
-
-        //! Returns the size of the path to the currently focused instance.
-        virtual const int GetPrefabFocusPathLength(AzFramework::EntityContextId entityContextId) const = 0;
     };
 
 } // namespace AzToolsFramework::Prefab
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusPublicInterface.h b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusPublicInterface.h
new file mode 100644
index 0000000000..86e476b56f
--- /dev/null
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusPublicInterface.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <AzCore/Interface/Interface.h>
+#include <AzCore/Serialization/SerializeContext.h>
+
+#include <AzFramework/Entity/EntityContext.h>
+
+#include <AzToolsFramework/Prefab/Instance/Instance.h>
+#include <AzToolsFramework/Prefab/Template/Template.h>
+
+namespace AzToolsFramework::Prefab
+{
+    using PrefabFocusOperationResult = AZ::Outcome<void, AZStd::string>;
+
+    //! Public Interface for external systems to utilize the Prefab Focus system.
+    class PrefabFocusPublicInterface
+    {
+    public:
+        AZ_RTTI(PrefabFocusPublicInterface, "{53EE1D18-A41F-4DB1-9B73-9448F425722E}");
+
+        //! Set the focused prefab instance to the owning instance of the entityId provided. Supports undo/redo.
+        //! @param entityId The entityId of the entity whose owning instance we want the prefab system to focus on.
+        virtual PrefabFocusOperationResult FocusOnOwningPrefab(AZ::EntityId entityId) = 0;
+
+        //! Set the focused prefab instance to the instance at position index of the current path. Supports undo/redo.
+        //! @param index The index of the instance in the current path that we want the prefab system to focus on.
+        virtual PrefabFocusOperationResult FocusOnPathIndex(AzFramework::EntityContextId entityContextId, int index) = 0;
+
+        //! Returns the entity id of the container entity for the instance the prefab system is focusing on.
+        virtual AZ::EntityId GetFocusedPrefabContainerEntityId(AzFramework::EntityContextId entityContextId) const = 0;
+
+        //! Returns whether the entity belongs to the instance that is being focused on, or one of its descendants.
+        //! @param entityId The entityId of the queried entity.
+        //! @return true if the entity belongs to the focused instance or one of its descendants, false otherwise.
+        virtual bool IsOwningPrefabBeingFocused(AZ::EntityId entityId) const = 0;
+
+        //! Returns the path from the root instance to the currently focused instance.
+        //! @return A path composed from the names of the container entities for the instance path.
+        virtual const AZ::IO::Path& GetPrefabFocusPath(AzFramework::EntityContextId entityContextId) const = 0;
+
+        //! Returns the size of the path to the currently focused instance.
+        virtual const int GetPrefabFocusPathLength(AzFramework::EntityContextId entityContextId) const = 0;
+    };
+
+} // namespace AzToolsFramework::Prefab
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusUndo.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusUndo.cpp
new file mode 100644
index 0000000000..e5f664ea38
--- /dev/null
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusUndo.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzToolsFramework/Prefab/PrefabFocusUndo.h>
+
+#include <AzCore/Interface/Interface.h>
+#include <AzToolsFramework/Entity/EditorEntityContextBus.h>
+#include <AzToolsFramework/Prefab/PrefabFocusInterface.h>
+#include <AzToolsFramework/Prefab/PrefabFocusPublicInterface.h>
+
+namespace AzToolsFramework::Prefab
+{
+    PrefabFocusUndo::PrefabFocusUndo(const AZStd::string& undoOperationName)
+        : UndoSystem::URSequencePoint(undoOperationName)
+    {
+        m_prefabFocusInterface = AZ::Interface<PrefabFocusInterface>::Get();
+        AZ_Assert(m_prefabFocusInterface, "PrefabFocusUndo - Failed to grab prefab focus interface");
+
+        m_prefabFocusPublicInterface = AZ::Interface<PrefabFocusPublicInterface>::Get();
+        AZ_Assert(m_prefabFocusPublicInterface, "PrefabFocusUndo - Failed to grab prefab focus public interface");
+    }
+
+    bool PrefabFocusUndo::Changed() const
+    {
+        return true;
+    }
+
+    void PrefabFocusUndo::Capture(AZ::EntityId entityId)
+    {
+        auto entityContextId = AzFramework::EntityContextId::CreateNull();
+        EditorEntityContextRequestBus::BroadcastResult(entityContextId, &EditorEntityContextRequests::GetEditorEntityContextId);
+
+        m_beforeEntityId = m_prefabFocusPublicInterface->GetFocusedPrefabContainerEntityId(entityContextId);
+        m_afterEntityId = entityId;
+    }
+
+    void PrefabFocusUndo::Undo()
+    {
+        m_prefabFocusInterface->FocusOnPrefabInstanceOwningEntityId(m_beforeEntityId);
+    }
+
+    void PrefabFocusUndo::Redo()
+    {
+        m_prefabFocusInterface->FocusOnPrefabInstanceOwningEntityId(m_afterEntityId);
+    }
+
+} // namespace AzToolsFramework::Prefab
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusUndo.h b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusUndo.h
new file mode 100644
index 0000000000..3b257b6547
--- /dev/null
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusUndo.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <AzCore/Component/EntityId.h>
+#include <AzToolsFramework/Undo/UndoSystem.h>
+
+namespace AzToolsFramework::Prefab
+{
+    class PrefabFocusInterface;
+    class PrefabFocusPublicInterface;
+
+    //! Undo node for prefab focus change operations.
+    class PrefabFocusUndo
+        : public UndoSystem::URSequencePoint
+    {
+    public:
+        explicit PrefabFocusUndo(const AZStd::string& undoOperationName);
+
+        bool Changed() const override;
+        void Capture(AZ::EntityId entityId);
+
+        void Undo() override;
+        void Redo() override;
+
+    protected:
+        PrefabFocusInterface* m_prefabFocusInterface = nullptr;
+        PrefabFocusPublicInterface* m_prefabFocusPublicInterface = nullptr;
+
+        AZ::EntityId m_beforeEntityId;
+        AZ::EntityId m_afterEntityId;
+    };
+} // namespace AzToolsFramework::Prefab
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.cpp
index 4364ae1efc..d3138f5139 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.cpp
@@ -313,7 +313,8 @@ namespace AzToolsFramework
         StyledTreeView::StartCustomDrag(indexListSorted, supportedActions);
     }
 
-    void EntityOutlinerTreeView::OnEditorFocusChanged([[maybe_unused]] AZ::EntityId entityId)
+    void EntityOutlinerTreeView::OnEditorFocusChanged(
+        [[maybe_unused]] AZ::EntityId previousFocusEntityId, [[maybe_unused]] AZ::EntityId newFocusEntityId)
     {
         viewport()->repaint();
     }
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.hxx b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.hxx
index 2ddbaaafa9..5d76ec6db2 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.hxx
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerTreeView.hxx
@@ -64,7 +64,7 @@ namespace AzToolsFramework
         void leaveEvent(QEvent* event) override;
 
         // FocusModeNotificationBus overrides ...
-        void OnEditorFocusChanged(AZ::EntityId entityId) override;
+        void OnEditorFocusChanged(AZ::EntityId previousFocusEntityId, AZ::EntityId newFocusEntityId) override;
 
         //! Renders the left side of the item: appropriate background, branch lines, icons.
         void drawBranches(QPainter* painter, const QRect& rect, const QModelIndex& index) const override;
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidget.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidget.cpp
index 459b39a290..4d53102edb 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidget.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidget.cpp
@@ -324,7 +324,8 @@ namespace AzToolsFramework
     //  Currently, the first behavior is implemented.
     void EntityOutlinerWidget::OnSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
     {
-        if (m_selectionChangeInProgress || !m_enableSelectionUpdates)
+        if (m_selectionChangeInProgress || !m_enableSelectionUpdates
+            || (selected.empty() && deselected.empty()))
         {
             return;
         }
@@ -552,6 +553,13 @@ namespace AzToolsFramework
             return;
         }
 
+        // Do not display the context menu if the item under the mouse cursor is not selectable.
+        if (const QModelIndex& index = m_gui->m_objectTree->indexAt(pos); index.isValid()
+            && (index.flags() & Qt::ItemIsSelectable) == 0)
+        {
+            return;
+        }
+
         QMenu* contextMenu = new QMenu(this);
 
         // Populate global context menu.
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.cpp
index 24cb71499e..6ffa3aab69 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.cpp
@@ -24,11 +24,11 @@
 #include <AzToolsFramework/AssetBrowser/AssetSelectionModel.h>
 #include <AzToolsFramework/AssetBrowser/Entries/SourceAssetBrowserEntry.h>
 #include <AzToolsFramework/ContainerEntity/ContainerEntityInterface.h>
-#include <AzToolsFramework/Prefab/PrefabFocusInterface.h>
+#include <AzToolsFramework/Prefab/EditorPrefabComponent.h>
+#include <AzToolsFramework/Prefab/Instance/InstanceEntityMapperInterface.h>
+#include <AzToolsFramework/Prefab/PrefabFocusPublicInterface.h>
 #include <AzToolsFramework/Prefab/PrefabLoaderInterface.h>
 #include <AzToolsFramework/Prefab/Procedural/ProceduralPrefabAsset.h>
-#include <AzToolsFramework/Prefab/Instance/InstanceEntityMapperInterface.h>
-#include <AzToolsFramework/Prefab/EditorPrefabComponent.h>
 #include <AzToolsFramework/ToolsComponents/EditorLayerComponentBus.h>
 #include <AzToolsFramework/UI/EditorEntityUi/EditorEntityUiInterface.h>
 #include <AzToolsFramework/UI/Prefab/PrefabIntegrationInterface.h>
@@ -39,7 +39,6 @@
 #include <AzQtComponents/Components/StyleManager.h>
 #include <AzQtComponents/Components/Widgets/CardHeader.h>
 
-
 #include <QApplication>
 #include <QCheckBox>
 #include <QDialog>
@@ -56,14 +55,13 @@
 #include <QVBoxLayout>
 #include <QWidget>
 
-
 namespace AzToolsFramework
 {
     namespace Prefab
     {
         ContainerEntityInterface* PrefabIntegrationManager::s_containerEntityInterface = nullptr;
         EditorEntityUiInterface* PrefabIntegrationManager::s_editorEntityUiInterface = nullptr;
-        PrefabFocusInterface* PrefabIntegrationManager::s_prefabFocusInterface = nullptr;
+        PrefabFocusPublicInterface* PrefabIntegrationManager::s_prefabFocusPublicInterface = nullptr;
         PrefabLoaderInterface* PrefabIntegrationManager::s_prefabLoaderInterface = nullptr;
         PrefabPublicInterface* PrefabIntegrationManager::s_prefabPublicInterface = nullptr;
         PrefabSystemComponentInterface* PrefabIntegrationManager::s_prefabSystemComponentInterface = nullptr;
@@ -129,10 +127,10 @@ namespace AzToolsFramework
                 return;
             }
 
-            s_prefabFocusInterface = AZ::Interface<PrefabFocusInterface>::Get();
-            if (s_prefabFocusInterface == nullptr)
+            s_prefabFocusPublicInterface = AZ::Interface<PrefabFocusPublicInterface>::Get();
+            if (s_prefabFocusPublicInterface == nullptr)
             {
-                AZ_Assert(false, "Prefab - could not get PrefabFocusInterface on PrefabIntegrationManager construction.");
+                AZ_Assert(false, "Prefab - could not get PrefabFocusPublicInterface on PrefabIntegrationManager construction.");
                 return;
             }
 
@@ -247,12 +245,8 @@ namespace AzToolsFramework
                     if (s_prefabPublicInterface->IsInstanceContainerEntity(selectedEntity))
                     {
                         // Edit Prefab
-                        if (prefabWipFeaturesEnabled)
+                        if (prefabWipFeaturesEnabled && !s_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(selectedEntity))
                         {
-                            bool beingEdited = s_prefabFocusInterface->IsOwningPrefabBeingFocused(selectedEntity);
-
-                            if (!beingEdited)
-                            {
                                 QAction* editAction = menu->addAction(QObject::tr("Edit Prefab"));
                                 editAction->setToolTip(QObject::tr("Edit the prefab in focus mode."));
 
@@ -261,7 +255,6 @@ namespace AzToolsFramework
                                 });
 
                                 itemWasShown = true;
-                            }
                         }
 
                         // Save Prefab
@@ -317,7 +310,7 @@ namespace AzToolsFramework
 
         void PrefabIntegrationManager::OnEscape()
         {
-            s_prefabFocusInterface->FocusOnOwningPrefab(AZ::EntityId());
+            s_prefabFocusPublicInterface->FocusOnOwningPrefab(AZ::EntityId());
         }
 
         void PrefabIntegrationManager::HandleSourceFileType(AZStd::string_view sourceFilePath, AZ::EntityId parentId, AZ::Vector3 position) const
@@ -490,7 +483,7 @@ namespace AzToolsFramework
 
         void PrefabIntegrationManager::ContextMenu_EditPrefab(AZ::EntityId containerEntity)
         {
-            s_prefabFocusInterface->FocusOnOwningPrefab(containerEntity);
+            s_prefabFocusPublicInterface->FocusOnOwningPrefab(containerEntity);
         }
 
         void PrefabIntegrationManager::ContextMenu_SavePrefab(AZ::EntityId containerEntity)
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.h b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.h
index 6788af31e9..e8c10c150a 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabIntegrationManager.h
@@ -30,7 +30,7 @@ namespace AzToolsFramework
 
     namespace Prefab
     {
-        class PrefabFocusInterface;
+        class PrefabFocusPublicInterface;
         class PrefabLoaderInterface;
 
         //! Structure for saving/retrieving user settings related to prefab workflows.
@@ -144,7 +144,7 @@ namespace AzToolsFramework
 
             static ContainerEntityInterface* s_containerEntityInterface;
             static EditorEntityUiInterface* s_editorEntityUiInterface;
-            static PrefabFocusInterface* s_prefabFocusInterface;
+            static PrefabFocusPublicInterface* s_prefabFocusPublicInterface;
             static PrefabLoaderInterface* s_prefabLoaderInterface;
             static PrefabPublicInterface* s_prefabPublicInterface;
             static PrefabSystemComponentInterface* s_prefabSystemComponentInterface;
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.cpp
index 7d1f3485aa..00522b29dc 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.cpp
@@ -10,7 +10,7 @@
 
 #include <AzFramework/API/ApplicationAPI.h>
 
-#include <AzToolsFramework/Prefab/PrefabFocusInterface.h>
+#include <AzToolsFramework/Prefab/PrefabFocusPublicInterface.h>
 #include <AzToolsFramework/Prefab/PrefabPublicInterface.h>
 #include <AzToolsFramework/UI/Outliner/EntityOutlinerListModel.hxx>
 
@@ -35,10 +35,10 @@ namespace AzToolsFramework
             return;
         }
 
-        m_prefabFocusInterface = AZ::Interface<Prefab::PrefabFocusInterface>::Get();
-        if (m_prefabFocusInterface == nullptr)
+        m_prefabFocusPublicInterface = AZ::Interface<Prefab::PrefabFocusPublicInterface>::Get();
+        if (m_prefabFocusPublicInterface == nullptr)
         {
-            AZ_Assert(false, "PrefabUiHandler - could not get PrefabFocusInterface on PrefabUiHandler construction.");
+            AZ_Assert(false, "PrefabUiHandler - could not get PrefabFocusPublicInterface on PrefabUiHandler construction.");
             return;
         }
     }
@@ -83,7 +83,7 @@ namespace AzToolsFramework
 
     QIcon PrefabUiHandler::GenerateItemIcon(AZ::EntityId entityId) const
     {
-        if (m_prefabFocusInterface->IsOwningPrefabBeingFocused(entityId))
+        if (m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(entityId))
         {
             return QIcon(m_prefabEditIconPath);
         }
@@ -105,7 +105,7 @@ namespace AzToolsFramework
         const bool hasVisibleChildren = index.data(EntityOutlinerListModel::ExpandedRole).value<bool>() && index.model()->hasChildren(index);
 
         QColor backgroundColor = m_prefabCapsuleColor;
-        if (m_prefabFocusInterface->IsOwningPrefabBeingFocused(entityId))
+        if (m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(entityId))
         {
             backgroundColor = m_prefabCapsuleEditColor;
         }
@@ -191,7 +191,7 @@ namespace AzToolsFramework
         const bool isLastColumn = descendantIndex.column() == EntityOutlinerListModel::ColumnLockToggle;
 
         QColor borderColor = m_prefabCapsuleColor;
-        if (m_prefabFocusInterface->IsOwningPrefabBeingFocused(entityId))
+        if (m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(entityId))
         {
             borderColor = m_prefabCapsuleEditColor;
         }
@@ -329,7 +329,7 @@ namespace AzToolsFramework
         if (prefabWipFeaturesEnabled)
         {
             // Focus on this prefab
-            m_prefabFocusInterface->FocusOnOwningPrefab(entityId);
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(entityId);
         }
     }
 }
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.h b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.h
index bb7168f409..7c68d9fd95 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabUiHandler.h
@@ -15,7 +15,7 @@ namespace AzToolsFramework
 
     namespace Prefab
     {
-        class PrefabFocusInterface;
+        class PrefabFocusPublicInterface;
         class PrefabPublicInterface;
     };
 
@@ -39,7 +39,7 @@ namespace AzToolsFramework
         void OnDoubleClick(AZ::EntityId entityId) const override;
 
     private:
-        Prefab::PrefabFocusInterface* m_prefabFocusInterface = nullptr;
+        Prefab::PrefabFocusPublicInterface* m_prefabFocusPublicInterface = nullptr;
         Prefab::PrefabPublicInterface* m_prefabPublicInterface = nullptr;
 
         static bool IsLastVisibleChild(const QModelIndex& parent, const QModelIndex& child);
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.cpp
index 6b0de5dc53..21ada94184 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.cpp
@@ -8,7 +8,7 @@
 
 #include <AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.h>
 
-#include <AzToolsFramework/Prefab/PrefabFocusInterface.h>
+#include <AzToolsFramework/Prefab/PrefabFocusPublicInterface.h>
 
 namespace AzToolsFramework::Prefab
 {
@@ -31,8 +31,8 @@ namespace AzToolsFramework::Prefab
     void PrefabViewportFocusPathHandler::Initialize(AzQtComponents::BreadCrumbs* breadcrumbsWidget, QToolButton* backButton)
     {
         // Get reference to the PrefabFocusInterface handler
-        m_prefabFocusInterface = AZ::Interface<PrefabFocusInterface>::Get();
-        if (m_prefabFocusInterface == nullptr)
+        m_prefabFocusPublicInterface = AZ::Interface<PrefabFocusPublicInterface>::Get();
+        if (m_prefabFocusPublicInterface == nullptr)
         {
             AZ_Assert(false, "Prefab - could not get PrefabFocusInterface on PrefabViewportFocusPathHandler construction.");
             return;
@@ -46,7 +46,7 @@ namespace AzToolsFramework::Prefab
         connect(m_breadcrumbsWidget, &AzQtComponents::BreadCrumbs::linkClicked, this,
             [&](const QString&, int linkIndex)
             {
-                m_prefabFocusInterface->FocusOnPathIndex(m_editorEntityContextId, linkIndex);
+                m_prefabFocusPublicInterface->FocusOnPathIndex(m_editorEntityContextId, linkIndex);
             }
         );
 
@@ -54,9 +54,9 @@ namespace AzToolsFramework::Prefab
         connect(m_backButton, &QToolButton::clicked, this,
             [&]()
             {
-                if (int length = m_prefabFocusInterface->GetPrefabFocusPathLength(m_editorEntityContextId); length > 1)
+                if (int length = m_prefabFocusPublicInterface->GetPrefabFocusPathLength(m_editorEntityContextId); length > 1)
                 {
-                    m_prefabFocusInterface->FocusOnPathIndex(m_editorEntityContextId, length - 2);
+                    m_prefabFocusPublicInterface->FocusOnPathIndex(m_editorEntityContextId, length - 2);
                 }
             }
         );
@@ -65,7 +65,7 @@ namespace AzToolsFramework::Prefab
     void PrefabViewportFocusPathHandler::OnPrefabFocusChanged()
     {
         // Push new Path
-        m_breadcrumbsWidget->pushPath(m_prefabFocusInterface->GetPrefabFocusPath(m_editorEntityContextId).c_str());
+        m_breadcrumbsWidget->pushPath(m_prefabFocusPublicInterface->GetPrefabFocusPath(m_editorEntityContextId).c_str());
     }
 
 } // namespace AzToolsFramework::Prefab
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.h b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.h
index ce7744fb1b..a97db60e34 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/UI/Prefab/PrefabViewportFocusPathHandler.h
@@ -19,7 +19,7 @@
 
 namespace AzToolsFramework::Prefab
 {
-    class PrefabFocusInterface;
+    class PrefabFocusPublicInterface;
 
     class PrefabViewportFocusPathHandler
         : public PrefabFocusNotificationBus::Handler
@@ -40,6 +40,6 @@ namespace AzToolsFramework::Prefab
 
         AzFramework::EntityContextId m_editorEntityContextId = AzFramework::EntityContextId::CreateNull();
 
-        PrefabFocusInterface* m_prefabFocusInterface = nullptr;
+        PrefabFocusPublicInterface* m_prefabFocusPublicInterface = nullptr;
     };
 } // namespace AzToolsFramework::Prefab
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorTransformComponentSelection.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorTransformComponentSelection.cpp
index 6ee5c97636..d5a0595049 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorTransformComponentSelection.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorTransformComponentSelection.cpp
@@ -407,7 +407,7 @@ namespace AzToolsFramework
             const AzFramework::CameraState cameraState = GetCameraState(viewportId);
             for (size_t entityCacheIndex = 0; entityCacheIndex < entityDataCache.VisibleEntityDataCount(); ++entityCacheIndex)
             {
-                if (entityDataCache.IsVisibleEntityLocked(entityCacheIndex) || !entityDataCache.IsVisibleEntityVisible(entityCacheIndex))
+                if (!entityDataCache.IsVisibleEntitySelectableInViewport(entityCacheIndex))
                 {
                     continue;
                 }
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.cpp
index babc6f972c..328cfc3ae5 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.cpp
@@ -9,7 +9,9 @@
 #include "EditorVisibleEntityDataCache.h"
 
 #include <AzCore/std/sort.h>
+#include <AzToolsFramework/ContainerEntity/ContainerEntityInterface.h>
 #include <AzToolsFramework/Entity/EditorEntityModel.h>
+#include <AzToolsFramework/FocusMode/FocusModeInterface.h>
 #include <AzToolsFramework/Viewport/ViewportMessages.h>
 #include <Entity/EditorEntityHelpers.h>
 
@@ -21,13 +23,23 @@ namespace AzToolsFramework
         using ComponentEntityAccentType = Components::EditorSelectionAccentSystemComponent::ComponentEntityAccentType;
 
         EntityData() = default;
-        EntityData(AZ::EntityId entityId, const AZ::Transform& worldFromLocal, bool locked, bool visible, bool selected, bool iconHidden);
+        EntityData(
+            AZ::EntityId entityId,
+            const AZ::Transform& worldFromLocal,
+            bool locked,
+            bool visible,
+            bool inFocus,
+            bool descendantOfClosedContainer,
+            bool selected,
+            bool iconHidden);
 
         AZ::Transform m_worldFromLocal;
         AZ::EntityId m_entityId;
         ComponentEntityAccentType m_accent = ComponentEntityAccentType::None;
         bool m_locked = false;
         bool m_visible = true;
+        bool m_inFocus = true;
+        bool m_descendantOfClosedContainer = false;
         bool m_selected = false;
         bool m_iconHidden = false;
     };
@@ -57,12 +69,16 @@ namespace AzToolsFramework
         const AZ::Transform& worldFromLocal,
         const bool locked,
         const bool visible,
+        const bool inFocus,
+        const bool descendantOfClosedContainer,
         const bool selected,
         const bool iconHidden)
         : m_worldFromLocal(worldFromLocal)
         , m_entityId(entityId)
         , m_locked(locked)
         , m_visible(visible)
+        , m_inFocus(inFocus)
+        , m_descendantOfClosedContainer(descendantOfClosedContainer)
         , m_selected(selected)
         , m_iconHidden(iconHidden)
     {
@@ -106,6 +122,18 @@ namespace AzToolsFramework
         bool locked = false;
         EditorEntityInfoRequestBus::EventResult(locked, entityId, &EditorEntityInfoRequestBus::Events::IsLocked);
 
+        bool inFocus = false;
+        if (auto focusModeInterface = AZ::Interface<FocusModeInterface>::Get())
+        {
+            inFocus = focusModeInterface->IsInFocusSubTree(entityId);
+        }
+
+        bool descendantOfClosedContainer = false;
+        if (ContainerEntityInterface* containerEntityInterface = AZ::Interface<ContainerEntityInterface>::Get())
+        {
+            descendantOfClosedContainer = containerEntityInterface->IsUnderClosedContainerEntity(entityId);
+        }
+
         bool iconHidden = false;
         EditorEntityIconComponentRequestBus::EventResult(
             iconHidden, entityId, &EditorEntityIconComponentRequests::IsEntityIconHiddenInViewport);
@@ -113,7 +141,7 @@ namespace AzToolsFramework
         AZ::Transform worldFromLocal = AZ::Transform::CreateIdentity();
         AZ::TransformBus::EventResult(worldFromLocal, entityId, &AZ::TransformBus::Events::GetWorldTM);
 
-        return { entityId, worldFromLocal, locked, visible, IsSelected(entityId), iconHidden };
+        return { entityId, worldFromLocal, locked, visible, inFocus, descendantOfClosedContainer, IsSelected(entityId), iconHidden };
     }
 
     EditorVisibleEntityDataCache::EditorVisibleEntityDataCache()
@@ -126,10 +154,17 @@ namespace AzToolsFramework
         EntitySelectionEvents::Bus::Router::BusRouterConnect();
         EditorEntityIconComponentNotificationBus::Router::BusRouterConnect();
         ToolsApplicationNotificationBus::Handler::BusConnect();
+
+        AzFramework::EntityContextId editorEntityContextId = AzToolsFramework::GetEntityContextId();
+
+        ContainerEntityNotificationBus::Handler::BusConnect(editorEntityContextId);
+        FocusModeNotificationBus::Handler::BusConnect(editorEntityContextId);
     }
 
     EditorVisibleEntityDataCache::~EditorVisibleEntityDataCache()
     {
+        FocusModeNotificationBus::Handler::BusDisconnect();
+        ContainerEntityNotificationBus::Handler::BusDisconnect();
         ToolsApplicationNotificationBus::Handler::BusDisconnect();
         EditorEntityIconComponentNotificationBus::Router::BusRouterDisconnect();
         EntitySelectionEvents::Bus::Router::BusRouterDisconnect();
@@ -260,7 +295,10 @@ namespace AzToolsFramework
 
     bool EditorVisibleEntityDataCache::IsVisibleEntitySelectableInViewport(size_t index) const
     {
-        return m_impl->m_visibleEntityDatas[index].m_visible && !m_impl->m_visibleEntityDatas[index].m_locked;
+        return m_impl->m_visibleEntityDatas[index].m_visible
+            && !m_impl->m_visibleEntityDatas[index].m_locked
+            && m_impl->m_visibleEntityDatas[index].m_inFocus
+            && !m_impl->m_visibleEntityDatas[index].m_descendantOfClosedContainer;
     }
 
     AZStd::optional<size_t> EditorVisibleEntityDataCache::GetVisibleEntityIndexFromId(const AZ::EntityId entityId) const
@@ -371,4 +409,72 @@ namespace AzToolsFramework
             m_impl->m_visibleEntityDatas[entityIndex.value()].m_iconHidden = iconHidden;
         }
     }
+
+    void EditorVisibleEntityDataCache::OnContainerEntityStatusChanged(AZ::EntityId entityId, [[maybe_unused]] bool open)
+    {
+        // Get container descendants
+        AzToolsFramework::EntityIdList descendantIds;
+        AZ::TransformBus::EventResult(descendantIds, entityId, &AZ::TransformBus::Events::GetAllDescendants);
+
+        // Update cached values
+        if (auto containerEntityInterface = AZ::Interface<ContainerEntityInterface>::Get())
+        {
+            for (AZ::EntityId descendantId : descendantIds)
+            {
+                if (AZStd::optional<size_t> entityIndex = GetVisibleEntityIndexFromId(descendantId))
+                {
+                    m_impl->m_visibleEntityDatas[entityIndex.value()].m_descendantOfClosedContainer =
+                        containerEntityInterface->IsUnderClosedContainerEntity(descendantId);
+                }
+            }
+        }
+    }
+
+    void EditorVisibleEntityDataCache::OnEditorFocusChanged(AZ::EntityId previousFocusEntityId, AZ::EntityId newFocusEntityId)
+    {
+        if (previousFocusEntityId.IsValid() && newFocusEntityId.IsValid())
+        {
+            // Get previous focus root descendants
+            AzToolsFramework::EntityIdList previousDescendantIds;
+            AZ::TransformBus::EventResult(previousDescendantIds, previousFocusEntityId, &AZ::TransformBus::Events::GetAllDescendants);
+
+            // Get new focus root descendants
+            AzToolsFramework::EntityIdList newDescendantIds;
+            AZ::TransformBus::EventResult(newDescendantIds, newFocusEntityId, &AZ::TransformBus::Events::GetAllDescendants);
+
+            // Merge EntityId Lists to avoid refreshing values twice
+            AzToolsFramework::EntityIdSet descendantsSet;
+            descendantsSet.insert(previousFocusEntityId);
+            descendantsSet.insert(newFocusEntityId);
+            descendantsSet.insert(previousDescendantIds.begin(), previousDescendantIds.end());
+            descendantsSet.insert(newDescendantIds.begin(), newDescendantIds.end());
+
+            // Update cached values
+            if (auto focusModeInterface = AZ::Interface<FocusModeInterface>::Get())
+            {
+                for (const AZ::EntityId& descendantId : descendantsSet)
+                {
+                    if (AZStd::optional<size_t> entityIndex = GetVisibleEntityIndexFromId(descendantId))
+                    {
+                        m_impl->m_visibleEntityDatas[entityIndex.value()].m_inFocus = focusModeInterface->IsInFocusSubTree(descendantId);
+                    }
+                }
+            }
+        }
+        else
+        {
+            // If either focus was the invalid entity, refresh all entities.
+            if (auto focusModeInterface = AZ::Interface<FocusModeInterface>::Get())
+            {
+                for (size_t entityIndex = 0; entityIndex < m_impl->m_visibleEntityDatas.size(); ++entityIndex)
+                {
+                    if (AZ::EntityId descendantId = GetVisibleEntityId(entityIndex); descendantId.IsValid())
+                    {
+                        m_impl->m_visibleEntityDatas[entityIndex].m_inFocus = focusModeInterface->IsInFocusSubTree(descendantId);
+                    }
+                }
+            }
+        }
+    }
+
 } // namespace AzToolsFramework
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.h b/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.h
index b34defc25b..16fa1b6d14 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.h
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/EditorVisibleEntityDataCache.h
@@ -11,6 +11,8 @@
 #include <AzCore/Component/TransformBus.h>
 #include <AzCore/std/optional.h>
 #include <AzToolsFramework/API/ComponentEntitySelectionBus.h>
+#include <AzToolsFramework/ContainerEntity/ContainerEntityNotificationBus.h>
+#include <AzToolsFramework/FocusMode/FocusModeNotificationBus.h>
 #include <AzToolsFramework/ToolsComponents/EditorEntityIconComponentBus.h>
 #include <AzToolsFramework/ToolsComponents/EditorLockComponentBus.h>
 #include <AzToolsFramework/ToolsComponents/EditorSelectionAccentSystemComponent.h>
@@ -28,6 +30,8 @@ namespace AzToolsFramework
         , private EntitySelectionEvents::Bus::Router
         , private EditorEntityIconComponentNotificationBus::Router
         , private ToolsApplicationNotificationBus::Handler
+        , private ContainerEntityNotificationBus::Handler
+        , private FocusModeNotificationBus::Handler
     {
     public:
         EditorVisibleEntityDataCache();
@@ -58,28 +62,34 @@ namespace AzToolsFramework
         void AddEntityIds(const EntityIdList& entityIds);
 
     private:
-        // ToolsApplicationNotificationBus
+        // ToolsApplicationNotificationBus overrides ...
         void AfterUndoRedo() override;
 
-        // EditorEntityVisibilityNotificationBus
+        // EditorEntityVisibilityNotificationBus overrides ...
         void OnEntityVisibilityChanged(bool visibility) override;
 
-        // EditorEntityLockComponentNotificationBus
+        // EditorEntityLockComponentNotificationBus overrides ...
         void OnEntityLockChanged(bool locked) override;
 
-        // TransformNotificationBus
+        // TransformNotificationBus overrides ...
         void OnTransformChanged(const AZ::Transform& local, const AZ::Transform& world) override;
 
-        // EditorComponentSelectionNotificationsBus
+        // EditorComponentSelectionNotificationsBus overrides ...
         void OnAccentTypeChanged(EntityAccentType accent) override;
 
-        // EntitySelectionEvents::Bus
+        // EntitySelectionEvents::Bus overrides ...
         void OnSelected() override;
         void OnDeselected() override;
 
-        // EditorEntityIconComponentNotificationBus
+        // EditorEntityIconComponentNotificationBus overrides ...
         void OnEntityIconChanged(const AZ::Data::AssetId& entityIconAssetId) override;
 
+        // ContainerEntityNotificationBus overrides ...
+        void OnContainerEntityStatusChanged(AZ::EntityId entityId, bool open) override;
+
+        // FocusModeNotificationBus overrides ...
+        void OnEditorFocusChanged(AZ::EntityId previousFocusEntityId, AZ::EntityId newFocusEntityId) override;
+
         class EditorVisibleEntityDataCacheImpl;
         AZStd::unique_ptr<EditorVisibleEntityDataCacheImpl> m_impl; //!< Internal representation of entity data cache.
     };
diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake b/Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake
index 37559564db..8dec7ab611 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake
@@ -646,6 +646,9 @@ set(FILES
     Prefab/PrefabFocusHandler.cpp
     Prefab/PrefabFocusInterface.h
     Prefab/PrefabFocusNotificationBus.h
+    Prefab/PrefabFocusPublicInterface.h
+    Prefab/PrefabFocusUndo.h
+    Prefab/PrefabFocusUndo.cpp
     Prefab/PrefabIdTypes.h
     Prefab/PrefabLoader.h
     Prefab/PrefabLoader.cpp
diff --git a/Code/Framework/AzToolsFramework/Tests/Prefab/PrefabFocus/PrefabFocusTests.cpp b/Code/Framework/AzToolsFramework/Tests/Prefab/PrefabFocus/PrefabFocusTests.cpp
index 72489b07a1..86c73e72e5 100644
--- a/Code/Framework/AzToolsFramework/Tests/Prefab/PrefabFocus/PrefabFocusTests.cpp
+++ b/Code/Framework/AzToolsFramework/Tests/Prefab/PrefabFocus/PrefabFocusTests.cpp
@@ -10,6 +10,7 @@
 #include <AzToolsFramework/Entity/EditorEntityHelpers.h>
 #include <AzToolsFramework/Entity/PrefabEditorEntityOwnershipInterface.h>
 #include <AzToolsFramework/Prefab/PrefabFocusInterface.h>
+#include <AzToolsFramework/Prefab/PrefabFocusPublicInterface.h>
 #include <Prefab/PrefabTestFixture.h>
 
 namespace UnitTest
@@ -72,6 +73,9 @@ namespace UnitTest
             m_prefabFocusInterface = AZ::Interface<PrefabFocusInterface>::Get();
             ASSERT_TRUE(m_prefabFocusInterface != nullptr);
 
+            m_prefabFocusPublicInterface = AZ::Interface<PrefabFocusPublicInterface>::Get();
+            ASSERT_TRUE(m_prefabFocusPublicInterface != nullptr);
+
             AzToolsFramework::EditorEntityContextRequestBus::BroadcastResult(
                 m_editorEntityContextId, &AzToolsFramework::EditorEntityContextRequestBus::Events::GetEditorEntityContextId);
 
@@ -91,6 +95,7 @@ namespace UnitTest
         AZStd::unique_ptr<AzToolsFramework::Prefab::Instance> m_rootInstance;
 
         PrefabFocusInterface* m_prefabFocusInterface = nullptr;
+        PrefabFocusPublicInterface* m_prefabFocusPublicInterface = nullptr;
         AzFramework::EntityContextId m_editorEntityContextId = AzFramework::EntityContextId::CreateNull();
 
         inline static const char* CityEntityName = "City";
@@ -105,7 +110,7 @@ namespace UnitTest
     {
         // Verify FocusOnOwningPrefab works when passing the container entity of the root prefab.
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_instanceMap[CityEntityName]->GetContainerEntityId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_instanceMap[CityEntityName]->GetContainerEntityId());
             EXPECT_EQ(
                 m_prefabFocusInterface->GetFocusedPrefabTemplateId(m_editorEntityContextId),
                 m_instanceMap[CityEntityName]->GetTemplateId());
@@ -120,7 +125,7 @@ namespace UnitTest
     {
         // Verify FocusOnOwningPrefab works when passing a nested entity of the root prefab.
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_entityMap[CityEntityName]->GetId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_entityMap[CityEntityName]->GetId());
             EXPECT_EQ(
                 m_prefabFocusInterface->GetFocusedPrefabTemplateId(m_editorEntityContextId),
                 m_instanceMap[CityEntityName]->GetTemplateId());
@@ -135,7 +140,7 @@ namespace UnitTest
     {
         // Verify FocusOnOwningPrefab works when passing the container entity of a nested prefab.
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_instanceMap[CarEntityName]->GetContainerEntityId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_instanceMap[CarEntityName]->GetContainerEntityId());
             EXPECT_EQ(
                 m_prefabFocusInterface->GetFocusedPrefabTemplateId(m_editorEntityContextId), m_instanceMap[CarEntityName]->GetTemplateId());
 
@@ -149,7 +154,7 @@ namespace UnitTest
     {
         // Verify FocusOnOwningPrefab works when passing a nested entity of the a nested prefab.
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_entityMap[Passenger1EntityName]->GetId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_entityMap[Passenger1EntityName]->GetId());
             EXPECT_EQ(
                 m_prefabFocusInterface->GetFocusedPrefabTemplateId(m_editorEntityContextId), m_instanceMap[CarEntityName]->GetTemplateId());
 
@@ -169,7 +174,7 @@ namespace UnitTest
                 prefabEditorEntityOwnershipInterface->GetRootPrefabInstance();
             EXPECT_TRUE(rootPrefabInstance.has_value());
 
-            m_prefabFocusInterface->FocusOnOwningPrefab(AZ::EntityId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(AZ::EntityId());
             EXPECT_EQ(
                 m_prefabFocusInterface->GetFocusedPrefabTemplateId(m_editorEntityContextId), rootPrefabInstance->get().GetTemplateId());
 
@@ -183,10 +188,10 @@ namespace UnitTest
     {
         // Verify IsOwningPrefabBeingFocused returns true for all entities in a focused prefab (container/nested)
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_instanceMap[CityEntityName]->GetContainerEntityId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_instanceMap[CityEntityName]->GetContainerEntityId());
 
-            EXPECT_TRUE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_instanceMap[CityEntityName]->GetContainerEntityId()));
-            EXPECT_TRUE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_entityMap[CityEntityName]->GetId()));
+            EXPECT_TRUE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_instanceMap[CityEntityName]->GetContainerEntityId()));
+            EXPECT_TRUE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_entityMap[CityEntityName]->GetId()));
         }
     }
 
@@ -194,13 +199,13 @@ namespace UnitTest
     {
         // Verify IsOwningPrefabBeingFocused returns false for all entities not in a focused prefab (ancestors/descendants)
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_instanceMap[StreetEntityName]->GetContainerEntityId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_instanceMap[StreetEntityName]->GetContainerEntityId());
 
-            EXPECT_TRUE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_instanceMap[StreetEntityName]->GetContainerEntityId()));
-            EXPECT_FALSE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_instanceMap[CityEntityName]->GetContainerEntityId()));
-            EXPECT_FALSE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_entityMap[CityEntityName]->GetId()));
-            EXPECT_FALSE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_instanceMap[CarEntityName]->GetContainerEntityId()));
-            EXPECT_FALSE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_entityMap[Passenger1EntityName]->GetId()));
+            EXPECT_TRUE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_instanceMap[StreetEntityName]->GetContainerEntityId()));
+            EXPECT_FALSE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_instanceMap[CityEntityName]->GetContainerEntityId()));
+            EXPECT_FALSE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_entityMap[CityEntityName]->GetId()));
+            EXPECT_FALSE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_instanceMap[CarEntityName]->GetContainerEntityId()));
+            EXPECT_FALSE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_entityMap[Passenger1EntityName]->GetId()));
         }
     }
 
@@ -208,12 +213,12 @@ namespace UnitTest
     {
         // Verify IsOwningPrefabBeingFocused returns false for all entities not in a focused prefab (siblings)
         {
-            m_prefabFocusInterface->FocusOnOwningPrefab(m_instanceMap[SportsCarEntityName]->GetContainerEntityId());
+            m_prefabFocusPublicInterface->FocusOnOwningPrefab(m_instanceMap[SportsCarEntityName]->GetContainerEntityId());
 
-            EXPECT_TRUE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_instanceMap[SportsCarEntityName]->GetContainerEntityId()));
-            EXPECT_TRUE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_entityMap[Passenger2EntityName]->GetId()));
-            EXPECT_FALSE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_instanceMap[CarEntityName]->GetContainerEntityId()));
-            EXPECT_FALSE(m_prefabFocusInterface->IsOwningPrefabBeingFocused(m_entityMap[Passenger1EntityName]->GetId()));
+            EXPECT_TRUE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_instanceMap[SportsCarEntityName]->GetContainerEntityId()));
+            EXPECT_TRUE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_entityMap[Passenger2EntityName]->GetId()));
+            EXPECT_FALSE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_instanceMap[CarEntityName]->GetContainerEntityId()));
+            EXPECT_FALSE(m_prefabFocusPublicInterface->IsOwningPrefabBeingFocused(m_entityMap[Passenger1EntityName]->GetId()));
         }
     }
 
diff --git a/Code/Legacy/CrySystem/CMakeLists.txt b/Code/Legacy/CrySystem/CMakeLists.txt
index 4c1f0d9b82..ebfc866f4a 100644
--- a/Code/Legacy/CrySystem/CMakeLists.txt
+++ b/Code/Legacy/CrySystem/CMakeLists.txt
@@ -27,7 +27,7 @@ ly_add_target(
             3rdParty::expat
             3rdParty::lz4
             3rdParty::md5
-            3rdParty::tiff
+            3rdParty::TIFF
             3rdParty::zstd
             Legacy::CryCommon
             Legacy::CrySystem.XMLBinary
diff --git a/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp b/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp
index 6f07901e27..69397745f1 100644
--- a/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp
+++ b/Code/Tools/AssetProcessor/native/tests/platformconfiguration/platformconfigurationtests.cpp
@@ -590,20 +590,22 @@ TEST_F(PlatformConfigurationUnitTests, Test_GemHandling)
 
     AssetUtilities::ResetAssetRoot();
 
-    ASSERT_EQ(2, config.GetScanFolderCount());
+    ASSERT_EQ(4, config.GetScanFolderCount());
     EXPECT_FALSE(config.GetScanFolderAt(0).IsRoot());
     EXPECT_TRUE(config.GetScanFolderAt(0).RecurseSubFolders());
     // the first one is a game gem, so its order should be above 1 but below 100.
     EXPECT_GE(config.GetScanFolderAt(0).GetOrder(), 100);
     EXPECT_EQ(0, config.GetScanFolderAt(0).ScanPath().compare(expectedScanFolder, Qt::CaseInsensitive));
 
-    // for each gem, there are currently 1 scan folder, the gem assets folder, with no output prefix
+    // for each gem, there are currently 2 scan folders:
+    // The Gem's 'Assets' folder
+    // The Gem's 'Registry' folder
 
     expectedScanFolder = tempPath.absoluteFilePath("Gems/LmbrCentral/v2/Assets");
-    EXPECT_FALSE(config.GetScanFolderAt(1).IsRoot() );
-    EXPECT_TRUE(config.GetScanFolderAt(1).RecurseSubFolders());
-    EXPECT_GT(config.GetScanFolderAt(1).GetOrder(), config.GetScanFolderAt(0).GetOrder());
-    EXPECT_EQ(0, config.GetScanFolderAt(1).ScanPath().compare(expectedScanFolder, Qt::CaseInsensitive));
+    EXPECT_FALSE(config.GetScanFolderAt(2).IsRoot() );
+    EXPECT_TRUE(config.GetScanFolderAt(2).RecurseSubFolders());
+    EXPECT_GT(config.GetScanFolderAt(2).GetOrder(), config.GetScanFolderAt(0).GetOrder());
+    EXPECT_EQ(0, config.GetScanFolderAt(2).ScanPath().compare(expectedScanFolder, Qt::CaseInsensitive));
 }
 
 TEST_F(PlatformConfigurationUnitTests, Test_MetaFileTypes)
diff --git a/Code/Tools/AssetProcessor/native/utilities/PlatformConfiguration.cpp b/Code/Tools/AssetProcessor/native/utilities/PlatformConfiguration.cpp
index 52df8e901d..4a033cf6ca 100644
--- a/Code/Tools/AssetProcessor/native/utilities/PlatformConfiguration.cpp
+++ b/Code/Tools/AssetProcessor/native/utilities/PlatformConfiguration.cpp
@@ -1582,6 +1582,24 @@ namespace AssetProcessor
                     gemOrder,
                     /*scanFolderId*/ 0,
                     /*canSaveNewAssets*/ true)); // Users can create assets like slices in Gem asset folders.
+
+                // Now add another scan folder on Gem/GemName/Registry...
+                gemFolder = gemDir.absoluteFilePath(AzFramework::GemInfo::GetGemRegistryFolder());
+                gemFolder = AssetUtilities::NormalizeDirectoryPath(gemFolder);
+
+                assetBrowserDisplayName = AzFramework::GemInfo::GetGemRegistryFolder();
+                portableKey = QString("gemregistry-%1").arg(gemNameAsUuid);
+                gemOrder++;
+
+                AZ_TracePrintf(AssetProcessor::DebugChannel, "Adding GEM registry folder for monitoring / scanning: %s.\n", gemFolder.toUtf8().data());
+                AddScanFolder(ScanFolderInfo(
+                    gemFolder,
+                    assetBrowserDisplayName,
+                    portableKey,
+                    isRoot,
+                    isRecursive,
+                    platforms,
+                    gemOrder));
             }
         }
     }
diff --git a/Code/Tools/ProjectManager/Resources/Download.svg b/Code/Tools/ProjectManager/Resources/Download.svg
new file mode 100644
index 0000000000..c2b0c2ce3c
--- /dev/null
+++ b/Code/Tools/ProjectManager/Resources/Download.svg
@@ -0,0 +1,3 @@
+<svg width="16" height="11" viewBox="0 0 16 11" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11.7872 2.91865C11.4965 1.25029 10.0476 0 8.31169 0C6.91408 0 5.66005 0.823481 5.09382 2.08042C5.05787 2.07875 5.02234 2.07792 4.98701 2.07792C3.81195 2.07792 2.7921 2.8241 2.42743 3.92062C0.986389 4.39377 0 5.73881 0 7.27273C0 9.22057 1.58462 10.8052 3.53247 10.8052H12.0519C14.229 10.8052 16 9.03418 16 6.85714C16 4.59242 14.085 2.75595 11.7872 2.91865ZM8.31169 9.35065L5.61039 6.44156H7.27273V4.57143H9.35065V6.44156H11.013L8.31169 9.35065Z" fill="#E4E8EB"/>
+</svg>
diff --git a/Code/Tools/ProjectManager/Resources/ProjectManager.qrc b/Code/Tools/ProjectManager/Resources/ProjectManager.qrc
index 30bcc1ace5..aeaf9a9248 100644
--- a/Code/Tools/ProjectManager/Resources/ProjectManager.qrc
+++ b/Code/Tools/ProjectManager/Resources/ProjectManager.qrc
@@ -34,9 +34,11 @@
         <file>Warning.svg</file>
         <file>Backgrounds/DefaultBackground.jpg</file>
         <file>Backgrounds/FtueBackground.jpg</file>
-        <file>FeatureTagClose.svg</file>
+        <file>X.svg</file>
         <file>Refresh.svg</file>
         <file>Edit.svg</file>
         <file>Delete.svg</file>
+        <file>Download.svg</file>
+        <file>in_progress.gif</file>
     </qresource>
 </RCC>
diff --git a/Code/Tools/ProjectManager/Resources/FeatureTagClose.svg b/Code/Tools/ProjectManager/Resources/X.svg
similarity index 100%
rename from Code/Tools/ProjectManager/Resources/FeatureTagClose.svg
rename to Code/Tools/ProjectManager/Resources/X.svg
diff --git a/Code/Tools/ProjectManager/Resources/in_progress.gif b/Code/Tools/ProjectManager/Resources/in_progress.gif
new file mode 100644
index 0000000000..eb392a9b89
--- /dev/null
+++ b/Code/Tools/ProjectManager/Resources/in_progress.gif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:64985a78205da45f4bb92b040c348d96fe7cd7277549c1f79c430469a0d3bab7
+size 166393
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemFilterTagWidget.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemFilterTagWidget.cpp
index 138880f44e..69a883d169 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemFilterTagWidget.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemFilterTagWidget.cpp
@@ -33,7 +33,7 @@ namespace O3DE::ProjectManager
 
         m_closeButton = new QPushButton();
         m_closeButton->setFlat(true);
-        m_closeButton->setIcon(QIcon(":/FeatureTagClose.svg"));
+        m_closeButton->setIcon(QIcon(":/X.svg"));
         m_closeButton->setIconSize(QSize(12, 12));
         m_closeButton->setStyleSheet("QPushButton { background-color: transparent; border: 0px }");
         layout->addWidget(m_closeButton);
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.cpp
index 771d644617..cbdcf64162 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.cpp
@@ -8,6 +8,8 @@
 
 #include "GemInfo.h"
 
+#include <QObject>
+
 namespace O3DE::ProjectManager
 {
     GemInfo::GemInfo(const QString& name, const QString& creator, const QString& summary, Platforms platforms, bool isAdded)
@@ -29,17 +31,17 @@ namespace O3DE::ProjectManager
         switch (platform)
         {
         case Android:
-            return "Android";
+            return QObject::tr("Android");
         case iOS:
-            return "iOS";
+            return QObject::tr("iOS");
         case Linux:
-            return "Linux";
+            return QObject::tr("Linux");
         case macOS:
-            return "macOS";
+            return QObject::tr("macOS");
         case Windows:
-            return "Windows";
+            return QObject::tr("Windows");
         default:
-            return "<Unknown Platform>";
+            return QObject::tr("<Unknown Platform>");
         }
     }
 
@@ -48,13 +50,13 @@ namespace O3DE::ProjectManager
         switch (type)
         {
         case Asset:
-            return "Asset";
+            return QObject::tr("Asset");
         case Code:
-            return "Code";
+            return QObject::tr("Code");
         case Tool:
-            return "Tool";
+            return QObject::tr("Tool");
         default:
-            return "<Unknown Type>";
+            return QObject::tr("<Unknown Type>");
         }
     }
 
@@ -62,15 +64,33 @@ namespace O3DE::ProjectManager
     {
         switch (origin)
         {
-        case Open3DEEngine:
-            return "Open 3D Engine";
+        case Open3DEngine:
+            return QObject::tr("Open 3D Engine");
         case Local:
-            return "Local";
+            return QObject::tr("Local");
+        case Remote:
+            return QObject::tr("Remote");
         default:
-            return "<Unknown Gem Origin>";
+            return QObject::tr("<Unknown Gem Origin>");
         }
     }
 
+    QString GemInfo::GetDownloadStatusString(DownloadStatus status)
+    {
+        switch (status)
+        {
+        case NotDownloaded:
+            return QObject::tr("Not Downloaded");
+        case Downloading:
+            return QObject::tr("Downloading");
+        case Downloaded:
+            return QObject::tr("Downloaded");
+        case UnknownDownloadStatus:
+        default:
+            return QObject::tr("<Unknown Download Status>");
+        }
+    };
+
     bool GemInfo::IsPlatformSupported(Platform platform) const
     {
         return (m_platforms & platform);
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.h
index 311eeb93f6..8c6d40505a 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemInfo.h
@@ -44,13 +44,23 @@ namespace O3DE::ProjectManager
 
         enum GemOrigin
         {
-            Open3DEEngine = 1 << 0,
+            Open3DEngine = 1 << 0,
             Local = 1 << 1,
-            NumGemOrigins = 2
+            Remote = 1 << 2,
+            NumGemOrigins = 3
         };
         Q_DECLARE_FLAGS(GemOrigins, GemOrigin)
         static QString GetGemOriginString(GemOrigin origin);
 
+        enum DownloadStatus
+        {
+            UnknownDownloadStatus = -1,
+            NotDownloaded,
+            Downloading,
+            Downloaded,
+        };
+        static QString GetDownloadStatusString(DownloadStatus status);
+
         GemInfo() = default;
         GemInfo(const QString& name, const QString& creator, const QString& summary, Platforms platforms, bool isAdded);
         bool IsPlatformSupported(Platform platform) const;
@@ -68,6 +78,7 @@ namespace O3DE::ProjectManager
         QString m_summary = "No summary provided.";
         Platforms m_platforms;
         Types m_types; //! Asset and/or Code and/or Tool
+        DownloadStatus m_downloadStatus = UnknownDownloadStatus;
         QStringList m_features;
         QString m_requirement;
         QString m_directoryLink;
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.cpp
index 2c7f17db32..e15c4b3b39 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.cpp
@@ -10,6 +10,7 @@
 #include <GemCatalog/GemModel.h>
 #include <GemCatalog/GemSortFilterProxyModel.h>
 #include <AzCore/std/smart_ptr/unique_ptr.h>
+
 #include <QEvent>
 #include <QAbstractItemView>
 #include <QPainter>
@@ -20,6 +21,7 @@
 #include <QTextDocument>
 #include <QAbstractTextDocumentLayout>
 #include <QDesktopServices>
+#include <QMovie>
 
 namespace O3DE::ProjectManager
 {
@@ -32,6 +34,11 @@ namespace O3DE::ProjectManager
         AddPlatformIcon(GemInfo::Linux, ":/Linux.svg");
         AddPlatformIcon(GemInfo::macOS, ":/macOS.svg");
         AddPlatformIcon(GemInfo::Windows, ":/Windows.svg");
+
+        SetStatusIcon(m_notDownloadedPixmap, ":/Download.svg");
+        SetStatusIcon(m_unknownStatusPixmap, ":/X.svg");
+
+        m_downloadingMovie = new QMovie(":/in_progress.gif");
     }
 
     void GemItemDelegate::AddPlatformIcon(GemInfo::Platform platform, const QString& iconPath)
@@ -41,6 +48,25 @@ namespace O3DE::ProjectManager
         m_platformIcons.insert(platform, QIcon(iconPath).pixmap(static_cast<int>(static_cast<qreal>(s_platformIconSize) * aspectRatio), s_platformIconSize));
     }
 
+    void GemItemDelegate::SetStatusIcon(QPixmap& m_iconPixmap, const QString& iconPath)
+    {
+        QPixmap pixmap(iconPath);
+        float aspectRatio = static_cast<float>(pixmap.width()) / pixmap.height();
+        int xScaler = s_statusIconSize;
+        int yScaler = s_statusIconSize;
+
+        if (aspectRatio > 1.0f)
+        {
+            yScaler = static_cast<int>(1.0f / aspectRatio * s_statusIconSize);
+        }
+        else if (aspectRatio < 1.0f)
+        {
+            xScaler = static_cast<int>(aspectRatio * s_statusIconSize);
+        }
+
+        m_iconPixmap = QPixmap(QIcon(iconPath).pixmap(xScaler, yScaler));
+    }
+
     void GemItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& modelIndex) const
     {
         if (!modelIndex.isValid())
@@ -56,6 +82,8 @@ namespace O3DE::ProjectManager
         QRect fullRect, itemRect, contentRect;
         CalcRects(options, fullRect, itemRect, contentRect);
 
+        QRect buttonRect = CalcButtonRect(contentRect);
+
         QFont standardFont(options.font);
         standardFont.setPixelSize(static_cast<int>(s_fontSize));
         QFontMetrics standardFontMetrics(standardFont);
@@ -114,7 +142,8 @@ namespace O3DE::ProjectManager
         const QRect summaryRect = CalcSummaryRect(contentRect, hasTags);
         DrawText(summary, painter, summaryRect, standardFont);
 
-        DrawButton(painter, contentRect, modelIndex);
+        DrawDownloadStatusIcon(painter, contentRect, buttonRect, modelIndex);
+        DrawButton(painter, buttonRect, modelIndex);
         DrawPlatformIcons(painter, contentRect, modelIndex);
         DrawFeatureTags(painter, contentRect, featureTags, standardFont, summaryRect);
 
@@ -270,7 +299,7 @@ namespace O3DE::ProjectManager
 
     QRect GemItemDelegate::CalcButtonRect(const QRect& contentRect) const
     {
-        const QPoint topLeft = QPoint(contentRect.right() - s_buttonWidth - s_itemMargins.right(), contentRect.top() + contentRect.height() / 2 - s_buttonHeight / 2);
+        const QPoint topLeft = QPoint(contentRect.right() - s_buttonWidth, contentRect.center().y() - s_buttonHeight / 2);
         const QSize size = QSize(s_buttonWidth, s_buttonHeight);
         return QRect(topLeft, size);
     }
@@ -378,10 +407,9 @@ namespace O3DE::ProjectManager
         painter->restore();
     }
 
-    void GemItemDelegate::DrawButton(QPainter* painter, const QRect& contentRect, const QModelIndex& modelIndex) const
+    void GemItemDelegate::DrawButton(QPainter* painter, const QRect& buttonRect, const QModelIndex& modelIndex) const
     {
         painter->save();
-        const QRect buttonRect = CalcButtonRect(contentRect);
         QPoint circleCenter;
 
         if (GemModel::IsAdded(modelIndex))
@@ -427,4 +455,45 @@ namespace O3DE::ProjectManager
 
         return QString();
     }
+
+    void GemItemDelegate::DrawDownloadStatusIcon(QPainter* painter, const QRect& contentRect, const QRect& buttonRect, const QModelIndex& modelIndex) const
+    {
+        const GemInfo::DownloadStatus downloadStatus = GemModel::GetDownloadStatus(modelIndex);
+
+        // Show no icon if gem is already downloaded
+        if (downloadStatus == GemInfo::DownloadStatus::Downloaded)
+        {
+            return;
+        }
+
+        QPixmap currentFrame;
+        const QPixmap* statusPixmap;
+        if (downloadStatus == GemInfo::DownloadStatus::Downloading)
+        {
+            if (m_downloadingMovie->state() != QMovie::Running)
+            {
+                m_downloadingMovie->start();
+                emit MovieStartedPlaying(m_downloadingMovie);
+            }
+
+            currentFrame = m_downloadingMovie->currentPixmap();
+            currentFrame = currentFrame.scaled(s_statusIconSize, s_statusIconSize);
+            statusPixmap = &currentFrame;
+        }
+        else if (downloadStatus == GemInfo::DownloadStatus::NotDownloaded)
+        {
+            statusPixmap = &m_notDownloadedPixmap;
+        }
+        else
+        {
+            statusPixmap = &m_unknownStatusPixmap;
+        }
+
+        QSize statusSize = statusPixmap->size();
+
+        painter->drawPixmap(
+            buttonRect.left() - s_statusButtonSpacing - statusSize.width(),
+            contentRect.center().y() - statusSize.height() / 2,
+            *statusPixmap);
+    }
 } // namespace O3DE::ProjectManager
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.h
index 52b5a4f58e..c013be0d9e 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemItemDelegate.h
@@ -49,13 +49,13 @@ namespace O3DE::ProjectManager
 
         // Margin and borders
         inline constexpr static QMargins s_itemMargins = QMargins(/*left=*/16, /*top=*/8, /*right=*/16, /*bottom=*/8); // Item border distances
-        inline constexpr static QMargins s_contentMargins = QMargins(/*left=*/20, /*top=*/12, /*right=*/15, /*bottom=*/12); // Distances of the elements within an item to the item borders
+        inline constexpr static QMargins s_contentMargins = QMargins(/*left=*/20, /*top=*/12, /*right=*/20, /*bottom=*/12); // Distances of the elements within an item to the item borders
         inline constexpr static int s_borderWidth = 4;
 
         // Button
-        inline constexpr static int s_buttonWidth = 55;
-        inline constexpr static int s_buttonHeight = 18;
-        inline constexpr static int s_buttonBorderRadius = 9;
+        inline constexpr static int s_buttonWidth = 32;
+        inline constexpr static int s_buttonHeight = 16;
+        inline constexpr static int s_buttonBorderRadius = s_buttonHeight / 2;
         inline constexpr static int s_buttonCircleRadius = s_buttonBorderRadius - 2;
         inline constexpr static qreal s_buttonFontSize = 10.0;
 
@@ -65,6 +65,9 @@ namespace O3DE::ProjectManager
         inline constexpr static int s_featureTagBorderMarginY = 3;
         inline constexpr static int s_featureTagSpacing = 7;
 
+    signals:
+        void MovieStartedPlaying(const QMovie* playingMovie) const;
+
     protected:
         bool editorEvent(QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& modelIndex) override;
         bool helpEvent(QHelpEvent* event, QAbstractItemView* view, const QStyleOptionViewItem& option, const QModelIndex& index) override;
@@ -74,9 +77,10 @@ namespace O3DE::ProjectManager
         QRect CalcButtonRect(const QRect& contentRect) const;
         QRect CalcSummaryRect(const QRect& contentRect, bool hasTags) const;
         void DrawPlatformIcons(QPainter* painter, const QRect& contentRect, const QModelIndex& modelIndex) const;
-        void DrawButton(QPainter* painter, const QRect& contentRect, const QModelIndex& modelIndex) const;
+        void DrawButton(QPainter* painter, const QRect& buttonRect, const QModelIndex& modelIndex) const;
         void DrawFeatureTags(QPainter* painter, const QRect& contentRect, const QStringList& featureTags, const QFont& standardFont, const QRect& summaryRect) const;
         void DrawText(const QString& text, QPainter* painter, const QRect& rect, const QFont& standardFont) const;
+        void DrawDownloadStatusIcon(QPainter* painter, const QRect& contentRect, const QRect& buttonRect, const QModelIndex& modelIndex) const;
 
         QAbstractItemModel* m_model = nullptr;
 
@@ -85,5 +89,14 @@ namespace O3DE::ProjectManager
         void AddPlatformIcon(GemInfo::Platform platform, const QString& iconPath);
         inline constexpr static int s_platformIconSize = 12;
         QHash<GemInfo::Platform, QPixmap> m_platformIcons;
+
+        // Status icons
+        void SetStatusIcon(QPixmap& m_iconPixmap, const QString& iconPath);
+        inline constexpr static int s_statusIconSize = 16;
+        inline constexpr static int s_statusButtonSpacing = 5;
+
+        QPixmap m_unknownStatusPixmap;
+        QPixmap m_notDownloadedPixmap;
+        QMovie* m_downloadingMovie = nullptr;
     };
 } // namespace O3DE::ProjectManager
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemListHeaderWidget.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemListHeaderWidget.cpp
index ab51c7511c..10ff31f33b 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemListHeaderWidget.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemListHeaderWidget.cpp
@@ -103,11 +103,11 @@ namespace O3DE::ProjectManager
         QSpacerItem* horizontalSpacer = new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum);
         columnHeaderLayout->addSpacerItem(horizontalSpacer);
 
-        QLabel* gemSelectedLabel = new QLabel(tr("Selected"));
+        QLabel* gemSelectedLabel = new QLabel(tr("Status"));
         gemSelectedLabel->setObjectName("GemCatalogHeaderLabel");
         columnHeaderLayout->addWidget(gemSelectedLabel);
 
-        columnHeaderLayout->addSpacing(65);
+        columnHeaderLayout->addSpacing(72);
 
         vLayout->addLayout(columnHeaderLayout);
     }
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemListView.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemListView.cpp
index f5b54a364b..cfdf7fa5b3 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemListView.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemListView.cpp
@@ -9,6 +9,8 @@
 #include <GemCatalog/GemListView.h>
 #include <GemCatalog/GemItemDelegate.h>
 
+#include <QMovie>
+
 namespace O3DE::ProjectManager
 {
     GemListView::GemListView(QAbstractItemModel* model, QItemSelectionModel* selectionModel, QWidget* parent)
@@ -19,6 +21,17 @@ namespace O3DE::ProjectManager
 
         setModel(model);
         setSelectionModel(selectionModel);
-        setItemDelegate(new GemItemDelegate(model, this));
+        GemItemDelegate* itemDelegate = new GemItemDelegate(model, this);
+        
+        connect(itemDelegate, &GemItemDelegate::MovieStartedPlaying, [=](const QMovie* playingMovie)
+            {
+                // Force redraw when movie is playing so animation is smooth
+                connect(playingMovie, &QMovie::frameChanged, this, [=]
+                    {
+                        this->viewport()->repaint();
+                    });
+            });
+
+        setItemDelegate(itemDelegate);
     }
 } // namespace O3DE::ProjectManager
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp
index c8911de360..35491f4ddd 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp
@@ -48,6 +48,7 @@ namespace O3DE::ProjectManager
         item->setData(gemInfo.m_features, RoleFeatures);
         item->setData(gemInfo.m_path, RolePath);
         item->setData(gemInfo.m_requirement, RoleRequirement);
+        item->setData(gemInfo.m_downloadStatus, RoleDownloadStatus);
 
         appendRow(item);
 
@@ -132,6 +133,11 @@ namespace O3DE::ProjectManager
         return static_cast<GemInfo::Types>(modelIndex.data(RoleTypes).toInt());
     }
 
+    GemInfo::DownloadStatus GemModel::GetDownloadStatus(const QModelIndex& modelIndex)
+    {
+        return static_cast<GemInfo::DownloadStatus>(modelIndex.data(RoleDownloadStatus).toInt());
+    }
+
     QString GemModel::GetSummary(const QModelIndex& modelIndex)
     {
         return modelIndex.data(RoleSummary).toString();
@@ -373,6 +379,11 @@ namespace O3DE::ProjectManager
         return previouslyAdded && !added;
     }
 
+    void GemModel::SetDownloadStatus(QAbstractItemModel& model, const QModelIndex& modelIndex, GemInfo::DownloadStatus status)
+    {
+        model.setData(modelIndex, status, RoleDownloadStatus);
+    }
+
     bool GemModel::HasRequirement(const QModelIndex& modelIndex)
     {
         return !modelIndex.data(RoleRequirement).toString().isEmpty();
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.h
index ef2d1a903d..0d1c225f74 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.h
@@ -40,6 +40,7 @@ namespace O3DE::ProjectManager
         static GemInfo::GemOrigin GetGemOrigin(const QModelIndex& modelIndex);
         static GemInfo::Platforms GetPlatforms(const QModelIndex& modelIndex);
         static GemInfo::Types GetTypes(const QModelIndex& modelIndex);
+        static GemInfo::DownloadStatus GetDownloadStatus(const QModelIndex& modelIndex);
         static QString GetSummary(const QModelIndex& modelIndex);
         static QString GetDirectoryLink(const QModelIndex& modelIndex);
         static QString GetDocLink(const QModelIndex& modelIndex);
@@ -64,6 +65,7 @@ namespace O3DE::ProjectManager
         static bool NeedsToBeRemoved(const QModelIndex& modelIndex, bool includeDependencies = false);
         static bool HasRequirement(const QModelIndex& modelIndex);
         static void UpdateDependencies(QAbstractItemModel& model, const QModelIndex& modelIndex);
+        static void SetDownloadStatus(QAbstractItemModel& model, const QModelIndex& modelIndex, GemInfo::DownloadStatus status);
 
         bool DoGemsToBeAddedHaveRequirements() const;
         bool HasDependentGemsToRemove() const;
@@ -101,7 +103,8 @@ namespace O3DE::ProjectManager
             RoleFeatures,
             RoleTypes,
             RolePath,
-            RoleRequirement
+            RoleRequirement,
+            RoleDownloadStatus
         };
 
         QHash<QString, QModelIndex> m_nameToIndexMap;
diff --git a/Code/Tools/ProjectManager/Source/PythonBindings.cpp b/Code/Tools/ProjectManager/Source/PythonBindings.cpp
index 83f93630ac..d91f08c73e 100644
--- a/Code/Tools/ProjectManager/Source/PythonBindings.cpp
+++ b/Code/Tools/ProjectManager/Source/PythonBindings.cpp
@@ -668,7 +668,21 @@ namespace O3DE::ProjectManager
 
                 if (gemInfo.m_creator.contains("Open 3D Engine"))
                 {
-                    gemInfo.m_gemOrigin = GemInfo::GemOrigin::Open3DEEngine;
+                    gemInfo.m_gemOrigin = GemInfo::GemOrigin::Open3DEngine;
+                }
+                else if (gemInfo.m_creator.contains("Amazon Web Services"))
+                {
+                    gemInfo.m_gemOrigin = GemInfo::GemOrigin::Local;
+                }
+                else if (data.contains("origin"))
+                {
+                    gemInfo.m_gemOrigin = GemInfo::GemOrigin::Remote;
+                }
+
+                // As long Base Open3DEngine gems are installed before first startup non-remote gems will be downloaded
+                if (gemInfo.m_gemOrigin != GemInfo::GemOrigin::Remote)
+                {
+                    gemInfo.m_downloadStatus = GemInfo::DownloadStatus::Downloaded;
                 }
 
                 if (data.contains("user_tags"))
diff --git a/Gems/AWSClientAuth/Code/Source/AWSClientAuthSystemComponent.cpp b/Gems/AWSClientAuth/Code/Source/AWSClientAuthSystemComponent.cpp
index dbde19aad6..92c01dab19 100644
--- a/Gems/AWSClientAuth/Code/Source/AWSClientAuthSystemComponent.cpp
+++ b/Gems/AWSClientAuth/Code/Source/AWSClientAuthSystemComponent.cpp
@@ -33,7 +33,7 @@ namespace AWSClientAuth
         AZ::SerializeContext* serialize = azrtti_cast<AZ::SerializeContext*>(context);
         if (serialize)
         {
-            serialize->Class<AWSClientAuthSystemComponent, AZ::Component>()->Version(1);
+            serialize->Class<AWSClientAuthSystemComponent, AZ::Component>()->Version(2);
 
             if (AZ::EditContext* ec = serialize->GetEditContext())
             {
@@ -105,12 +105,22 @@ namespace AWSClientAuth
             behaviorContext->EBus<AWSCognitoUserManagementRequestBus>("AWSCognitoUserManagementRequestBus")
                 ->Attribute(AZ::Script::Attributes::Category, SerializeComponentName)
                 ->Event("Initialize", &AWSCognitoUserManagementRequestBus::Events::Initialize)
-                ->Event("EmailSignUpAsync", &AWSCognitoUserManagementRequestBus::Events::EmailSignUpAsync)
-                ->Event("PhoneSignUpAsync", &AWSCognitoUserManagementRequestBus::Events::PhoneSignUpAsync)
-                ->Event("ConfirmSignUpAsync", &AWSCognitoUserManagementRequestBus::Events::ConfirmSignUpAsync)
-                ->Event("ForgotPasswordAsync", &AWSCognitoUserManagementRequestBus::Events::ForgotPasswordAsync)
-                ->Event("ConfirmForgotPasswordAsync", &AWSCognitoUserManagementRequestBus::Events::ConfirmForgotPasswordAsync)
-                ->Event("EnableMFAAsync", &AWSCognitoUserManagementRequestBus::Events::EnableMFAAsync);
+                ->Event(
+                    "EmailSignUpAsync", &AWSCognitoUserManagementRequestBus::Events::EmailSignUpAsync,
+                    { { { "Username", "The client's username" }, { "Password", "The client's password" }, { "Email", "The email address used to sign up" } } })
+                ->Event(
+                    "PhoneSignUpAsync", &AWSCognitoUserManagementRequestBus::Events::PhoneSignUpAsync,
+                    { { { "Username", "The client's username" }, { "Password", "The client's password" }, { "Phone number", "The phone number used to sign up" } } })
+                ->Event(
+                    "ConfirmSignUpAsync", &AWSCognitoUserManagementRequestBus::Events::ConfirmSignUpAsync,
+                    { { { "Username", "The client's username" }, { "Confirmation code", "The client's confirmation code" } } })
+                ->Event(
+                    "ForgotPasswordAsync", &AWSCognitoUserManagementRequestBus::Events::ForgotPasswordAsync,
+                    { { { "Username", "The client's username" } } })
+                ->Event(
+                    "ConfirmForgotPasswordAsync", &AWSCognitoUserManagementRequestBus::Events::ConfirmForgotPasswordAsync,
+                    { { { "Username", "The client's username" }, { "Confirmation code", "The client's confirmation code" }, { "New password", "The new password for the client" } } })
+                ->Event("EnableMFAAsync", &AWSCognitoUserManagementRequestBus::Events::EnableMFAAsync, { { { "Access token", "The MFA access token" } } });
 
 
             behaviorContext->EBus<AuthenticationProviderNotificationBus>("AuthenticationProviderNotificationBus")
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/CMakeLists.txt b/Gems/AWSGameLift/Code/AWSGameLiftClient/CMakeLists.txt
index 3eb5eafab0..1fab09e9f4 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/CMakeLists.txt
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/CMakeLists.txt
@@ -15,10 +15,11 @@ ly_add_target(
         awsgamelift_client_files.cmake
     INCLUDE_DIRECTORIES
         PUBLIC
+            ../AWSGameLiftCommon/Include
             Include
         PRIVATE
-            Source
             ../AWSGameLiftCommon/Source
+            Source
     COMPILE_DEFINITIONS
         PRIVATE
             ${awsgameliftclient_compile_definition}
@@ -78,10 +79,11 @@ if(PAL_TRAIT_BUILD_TESTS_SUPPORTED)
             awsgamelift_client_tests_files.cmake
         INCLUDE_DIRECTORIES
             PRIVATE
+                ../AWSGameLiftCommon/Include
+                ../AWSGameLiftCommon/Source
                 Include
                 Tests
                 Source
-                ../AWSGameLiftCommon/Source
         BUILD_DEPENDENCIES
             PRIVATE
                 AZ::AzCore
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Include/Request/AWSGameLiftStartMatchmakingRequest.h b/Gems/AWSGameLift/Code/AWSGameLiftClient/Include/Request/AWSGameLiftStartMatchmakingRequest.h
index d734daa808..ec3719c6d3 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Include/Request/AWSGameLiftStartMatchmakingRequest.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Include/Request/AWSGameLiftStartMatchmakingRequest.h
@@ -10,36 +10,12 @@
 
 #include <AzCore/std/containers/unordered_map.h>
 #include <AzCore/std/string/string.h>
-
 #include <AzFramework/Matchmaking/MatchmakingRequests.h>
 
+#include <AWSGameLiftPlayer.h>
+
 namespace AWSGameLift
 {
-    //! AWSGameLiftPlayerInformation
-    //! Information on each player to be matched
-    //! This information must include a player ID, and may contain player attributes and latency data to be used in the matchmaking process
-    //! After a successful match, Player objects contain the name of the team the player is assigned to
-    struct AWSGameLiftPlayerInformation
-    {
-        AZ_RTTI(AWSGameLiftPlayerInformation, "{B62C118E-C55D-4903-8ECB-E58E8CA613C4}");
-        static void Reflect(AZ::ReflectContext* context);
-
-        AWSGameLiftPlayerInformation() = default;
-        virtual ~AWSGameLiftPlayerInformation() = default;
-
-        // A map of region names to latencies in millseconds, that indicates
-        // the amount of latency that a player experiences when connected to AWS Regions
-        AZStd::unordered_map<AZStd::string, int> m_latencyInMs;
-        // A collection of key:value pairs containing player information for use in matchmaking
-        // Player attribute keys must match the playerAttributes used in a matchmaking rule set
-        // Example: {"skill": "{\"N\": \"23\"}", "gameMode": "{\"S\": \"deathmatch\"}"}
-        AZStd::unordered_map<AZStd::string, AZStd::string> m_playerAttributes;
-        // A unique identifier for a player
-        AZStd::string m_playerId;
-        // Name of the team that the player is assigned to in a match
-        AZStd::string m_team;
-    };
-
     //! AWSGameLiftStartMatchmakingRequest
     //! GameLift start matchmaking request which corresponds to Amazon GameLift
     //! Uses FlexMatch to create a game match for a group of players based on custom matchmaking rules
@@ -57,6 +33,6 @@ namespace AWSGameLift
         // Name of the matchmaking configuration to use for this request
         AZStd::string m_configurationName;
         // Information on each player to be matched
-        AZStd::vector<AWSGameLiftPlayerInformation> m_players;
+        AZStd::vector<AWSGameLiftPlayer> m_players;
     };
 } // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientLocalTicketTracker.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientLocalTicketTracker.cpp
index b619a10d4a..af0cf1c35c 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientLocalTicketTracker.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientLocalTicketTracker.cpp
@@ -10,6 +10,7 @@
 #include <AzCore/std/bind/bind.h>
 #include <AzCore/std/smart_ptr/shared_ptr.h>
 #include <AzFramework/Session/ISessionHandlingRequests.h>
+#include <AzFramework/Matchmaking/MatchmakingNotifications.h>
 
 #include <AWSGameLiftClientLocalTicketTracker.h>
 #include <AWSGameLiftSessionConstants.h>
@@ -109,6 +110,7 @@ namespace AWSGameLift
                         else if (ticket.GetStatus() == Aws::GameLift::Model::MatchmakingConfigurationStatus::REQUIRES_ACCEPTANCE)
                         {
                             // broadcast acceptance requires to player
+                            AzFramework::MatchAcceptanceNotificationBus::Broadcast(&AzFramework::MatchAcceptanceNotifications::OnMatchAcceptance);
                         }
                         else
                         {
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.cpp
index 91e76380eb..224f16481e 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.cpp
@@ -18,6 +18,7 @@
 
 #include <AWSGameLiftClientManager.h>
 #include <AWSGameLiftSessionConstants.h>
+#include <Activity/AWSGameLiftAcceptMatchActivity.h>
 #include <Activity/AWSGameLiftCreateSessionActivity.h>
 #include <Activity/AWSGameLiftCreateSessionOnQueueActivity.h>
 #include <Activity/AWSGameLiftJoinSessionActivity.h>
@@ -125,12 +126,53 @@ namespace AWSGameLift
 
     void AWSGameLiftClientManager::AcceptMatch(const AzFramework::AcceptMatchRequest& acceptMatchRequest)
     {
-        AZ_UNUSED(acceptMatchRequest);
+        if (AcceptMatchActivity::ValidateAcceptMatchRequest(acceptMatchRequest))
+        {
+            const AWSGameLiftAcceptMatchRequest& gameliftStartMatchmakingRequest =
+                static_cast<const AWSGameLiftAcceptMatchRequest&>(acceptMatchRequest);
+            AcceptMatchHelper(gameliftStartMatchmakingRequest);
+        }
     }
 
     void AWSGameLiftClientManager::AcceptMatchAsync(const AzFramework::AcceptMatchRequest& acceptMatchRequest)
     {
-        AZ_UNUSED(acceptMatchRequest);
+        if (!AcceptMatchActivity::ValidateAcceptMatchRequest(acceptMatchRequest))
+        {
+            AzFramework::MatchmakingAsyncRequestNotificationBus::Broadcast(
+                &AzFramework::MatchmakingAsyncRequestNotifications::OnAcceptMatchAsyncComplete);
+            return;
+        }
+
+        const AWSGameLiftAcceptMatchRequest& gameliftStartMatchmakingRequest = static_cast<const AWSGameLiftAcceptMatchRequest&>(acceptMatchRequest);
+
+        AZ::JobContext* jobContext = nullptr;
+        AWSCore::AWSCoreRequestBus::BroadcastResult(jobContext, &AWSCore::AWSCoreRequests::GetDefaultJobContext);
+        AZ::Job* acceptMatchJob = AZ::CreateJobFunction(
+            [this, gameliftStartMatchmakingRequest]()
+            {
+                AcceptMatchHelper(gameliftStartMatchmakingRequest);
+
+                AzFramework::MatchmakingAsyncRequestNotificationBus::Broadcast(
+                    &AzFramework::MatchmakingAsyncRequestNotifications::OnAcceptMatchAsyncComplete);
+            },
+            true, jobContext);
+
+        acceptMatchJob->Start(); 
+    }
+
+    void AWSGameLiftClientManager::AcceptMatchHelper(const AWSGameLiftAcceptMatchRequest& acceptMatchRequest)
+    {
+        auto gameliftClient = AZ::Interface<IAWSGameLiftInternalRequests>::Get()->GetGameLiftClient();
+
+        AZStd::string response;
+        if (!gameliftClient)
+        {
+            AZ_Error(AWSGameLiftClientManagerName, false, AWSGameLiftClientMissingErrorMessage);
+        }
+        else
+        {
+            AcceptMatchActivity::AcceptMatch(*gameliftClient, acceptMatchRequest);
+        }
     }
 
     AZStd::string AWSGameLiftClientManager::CreateSession(const AzFramework::CreateSessionRequest& createSessionRequest)
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.h b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.h
index ba81196b07..1f32b69f75 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientManager.h
@@ -15,6 +15,7 @@
 
 namespace AWSGameLift
 {
+    struct AWSGameLiftAcceptMatchRequest;
     struct AWSGameLiftCreateSessionRequest;
     struct AWSGameLiftCreateSessionOnQueueRequest;
     struct AWSGameLiftJoinSessionRequest;
@@ -158,6 +159,7 @@ namespace AWSGameLift
         void LeaveSession() override;
 
     private:
+        void AcceptMatchHelper(const AWSGameLiftAcceptMatchRequest& createSessionRequest);
         AZStd::string CreateSessionHelper(const AWSGameLiftCreateSessionRequest& createSessionRequest);
         AZStd::string CreateSessionOnQueueHelper(const AWSGameLiftCreateSessionOnQueueRequest& createSessionOnQueueRequest);
         bool JoinSessionHelper(const AWSGameLiftJoinSessionRequest& joinSessionRequest);
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientSystemComponent.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientSystemComponent.cpp
index ea5fff99a3..ed7830ce57 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientSystemComponent.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/AWSGameLiftClientSystemComponent.cpp
@@ -210,6 +210,7 @@ namespace AWSGameLift
                 ->Property("SessionId", BehaviorValueProperty(&AzFramework::SessionConfig::m_sessionId))
                 ->Property("SessionName", BehaviorValueProperty(&AzFramework::SessionConfig::m_sessionName))
                 ->Property("SessionProperties", BehaviorValueProperty(&AzFramework::SessionConfig::m_sessionProperties))
+                ->Property("MatchmakingData", BehaviorValueProperty(&AzFramework::SessionConfig::m_matchmakingData))
                 ->Property("Status", BehaviorValueProperty(&AzFramework::SessionConfig::m_status))
                 ->Property("StatusReason", BehaviorValueProperty(&AzFramework::SessionConfig::m_statusReason))
                 ->Property("TerminationTime", BehaviorValueProperty(&AzFramework::SessionConfig::m_terminationTime))
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftAcceptMatchActivity.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftAcceptMatchActivity.cpp
new file mode 100644
index 0000000000..25ba328fd0
--- /dev/null
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftAcceptMatchActivity.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.AcceptMatch
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzCore/Interface/Interface.h>
+
+#include <Activity/AWSGameLiftAcceptMatchActivity.h>
+#include <AWSGameLiftSessionConstants.h>
+
+#include <aws/core/utils/Outcome.h>
+#include <aws/gamelift/model/AcceptMatchRequest.h>
+
+namespace AWSGameLift
+{
+    namespace AcceptMatchActivity
+    {
+        Aws::GameLift::Model::AcceptMatchRequest BuildAWSGameLiftAcceptMatchRequest(
+            const AWSGameLiftAcceptMatchRequest& acceptMatchRequest)
+        {
+            Aws::GameLift::Model::AcceptMatchRequest request;
+            request.SetAcceptanceType(acceptMatchRequest.m_acceptMatch ?
+                Aws::GameLift::Model::AcceptanceType::ACCEPT : Aws::GameLift::Model::AcceptanceType::REJECT);
+
+            Aws::Vector<Aws::String> playerIds;
+            for (const AZStd::string& playerId : acceptMatchRequest.m_playerIds)
+            {
+                playerIds.emplace_back(playerId.c_str());
+            }
+            request.SetPlayerIds(playerIds);
+
+            if (!acceptMatchRequest.m_ticketId.empty())
+            {
+                request.SetTicketId(acceptMatchRequest.m_ticketId.c_str());
+            }
+
+            AZ_TracePrintf(AWSGameLiftAcceptMatchActivityName, "Built AcceptMatchRequest with TicketId=%s", request.GetTicketId().c_str());
+
+            return request;
+        }
+
+        void AcceptMatch(const Aws::GameLift::GameLiftClient& gameliftClient,
+            const AWSGameLiftAcceptMatchRequest& AcceptMatchRequest)
+        {
+            AZ_TracePrintf(AWSGameLiftAcceptMatchActivityName, "Requesting AcceptMatch against Amazon GameLift service ...");
+
+            Aws::GameLift::Model::AcceptMatchRequest request = BuildAWSGameLiftAcceptMatchRequest(AcceptMatchRequest);
+            auto AcceptMatchOutcome = gameliftClient.AcceptMatch(request);
+
+            if (AcceptMatchOutcome.IsSuccess())
+            {
+                AZ_TracePrintf(AWSGameLiftAcceptMatchActivityName, "AcceptMatch request against Amazon GameLift service is complete");
+            }
+            else
+            {
+                AZ_Error(AWSGameLiftAcceptMatchActivityName, false, AWSGameLiftErrorMessageTemplate,
+                    AcceptMatchOutcome.GetError().GetExceptionName().c_str(), AcceptMatchOutcome.GetError().GetMessage().c_str());
+            }
+        }
+
+        bool ValidateAcceptMatchRequest(const AzFramework::AcceptMatchRequest& AcceptMatchRequest)
+        {
+            auto gameliftAcceptMatchRequest = azrtti_cast<const AWSGameLiftAcceptMatchRequest*>(&AcceptMatchRequest);
+            bool isValid = gameliftAcceptMatchRequest &&
+                (gameliftAcceptMatchRequest->m_playerIds.size() > 0) &&
+                (!gameliftAcceptMatchRequest->m_ticketId.empty());
+
+            AZ_Error(AWSGameLiftAcceptMatchActivityName, isValid, AWSGameLiftAcceptMatchRequestInvalidErrorMessage);
+
+            return isValid;
+        }
+    } // namespace AcceptMatchActivity
+} // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftAcceptMatchActivity.h b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftAcceptMatchActivity.h
new file mode 100644
index 0000000000..d5f28f92e2
--- /dev/null
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftAcceptMatchActivity.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <Request/AWSGameLiftAcceptMatchRequest.h>
+
+#include <aws/gamelift/GameLiftClient.h>
+
+namespace AWSGameLift
+{
+    namespace AcceptMatchActivity
+    {
+        static constexpr const char AWSGameLiftAcceptMatchActivityName[] = "AWSGameLiftAcceptMatchActivity";
+        static constexpr const char AWSGameLiftAcceptMatchRequestInvalidErrorMessage[] = "Invalid GameLift AcceptMatch request.";
+
+        // Build AWS GameLift AcceptMatchRequest by using AWSGameLiftAcceptMatchRequest
+        Aws::GameLift::Model::AcceptMatchRequest BuildAWSGameLiftAcceptMatchRequest(const AWSGameLiftAcceptMatchRequest& AcceptMatchRequest);
+
+        // Create AcceptMatchRequest and make a AcceptMatch call through GameLift client
+        void AcceptMatch(const Aws::GameLift::GameLiftClient& gameliftClient, const AWSGameLiftAcceptMatchRequest& AcceptMatchRequest);
+
+        // Validate AcceptMatchRequest and check required request parameters
+        bool ValidateAcceptMatchRequest(const AzFramework::AcceptMatchRequest& AcceptMatchRequest);
+    } // namespace AcceptMatchActivity
+} // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftSearchSessionsActivity.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftSearchSessionsActivity.cpp
index 3d29fa2b71..5f0b6fd012 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftSearchSessionsActivity.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftSearchSessionsActivity.cpp
@@ -105,6 +105,7 @@ namespace AWSGameLift
                 session.m_status = AWSGameLiftSessionStatusNames[(int)gameSession.GetStatus()];
                 session.m_statusReason = AWSGameLiftSessionStatusReasons[(int)gameSession.GetStatusReason()];
                 session.m_terminationTime = gameSession.GetTerminationTime().Millis();
+                session.m_matchmakingData = gameSession.GetMatchmakerData().c_str();
                 // TODO: Update the AWS Native SDK to get the new game session attributes.
                 //session.m_dnsName = gameSession.GetDnsName();
 
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.cpp
index 2b2a32f74b..00a7773491 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.cpp
@@ -5,12 +5,17 @@
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
+
 #include <AzCore/Interface/Interface.h>
 
 #include <Activity/AWSGameLiftActivityUtils.h>
 #include <Activity/AWSGameLiftStartMatchmakingActivity.h>
+#include <AWSGameLiftPlayer.h>
 #include <AWSGameLiftSessionConstants.h>
 
+#include <aws/core/utils/Outcome.h>
+#include <aws/gamelift/model/StartMatchmakingRequest.h>
+
 namespace AWSGameLift
 {
     namespace StartMatchmakingActivity
@@ -25,7 +30,7 @@ namespace AWSGameLift
             }
 
             Aws::Vector<Aws::GameLift::Model::Player> players;
-            for (const AWSGameLiftPlayerInformation& playerInfo : startMatchmakingRequest.m_players)
+            for (const AWSGameLiftPlayer& playerInfo : startMatchmakingRequest.m_players)
             {
                 Aws::GameLift::Model::Player player;
                 if (!playerInfo.m_playerId.empty())
@@ -105,7 +110,7 @@ namespace AWSGameLift
 
             if (isValid)
             {
-                for (const AWSGameLiftPlayerInformation& playerInfo : gameliftStartMatchmakingRequest->m_players)
+                for (const AWSGameLiftPlayer& playerInfo : gameliftStartMatchmakingRequest->m_players)
                 {
                     isValid &= !playerInfo.m_playerId.empty();
                     isValid &= AWSGameLiftActivityUtils::ValidatePlayerAttributes(playerInfo.m_playerAttributes);
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.h b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.h
index 5f8c4558f4..db814c14b2 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStartMatchmakingActivity.h
@@ -10,9 +10,7 @@
 
 #include <Request/AWSGameLiftStartMatchmakingRequest.h>
 
-#include <aws/core/utils/Outcome.h>
 #include <aws/gamelift/GameLiftClient.h>
-#include <aws/gamelift/model/StartMatchmakingRequest.h>
 
 namespace AWSGameLift
 {
@@ -25,7 +23,6 @@ namespace AWSGameLift
         Aws::GameLift::Model::StartMatchmakingRequest BuildAWSGameLiftStartMatchmakingRequest(const AWSGameLiftStartMatchmakingRequest& startMatchmakingRequest);
 
         // Create StartMatchmakingRequest and make a StartMatchmaking call through GameLift client
-        // Will also start polling the matchmaking ticket when get success outcome from GameLift client
         AZStd::string StartMatchmaking(const Aws::GameLift::GameLiftClient& gameliftClient, const AWSGameLiftStartMatchmakingRequest& startMatchmakingRequest);
 
         // Validate StartMatchmakingRequest and check required request parameters
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.cpp
index 204923fc02..b427d0323a 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.cpp
@@ -11,6 +11,9 @@
 #include <Activity/AWSGameLiftStopMatchmakingActivity.h>
 #include <AWSGameLiftSessionConstants.h>
 
+#include <aws/core/utils/Outcome.h>
+#include <aws/gamelift/model/StopMatchmakingRequest.h>
+
 namespace AWSGameLift
 {
     namespace StopMatchmakingActivity
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.h b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.h
index 9bfeb86343..0820f2c05e 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Activity/AWSGameLiftStopMatchmakingActivity.h
@@ -10,9 +10,7 @@
 
 #include <Request/AWSGameLiftStopMatchmakingRequest.h>
 
-#include <aws/core/utils/Outcome.h>
 #include <aws/gamelift/GameLiftClient.h>
-#include <aws/gamelift/model/StopMatchmakingRequest.h>
 
 namespace AWSGameLift
 {
@@ -25,7 +23,6 @@ namespace AWSGameLift
         Aws::GameLift::Model::StopMatchmakingRequest BuildAWSGameLiftStopMatchmakingRequest(const AWSGameLiftStopMatchmakingRequest& stopMatchmakingRequest);
 
         // Create StopMatchmakingRequest and make a StopMatchmaking call through GameLift client
-        // Will also stop polling the matchmaking ticket when get success outcome from GameLift client
         void StopMatchmaking(const Aws::GameLift::GameLiftClient& gameliftClient, const AWSGameLiftStopMatchmakingRequest& stopMatchmakingRequest);
 
         // Validate StopMatchmakingRequest and check required request parameters
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Request/AWSGameLiftStartMatchmakingRequest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Request/AWSGameLiftStartMatchmakingRequest.cpp
index 03d802fd36..31e9c5eff7 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Request/AWSGameLiftStartMatchmakingRequest.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Source/Request/AWSGameLiftStartMatchmakingRequest.cpp
@@ -14,53 +14,10 @@
 
 namespace AWSGameLift
 {
-    void AWSGameLiftPlayerInformation::Reflect(AZ::ReflectContext* context)
-    {
-        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
-        {
-            serializeContext->Class<AWSGameLiftPlayerInformation>()
-                ->Version(0)
-                ->Field("latencyInMs", &AWSGameLiftPlayerInformation::m_latencyInMs)
-                ->Field("playerAttributes", &AWSGameLiftPlayerInformation::m_playerAttributes)
-                ->Field("playerId", &AWSGameLiftPlayerInformation::m_playerId)
-                ->Field("team", &AWSGameLiftPlayerInformation::m_team);
-
-            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
-            {
-                editContext->Class<AWSGameLiftPlayerInformation>("AWSGameLiftPlayerInformation", "")
-                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
-                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
-                    ->DataElement(
-                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayerInformation::m_latencyInMs, "LatencyInMs",
-                        "A set of values, expressed in milliseconds, that indicates the amount of latency that"
-                        "a player experiences when connected to AWS Regions")
-                    ->DataElement(
-                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayerInformation::m_playerAttributes, "PlayerAttributes",
-                        "A collection of key:value pairs containing player information for use in matchmaking")
-                    ->DataElement(
-                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayerInformation::m_playerId, "PlayerId",
-                        "A unique identifier for a player")
-                    ->DataElement(
-                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayerInformation::m_team, "Team",
-                        "Name of the team that the player is assigned to in a match");
-            }
-        }
-
-        if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
-        {
-            behaviorContext->Class<AWSGameLiftPlayerInformation>("AWSGameLiftPlayerInformation")
-                ->Attribute(AZ::Script::Attributes::Storage, AZ::Script::Attributes::StorageType::Value)
-                ->Property("LatencyInMs", BehaviorValueProperty(&AWSGameLiftPlayerInformation::m_latencyInMs))
-                ->Property("PlayerAttributes", BehaviorValueProperty(&AWSGameLiftPlayerInformation::m_playerAttributes))
-                ->Property("PlayerId", BehaviorValueProperty(&AWSGameLiftPlayerInformation::m_playerId))
-                ->Property("Team", BehaviorValueProperty(&AWSGameLiftPlayerInformation::m_team));
-        }
-    }
-
     void AWSGameLiftStartMatchmakingRequest::Reflect(AZ::ReflectContext* context)
     {
         AzFramework::StartMatchmakingRequest::Reflect(context);
-        AWSGameLiftPlayerInformation::Reflect(context);
+        AWSGameLiftPlayer::Reflect(context);
 
         if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
         {
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientLocalTicketTrackerTest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientLocalTicketTrackerTest.cpp
index 6506d70704..4dc4dd85f6 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientLocalTicketTrackerTest.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientLocalTicketTrackerTest.cpp
@@ -351,3 +351,41 @@ TEST_F(AWSGameLiftClientLocalTicketTrackerTest, StartPolling_CallAndTicketComple
     WaitForProcessFinish();
     ASSERT_TRUE(m_gameliftClientTicketTracker->IsTrackerIdle());
 }
+
+TEST_F(AWSGameLiftClientLocalTicketTrackerTest, StartPolling_RequiresAcceptanceAndTicketCompleteAtLast_ProcessContinuesAndStop)
+{
+    Aws::GameLift::Model::MatchmakingTicket ticket1;
+    ticket1.SetStatus(Aws::GameLift::Model::MatchmakingConfigurationStatus::REQUIRES_ACCEPTANCE);
+
+    Aws::GameLift::Model::DescribeMatchmakingResult result1;
+    result1.AddTicketList(ticket1);
+    Aws::GameLift::Model::DescribeMatchmakingOutcome outcome1(result1);
+
+    Aws::GameLift::Model::GameSessionConnectionInfo connectionInfo;
+    connectionInfo.SetIpAddress("DummyIpAddress");
+    connectionInfo.SetPort(123);
+    connectionInfo.AddMatchedPlayerSessions(
+        Aws::GameLift::Model::MatchedPlayerSession().WithPlayerId("player1").WithPlayerSessionId("playersession1"));
+
+    Aws::GameLift::Model::MatchmakingTicket ticket2;
+    ticket2.SetStatus(Aws::GameLift::Model::MatchmakingConfigurationStatus::COMPLETED);
+    ticket2.SetGameSessionConnectionInfo(connectionInfo);
+
+    Aws::GameLift::Model::DescribeMatchmakingResult result2;
+    result2.AddTicketList(ticket2);
+    Aws::GameLift::Model::DescribeMatchmakingOutcome outcome2(result2);
+
+    EXPECT_CALL(*m_gameliftClientMockPtr, DescribeMatchmaking(::testing::_))
+        .WillOnce(::testing::Return(outcome1))
+        .WillOnce(::testing::Return(outcome2));
+
+    MatchAcceptanceNotificationsHandlerMock handlerMock1;
+    EXPECT_CALL(handlerMock1, OnMatchAcceptance()).Times(1);
+
+    SessionHandlingClientRequestsMock handlerMock2;
+    EXPECT_CALL(handlerMock2, RequestPlayerJoinSession(::testing::_)).Times(1).WillOnce(::testing::Return(true));
+
+    m_gameliftClientTicketTracker->StartPolling("ticket1", "player1");
+    WaitForProcessFinish();
+    ASSERT_TRUE(m_gameliftClientTicketTracker->IsTrackerIdle());
+}
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientManagerTest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientManagerTest.cpp
index 2fa332df72..1c3e8726fd 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientManagerTest.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientManagerTest.cpp
@@ -19,6 +19,7 @@
 #include <AWSGameLiftClientManager.h>
 #include <AWSGameLiftClientMocks.h>
 
+#include <Request/AWSGameLiftAcceptMatchRequest.h>
 #include <Request/AWSGameLiftCreateSessionOnQueueRequest.h>
 #include <Request/AWSGameLiftCreateSessionRequest.h>
 #include <Request/AWSGameLiftJoinSessionRequest.h>
@@ -207,6 +208,7 @@ protected:
         sessionConfig.m_terminationTime = 0;
         sessionConfig.m_creatorId = "dummyCreatorId";
         sessionConfig.m_sessionProperties["dummyKey"] = "dummyValue";
+        sessionConfig.m_matchmakingData = "dummyMatchmakingData";
         sessionConfig.m_sessionId = "dummyGameSessionId";
         sessionConfig.m_sessionName = "dummyGameSessionName";
         sessionConfig.m_ipAddress = "dummyIpAddress";
@@ -231,7 +233,7 @@ protected:
         request.m_configurationName = "dummyConfiguration";
         request.m_ticketId = DummyMatchmakingTicketId;
 
-        AWSGameLiftPlayerInformation player;
+        AWSGameLiftPlayer player;
         player.m_playerAttributes["dummy"] = "{\"N\": \"1\"}";
         player.m_playerId = DummyPlayerId;
         player.m_latencyInMs["us-east-1"] = 10;
@@ -812,7 +814,7 @@ TEST_F(AWSGameLiftClientManagerTest, StartMatchmaking_CallWithInvalidRequest_Get
 {
     AWSGameLiftStartMatchmakingRequest request;
     request.m_configurationName = "dummyConfiguration";
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"A\": \"1\"}";
     request.m_players.emplace_back(player);
 
@@ -854,7 +856,7 @@ TEST_F(AWSGameLiftClientManagerTest, StartMatchmakingAsync_CallWithInvalidReques
 {
     AWSGameLiftStartMatchmakingRequest request;
     request.m_configurationName = "dummyConfiguration";
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"A\": \"1\"}";
     request.m_players.emplace_back(player);
 
@@ -1005,3 +1007,106 @@ TEST_F(AWSGameLiftClientManagerTest, StopMatchmakingAsync_CallWithValidRequest_G
     m_gameliftClientManager->StopMatchmakingAsync(request);
     AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
 }
+
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatch_CallWithoutClientSetup_GetError)
+{
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    m_gameliftClientManager->ConfigureGameLiftClient("");
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { DummyPlayerId };
+    request.m_ticketId = DummyMatchmakingTicketId;
+
+    m_gameliftClientManager->AcceptMatch(request);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(2); // capture 2 error message
+}
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatch_CallWithInvalidRequest_GetError)
+{
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    m_gameliftClientManager->AcceptMatch(AzFramework::AcceptMatchRequest());
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
+
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatch_CallWithValidRequest_Success)
+{
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { DummyPlayerId };
+    request.m_ticketId = DummyMatchmakingTicketId;
+
+    Aws::GameLift::Model::AcceptMatchResult result;
+    Aws::GameLift::Model::AcceptMatchResult outcome(result);
+    EXPECT_CALL(*m_gameliftClientMockPtr, AcceptMatch(::testing::_)).Times(1).WillOnce(::testing::Return(outcome));
+
+    m_gameliftClientManager->AcceptMatch(request);
+}
+
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatch_CallWithValidRequest_GetError)
+{
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { DummyPlayerId };
+    request.m_ticketId = DummyMatchmakingTicketId;
+
+    Aws::Client::AWSError<Aws::GameLift::GameLiftErrors> error;
+    Aws::GameLift::Model::AcceptMatchOutcome outcome(error);
+
+    EXPECT_CALL(*m_gameliftClientMockPtr, AcceptMatch(::testing::_)).Times(1).WillOnce(::testing::Return(outcome));
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    m_gameliftClientManager->AcceptMatch(request);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
+
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatchAsync_CallWithInvalidRequest_GetNotificationWithError)
+{
+    AWSGameLiftAcceptMatchRequest request;
+
+    MatchmakingAsyncRequestNotificationsHandlerMock matchmakingHandlerMock;
+    EXPECT_CALL(matchmakingHandlerMock, OnAcceptMatchAsyncComplete()).Times(1);
+
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    m_gameliftClientManager->AcceptMatchAsync(request);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
+
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatchAsync_CallWithValidRequest_GetNotification)
+{
+    AWSCoreRequestsHandlerMock handlerMock;
+    EXPECT_CALL(handlerMock, GetDefaultJobContext()).Times(1).WillOnce(::testing::Return(m_jobContext.get()));
+
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { DummyPlayerId };
+    request.m_ticketId = DummyMatchmakingTicketId;
+
+    Aws::GameLift::Model::AcceptMatchResult result;
+    Aws::GameLift::Model::AcceptMatchOutcome outcome(result);
+    EXPECT_CALL(*m_gameliftClientMockPtr, AcceptMatch(::testing::_)).Times(1).WillOnce(::testing::Return(outcome));
+
+    MatchmakingAsyncRequestNotificationsHandlerMock matchmakingHandlerMock;
+    EXPECT_CALL(matchmakingHandlerMock, OnAcceptMatchAsyncComplete()).Times(1);
+
+    m_gameliftClientManager->AcceptMatchAsync(request);
+}
+
+TEST_F(AWSGameLiftClientManagerTest, AcceptMatchAsync_CallWithValidRequest_GetNotificationWithError)
+{
+    AWSCoreRequestsHandlerMock handlerMock;
+    EXPECT_CALL(handlerMock, GetDefaultJobContext()).Times(1).WillOnce(::testing::Return(m_jobContext.get()));
+
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { DummyPlayerId };
+    request.m_ticketId = DummyMatchmakingTicketId;
+
+    Aws::Client::AWSError<Aws::GameLift::GameLiftErrors> error;
+    Aws::GameLift::Model::AcceptMatchOutcome outcome(error);
+    EXPECT_CALL(*m_gameliftClientMockPtr, AcceptMatch(::testing::_)).Times(1).WillOnce(::testing::Return(outcome));
+
+    MatchmakingAsyncRequestNotificationsHandlerMock matchmakingHandlerMock;
+    EXPECT_CALL(matchmakingHandlerMock, OnAcceptMatchAsyncComplete()).Times(1);
+
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    m_gameliftClientManager->AcceptMatchAsync(request);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientMocks.h b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientMocks.h
index 964b6a21c2..6ba05747aa 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientMocks.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/AWSGameLiftClientMocks.h
@@ -9,6 +9,7 @@
 #pragma once
 
 #include <AzCore/Interface/Interface.h>
+#include <AzFramework/Matchmaking/MatchmakingNotifications.h>
 #include <AzFramework/Session/ISessionRequests.h>
 #include <AzFramework/Session/ISessionHandlingRequests.h>
 #include <AzFramework/Matchmaking/MatchmakingNotifications.h>
@@ -18,6 +19,8 @@
 #include <aws/core/utils/Outcome.h>
 #include <aws/gamelift/GameLiftClient.h>
 #include <aws/gamelift/GameLiftErrors.h>
+#include <aws/gamelift/model/AcceptMatchRequest.h>
+#include <aws/gamelift/model/AcceptMatchResult.h>
 #include <aws/gamelift/model/CreateGameSessionRequest.h>
 #include <aws/gamelift/model/CreateGameSessionResult.h>
 #include <aws/gamelift/model/CreatePlayerSessionRequest.h>
@@ -46,6 +49,7 @@ public:
     {
     }
 
+    MOCK_CONST_METHOD1(AcceptMatch, Model::AcceptMatchOutcome(const Model::AcceptMatchRequest&));
     MOCK_CONST_METHOD1(CreateGameSession, Model::CreateGameSessionOutcome(const Model::CreateGameSessionRequest&));
     MOCK_CONST_METHOD1(CreatePlayerSession, Model::CreatePlayerSessionOutcome(const Model::CreatePlayerSessionRequest&));
     MOCK_CONST_METHOD1(DescribeMatchmaking, Model::DescribeMatchmakingOutcome(const Model::DescribeMatchmakingRequest&));
@@ -74,6 +78,23 @@ public:
     MOCK_METHOD0(OnStopMatchmakingAsyncComplete, void());
 };
 
+class MatchAcceptanceNotificationsHandlerMock
+    : public AzFramework::MatchAcceptanceNotificationBus::Handler
+{
+public:
+    MatchAcceptanceNotificationsHandlerMock()
+    {
+        AzFramework::MatchAcceptanceNotificationBus::Handler::BusConnect();
+    }
+
+    ~MatchAcceptanceNotificationsHandlerMock()
+    {
+        AzFramework::MatchAcceptanceNotificationBus::Handler::BusDisconnect();
+    }
+
+    MOCK_METHOD0(OnMatchAcceptance, void());
+};
+
 class SessionAsyncRequestNotificationsHandlerMock
     : public AzFramework::SessionAsyncRequestNotificationBus::Handler
 {
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftAcceptMatchActivityTest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftAcceptMatchActivityTest.cpp
new file mode 100644
index 0000000000..af78ca8c0c
--- /dev/null
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftAcceptMatchActivityTest.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <aws/gamelift/model/AcceptMatchRequest.h>
+
+#include <AWSGameLiftClientFixture.h>
+#include <Activity/AWSGameLiftAcceptMatchActivity.h>
+
+#include <aws/gamelift/model/AcceptMatchRequest.h>
+
+using namespace AWSGameLift;
+
+using AWSGameLiftAcceptMatchActivityTest = AWSGameLiftClientFixture;
+
+TEST_F(AWSGameLiftAcceptMatchActivityTest, BuildAWSGameLiftAcceptMatchRequest_Call_GetExpectedResult)
+{
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_ticketId = "dummyTicketId";
+    request.m_playerIds = { "dummyPlayerId" };
+
+    auto awsRequest = AcceptMatchActivity::BuildAWSGameLiftAcceptMatchRequest(request);
+
+    EXPECT_EQ(awsRequest.GetAcceptanceType(), Aws::GameLift::Model::AcceptanceType::ACCEPT);
+    EXPECT_TRUE(strcmp(awsRequest.GetTicketId().c_str(), request.m_ticketId.c_str()) == 0);
+    EXPECT_EQ(awsRequest.GetPlayerIds().size(), request.m_playerIds.size());
+    EXPECT_TRUE(strcmp(awsRequest.GetPlayerIds().begin()->c_str(), request.m_playerIds.begin()->c_str()) == 0);
+}
+
+TEST_F(AWSGameLiftAcceptMatchActivityTest, ValidateAcceptMatchRequest_CallWithBaseType_GetFalseResult)
+{
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    auto result = AcceptMatchActivity::ValidateAcceptMatchRequest(AzFramework::AcceptMatchRequest());
+    EXPECT_FALSE(result);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
+
+TEST_F(AWSGameLiftAcceptMatchActivityTest, ValidateAcceptMatchRequest_CallWithoutTicketId_GetFalseResult)
+{
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { "dummyPlayerId" };
+
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    auto result = AcceptMatchActivity::ValidateAcceptMatchRequest(request);
+    EXPECT_FALSE(result);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
+
+TEST_F(AWSGameLiftAcceptMatchActivityTest, ValidateAcceptMatchRequest_CallWithoutPlayerIds_GetFalseResult)
+{
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_playerIds = { "dummyPlayerId" };
+
+    AZ_TEST_START_TRACE_SUPPRESSION;
+    auto result = AcceptMatchActivity::ValidateAcceptMatchRequest(request);
+    EXPECT_FALSE(result);
+    AZ_TEST_STOP_TRACE_SUPPRESSION(1); // capture 1 error message
+}
+
+TEST_F(AWSGameLiftAcceptMatchActivityTest, ValidateAcceptMatchRequest_CallWithValidAttributes_GetTrueResult)
+{
+
+    AWSGameLiftAcceptMatchRequest request;
+    request.m_acceptMatch = true;
+    request.m_ticketId = "dummyTicketId";
+    request.m_playerIds = { "dummyPlayerId" };
+
+    auto result = AcceptMatchActivity::ValidateAcceptMatchRequest(request);
+    EXPECT_TRUE(result);
+}
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStartMatchmakingActivityTest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStartMatchmakingActivityTest.cpp
index 706aec04f2..6da932828c 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStartMatchmakingActivityTest.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStartMatchmakingActivityTest.cpp
@@ -8,6 +8,9 @@
 
 #include <Activity/AWSGameLiftStartMatchmakingActivity.h>
 #include <AWSGameLiftClientFixture.h>
+#include <AWSGameLiftPlayer.h>
+
+#include <aws/gamelift/model/StartMatchmakingRequest.h>
 
 using namespace AWSGameLift;
 
@@ -19,7 +22,7 @@ TEST_F(AWSGameLiftStartMatchmakingActivityTest, BuildAWSGameLiftStartMatchmaking
     request.m_configurationName = "dummyConfiguration";
     request.m_ticketId = "dummyTicketId";
 
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"S\": \"test\"}";
     player.m_playerId = "dummyPlayerId";
     player.m_team = "dummyTeam";
@@ -56,7 +59,7 @@ TEST_F(AWSGameLiftStartMatchmakingActivityTest, ValidateStartMatchmakingRequest_
     AWSGameLiftStartMatchmakingRequest request;
     request.m_ticketId = "dummyTicketId";
 
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"S\": \"test\"}";
     player.m_playerId = "dummyPlayerId";
     player.m_team = "dummyTeam";
@@ -87,7 +90,7 @@ TEST_F(AWSGameLiftStartMatchmakingActivityTest, ValidateStartMatchmakingRequest_
     request.m_configurationName = "dummyConfiguration";
     request.m_ticketId = "dummyTicketId";
 
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"S\": \"test\"}";
     player.m_team = "dummyTeam";
     player.m_latencyInMs["us-east-1"] = 10;
@@ -105,7 +108,7 @@ TEST_F(AWSGameLiftStartMatchmakingActivityTest, ValidateStartMatchmakingRequest_
     request.m_configurationName = "dummyConfiguration";
     request.m_ticketId = "dummyTicketId";
 
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"A\": \"test\"}";
     player.m_playerId = "dummyPlayerId";
     player.m_team = "dummyTeam";
@@ -123,7 +126,7 @@ TEST_F(AWSGameLiftStartMatchmakingActivityTest, ValidateStartMatchmakingRequest_
     AWSGameLiftStartMatchmakingRequest request;
     request.m_configurationName = "dummyConfiguration";
 
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"S\": \"test\"}";
     player.m_playerId = "dummyPlayerId";
     player.m_team = "dummyTeam";
@@ -140,7 +143,7 @@ TEST_F(AWSGameLiftStartMatchmakingActivityTest, ValidateStartMatchmakingRequest_
     request.m_ticketId = "dummyTicketId";
     request.m_configurationName = "dummyConfiguration";
 
-    AWSGameLiftPlayerInformation player;
+    AWSGameLiftPlayer player;
     player.m_playerAttributes["dummy"] = "{\"S\": \"test\"}";
     player.m_playerId = "dummyPlayerId";
     player.m_team = "dummyTeam";
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStopMatchmakingActivityTest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStopMatchmakingActivityTest.cpp
index 6b53ed5055..ba0e40c7e6 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStopMatchmakingActivityTest.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/Tests/Activity/AWSGameLiftStopMatchmakingActivityTest.cpp
@@ -9,6 +9,8 @@
 #include <Activity/AWSGameLiftStopMatchmakingActivity.h>
 #include <AWSGameLiftClientFixture.h>
 
+#include <aws/gamelift/model/StopMatchmakingRequest.h>
+
 using namespace AWSGameLift;
 
 using AWSGameLiftStopMatchmakingActivityTest = AWSGameLiftClientFixture;
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_files.cmake b/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_files.cmake
index 3122ff2261..cd54414cc1 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_files.cmake
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_files.cmake
@@ -7,6 +7,8 @@
 #
 
 set(FILES
+    ../AWSGameLiftCommon/Include/AWSGameLiftPlayer.h
+    ../AWSGameLiftCommon/Source/AWSGameLiftPlayer.cpp
     ../AWSGameLiftCommon/Source/AWSGameLiftSessionConstants.h
     Include/Request/AWSGameLiftAcceptMatchRequest.h
     Include/Request/AWSGameLiftCreateSessionOnQueueRequest.h
@@ -18,6 +20,8 @@ set(FILES
     Include/Request/IAWSGameLiftRequests.h
     Source/Activity/AWSGameLiftActivityUtils.cpp
     Source/Activity/AWSGameLiftActivityUtils.h
+    Source/Activity/AWSGameLiftAcceptMatchActivity.cpp
+    Source/Activity/AWSGameLiftAcceptMatchActivity.h
     Source/Activity/AWSGameLiftCreateSessionActivity.cpp
     Source/Activity/AWSGameLiftCreateSessionActivity.h
     Source/Activity/AWSGameLiftCreateSessionOnQueueActivity.cpp
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_tests_files.cmake b/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_tests_files.cmake
index f8ef40d5df..3e73dd8a0a 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_tests_files.cmake
+++ b/Gems/AWSGameLift/Code/AWSGameLiftClient/awsgamelift_client_tests_files.cmake
@@ -7,6 +7,7 @@
 #
 
 set(FILES
+    Tests/Activity/AWSGameLiftAcceptMatchActivityTest.cpp    
     Tests/Activity/AWSGameLiftCreateSessionActivityTest.cpp
     Tests/Activity/AWSGameLiftCreateSessionOnQueueActivityTest.cpp
     Tests/Activity/AWSGameLiftJoinSessionActivityTest.cpp
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftCommon/Include/AWSGameLiftPlayer.h b/Gems/AWSGameLift/Code/AWSGameLiftCommon/Include/AWSGameLiftPlayer.h
new file mode 100644
index 0000000000..1fbdadc8bf
--- /dev/null
+++ b/Gems/AWSGameLift/Code/AWSGameLiftCommon/Include/AWSGameLiftPlayer.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <AzCore/RTTI/BehaviorContext.h>
+#include <AzCore/std/containers/unordered_map.h>
+#include <AzCore/std/string/string.h>
+
+namespace AWSGameLift
+{
+    //! AWSGameLiftPlayer
+    //! Information on each player to be matched
+    //! This information must include a player ID, and may contain player attributes and latency data to be used in the matchmaking process
+    //! After a successful match, Player objects contain the name of the team the player is assigned to
+    struct AWSGameLiftPlayer
+    {
+        AZ_RTTI(AWSGameLiftPlayer, "{B62C118E-C55D-4903-8ECB-E58E8CA613C4}");
+        static void Reflect(AZ::ReflectContext* context);
+
+        AWSGameLiftPlayer() = default;
+        virtual ~AWSGameLiftPlayer() = default;
+
+        // A map of region names to latencies in millseconds, that indicates
+        // the amount of latency that a player experiences when connected to AWS Regions
+        AZStd::unordered_map<AZStd::string, int> m_latencyInMs;
+
+        // A collection of key:value pairs containing player information for use in matchmaking
+        // Player attribute keys must match the playerAttributes used in a matchmaking rule set
+        // Example: {"skill": "{\"N\": 23}", "gameMode": "{\"S\": \"deathmatch\"}"}
+        AZStd::unordered_map<AZStd::string, AZStd::string> m_playerAttributes;
+
+        // A unique identifier for a player
+        AZStd::string m_playerId;
+
+        // Name of the team that the player is assigned to in a match
+        AZStd::string m_team;
+    };
+} // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftCommon/Source/AWSGameLiftPlayer.cpp b/Gems/AWSGameLift/Code/AWSGameLiftCommon/Source/AWSGameLiftPlayer.cpp
new file mode 100644
index 0000000000..80a3915a6b
--- /dev/null
+++ b/Gems/AWSGameLift/Code/AWSGameLiftCommon/Source/AWSGameLiftPlayer.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <AzCore/Serialization/EditContext.h>
+#include <AzCore/Serialization/SerializeContext.h>
+
+#include <AWSGameLiftPlayer.h>
+
+namespace AWSGameLift
+{
+    void AWSGameLiftPlayer::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<AWSGameLiftPlayer>()
+                ->Version(0)
+                ->Field("latencyInMs", &AWSGameLiftPlayer::m_latencyInMs)
+                ->Field("playerAttributes", &AWSGameLiftPlayer::m_playerAttributes)
+                ->Field("playerId", &AWSGameLiftPlayer::m_playerId)
+                ->Field("team", &AWSGameLiftPlayer::m_team);
+
+            if (AZ::EditContext* editContext = serializeContext->GetEditContext())
+            {
+                editContext->Class<AWSGameLiftPlayer>("AWSGameLiftPlayer", "")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                    ->Attribute(AZ::Edit::Attributes::Visibility, AZ::Edit::PropertyVisibility::ShowChildrenOnly)
+                    ->DataElement(
+                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayer::m_latencyInMs, "LatencyInMs",
+                        "A set of values, expressed in milliseconds, that indicates the amount of latency that"
+                        "a player experiences when connected to AWS Regions")
+                    ->DataElement(
+                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayer::m_playerAttributes, "PlayerAttributes",
+                        "A collection of key:value pairs containing player information for use in matchmaking")
+                    ->DataElement(
+                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayer::m_playerId, "PlayerId",
+                        "A unique identifier for a player")
+                    ->DataElement(
+                        AZ::Edit::UIHandlers::Default, &AWSGameLiftPlayer::m_team, "Team",
+                        "Name of the team that the player is assigned to in a match");
+            }
+        }
+
+        if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
+        {
+            behaviorContext->Class<AWSGameLiftPlayer>("AWSGameLiftPlayer")
+                ->Attribute(AZ::Script::Attributes::Storage, AZ::Script::Attributes::StorageType::Value)
+                ->Property("LatencyInMs", BehaviorValueProperty(&AWSGameLiftPlayer::m_latencyInMs))
+                ->Property("PlayerAttributes", BehaviorValueProperty(&AWSGameLiftPlayer::m_playerAttributes))
+                ->Property("PlayerId", BehaviorValueProperty(&AWSGameLiftPlayer::m_playerId))
+                ->Property("Team", BehaviorValueProperty(&AWSGameLiftPlayer::m_team));
+        }
+    }
+} // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/CMakeLists.txt b/Gems/AWSGameLift/Code/AWSGameLiftServer/CMakeLists.txt
index 798c6a6a25..d05ec46b52 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/CMakeLists.txt
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/CMakeLists.txt
@@ -17,6 +17,7 @@ ly_add_target(
         awsgamelift_server_files.cmake
     INCLUDE_DIRECTORIES
         PUBLIC
+            ../AWSGameLiftCommon/Include
             Include
         PRIVATE
             ../AWSGameLiftCommon/Source
@@ -54,6 +55,8 @@ if(PAL_TRAIT_BUILD_TESTS_SUPPORTED)
             awsgamelift_server_tests_files.cmake
         INCLUDE_DIRECTORIES
             PRIVATE
+                ../AWSGameLiftCommon/Include
+                ../AWSGameLiftCommon/Source
                 Tests
                 Source
         BUILD_DEPENDENCIES
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Include/Request/IAWSGameLiftServerRequests.h b/Gems/AWSGameLift/Code/AWSGameLiftServer/Include/Request/IAWSGameLiftServerRequests.h
index e5b14319a8..777086e633 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Include/Request/IAWSGameLiftServerRequests.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Include/Request/IAWSGameLiftServerRequests.h
@@ -9,9 +9,11 @@
 #pragma once
 
 #include <AzCore/EBus/EBus.h>
-#include <AzCore/RTTI/BehaviorContext.h>
+#include <AzCore/RTTI/RTTI.h>
+#include <AzCore/std/containers/vector.h>
 #include <AzCore/std/string/string.h>
-#include <AzFramework/Session/ISessionRequests.h>
+
+#include <AWSGameLiftPlayer.h>
 
 namespace AWSGameLift
 {
@@ -26,8 +28,21 @@ namespace AWSGameLift
         virtual ~IAWSGameLiftServerRequests() = default;
 
         //! Notify GameLift that the server process is ready to host a game session.
-        //! @return Whether the ProcessReady notification is sent to GameLift.
+        //! @return True if the ProcessReady notification is sent to GameLift successfully, false otherwise
         virtual bool NotifyGameLiftProcessReady() = 0;
+
+        //! Sends a request to find new players for open slots in a game session created with FlexMatch.
+        //! @param  ticketId Unique identifier for match backfill request ticket
+        //! @param  players A set of data representing all players who are currently in the game session,
+        //!         if not provided, system will use lazy loaded game session data which is not guaranteed to
+        //!         be accurate (no latency data either)
+        //! @return True if StartMatchBackfill succeeds, false otherwise
+        virtual bool StartMatchBackfill(const AZStd::string& ticketId, const AZStd::vector<AWSGameLiftPlayer>& players) = 0;
+
+        //! Cancels an active match backfill request that was created with StartMatchBackfill
+        //! @param  ticketId Unique identifier of the backfill request ticket to be canceled
+        //! @return True if StopMatchBackfill succeeds, false otherwise
+        virtual bool StopMatchBackfill(const AZStd::string& ticketId) = 0;
     };
 
     // IAWSGameLiftServerRequests EBus wrapper for scripting
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.cpp b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.cpp
index e739933ab2..70d0063b61 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.cpp
@@ -17,6 +17,9 @@
 #include <AzCore/IO/SystemFile.h>
 #include <AzCore/Jobs/JobFunction.h>
 #include <AzCore/Jobs/JobManagerBus.h>
+#include <AzCore/JSON/error/en.h>
+#include <AzCore/JSON/stringbuffer.h>
+#include <AzCore/JSON/writer.h>
 #include <AzCore/std/bind/bind.h>
 #include <AzFramework/Session/SessionNotifications.h>
 
@@ -112,6 +115,7 @@ namespace AWSGameLift
         {
             propertiesOutput = propertiesOutput.substr(0, propertiesOutput.size() - 1); // Trim last comma to fit array format
         }
+        sessionConfig.m_matchmakingData = gameSession.GetMatchmakerData().c_str();
         sessionConfig.m_sessionId = gameSession.GetGameSessionId().c_str();
         sessionConfig.m_ipAddress = gameSession.GetIpAddress().c_str();
         sessionConfig.m_maxPlayer = gameSession.GetMaximumPlayerSessionCount();
@@ -133,6 +137,276 @@ namespace AWSGameLift
         return sessionConfig;
     }
 
+    bool AWSGameLiftServerManager::BuildServerMatchBackfillPlayer(
+        const AWSGameLiftPlayer& player, Aws::GameLift::Server::Model::Player& outBackfillPlayer)
+    {
+        outBackfillPlayer.SetPlayerId(player.m_playerId.c_str());
+        outBackfillPlayer.SetTeam(player.m_team.c_str());
+        for (auto latencyPair : player.m_latencyInMs)
+        {
+            outBackfillPlayer.AddLatencyInMs(latencyPair.first.c_str(), latencyPair.second);
+        }
+
+        for (auto attributePair : player.m_playerAttributes)
+        {
+            Aws::GameLift::Server::Model::AttributeValue playerAttribute;
+            rapidjson::Document attributeDocument;
+            rapidjson::ParseResult parseResult = attributeDocument.Parse(attributePair.second.c_str());
+            // player attribute json content should always be a single member object
+            if (parseResult && attributeDocument.IsObject() && attributeDocument.MemberCount() == 1)
+            {
+                if ((attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeSTypeName) ||
+                    attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeSServerTypeName)) &&
+                    attributeDocument.MemberBegin()->value.IsString())
+                {
+                    playerAttribute = Aws::GameLift::Server::Model::AttributeValue(
+                        attributeDocument.MemberBegin()->value.GetString());
+                }
+                else if ((attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeNTypeName) ||
+                    attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeNServerTypeName)) &&
+                    attributeDocument.MemberBegin()->value.IsNumber())
+                {
+                    playerAttribute = Aws::GameLift::Server::Model::AttributeValue(
+                        attributeDocument.MemberBegin()->value.GetDouble());
+                }
+                else if ((attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeSDMTypeName) ||
+                    attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeSDMServerTypeName)) &&
+                    attributeDocument.MemberBegin()->value.IsObject())
+                {
+                    playerAttribute = Aws::GameLift::Server::Model::AttributeValue::ConstructStringDoubleMap();
+                    for (auto iter = attributeDocument.MemberBegin()->value.MemberBegin();
+                         iter != attributeDocument.MemberBegin()->value.MemberEnd(); iter++)
+                    {
+                        if (iter->name.IsString() && iter->value.IsNumber())
+                        {
+                            playerAttribute.AddStringAndDouble(iter->name.GetString(), iter->value.GetDouble());
+                        }
+                        else
+                        {
+                            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftMatchmakingPlayerAttributeInvalidErrorMessage,
+                                player.m_playerId.c_str(), "String double map key must be string type and value must be number type");
+                            return false;
+                        }
+                    }
+                }
+                else if ((attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeSLTypeName) ||
+                    attributeDocument.HasMember(AWSGameLiftMatchmakingPlayerAttributeSLServerTypeName)) &&
+                    attributeDocument.MemberBegin()->value.IsArray())
+                {
+                    playerAttribute = Aws::GameLift::Server::Model::AttributeValue::ConstructStringList();
+                    for (auto iter = attributeDocument.MemberBegin()->value.Begin();
+                        iter != attributeDocument.MemberBegin()->value.End(); iter++)
+                    {
+                        if (iter->IsString())
+                        {
+                            playerAttribute.AddString(iter->GetString());
+                        }
+                        else
+                        {
+                            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftMatchmakingPlayerAttributeInvalidErrorMessage,
+                                player.m_playerId.c_str(), "String list element must be string type");
+                            return false;
+                        }
+                    }
+                }
+                else
+                {
+                    AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftMatchmakingPlayerAttributeInvalidErrorMessage,
+                        player.m_playerId.c_str(), "S, N, SDM or SLM is expected as attribute type.");
+                    return false;
+                }
+            }
+            else
+            {
+                AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftMatchmakingPlayerAttributeInvalidErrorMessage,
+                    player.m_playerId.c_str(), rapidjson::GetParseError_En(parseResult.Code()));
+                return false;
+            }
+            outBackfillPlayer.AddPlayerAttribute(attributePair.first.c_str(), playerAttribute);
+        }
+        return true;
+    }
+
+    AZStd::vector<AWSGameLiftPlayer> AWSGameLiftServerManager::GetActiveServerMatchBackfillPlayers()
+    {
+        AZStd::vector<AWSGameLiftPlayer> activePlayers;
+        // Keep processing only when game session has matchmaking data
+        if (IsMatchmakingDataValid())
+        {
+            auto activePlayerSessions = GetActivePlayerSessions();
+            for (auto playerSession : activePlayerSessions)
+            {
+                AWSGameLiftPlayer player;
+                if (BuildActiveServerMatchBackfillPlayer(playerSession.GetPlayerId().c_str(), player))
+                {
+                    activePlayers.push_back(player);
+                }
+            }
+        }
+        return activePlayers;
+    }
+
+    bool AWSGameLiftServerManager::IsMatchmakingDataValid()
+    {
+        return m_matchmakingData.IsObject() &&
+            m_matchmakingData.HasMember(AWSGameLiftMatchmakingConfigurationKeyName) &&
+            m_matchmakingData.HasMember(AWSGameLiftMatchmakingTeamsKeyName);
+    }
+
+    AZStd::vector<Aws::GameLift::Server::Model::PlayerSession> AWSGameLiftServerManager::GetActivePlayerSessions()
+    {
+        Aws::GameLift::Server::Model::DescribePlayerSessionsRequest describeRequest;
+        describeRequest.SetGameSessionId(m_gameSession.GetGameSessionId());
+        describeRequest.SetPlayerSessionStatusFilter(
+            Aws::GameLift::Server::Model::PlayerSessionStatusMapper::GetNameForPlayerSessionStatus(
+                Aws::GameLift::Server::Model::PlayerSessionStatus::ACTIVE));
+        int maxPlayerSession = m_gameSession.GetMaximumPlayerSessionCount();
+
+        AZStd::vector<Aws::GameLift::Server::Model::PlayerSession> activePlayerSessions;
+        if (maxPlayerSession <= AWSGameLiftDescribePlayerSessionsPageSize)
+        {
+            describeRequest.SetLimit(maxPlayerSession);
+            auto outcome = m_gameLiftServerSDKWrapper->DescribePlayerSessions(describeRequest);
+            if (outcome.IsSuccess())
+            {
+                for (auto playerSession : outcome.GetResult().GetPlayerSessions())
+                {
+                    activePlayerSessions.push_back(playerSession);
+                }
+            }
+            else
+            {
+                AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftDescribePlayerSessionsErrorMessage,
+                    outcome.GetError().GetErrorMessage().c_str());
+            }
+        }
+        else
+        {
+            describeRequest.SetLimit(AWSGameLiftDescribePlayerSessionsPageSize);
+            while (true)
+            {
+                auto outcome = m_gameLiftServerSDKWrapper->DescribePlayerSessions(describeRequest);
+                if (outcome.IsSuccess())
+                {
+                    for (auto playerSession : outcome.GetResult().GetPlayerSessions())
+                    {
+                        activePlayerSessions.push_back(playerSession);
+                    }
+                    if (outcome.GetResult().GetNextToken().empty())
+                    {
+                        break;
+                    }
+                    else
+                    {
+                        describeRequest.SetNextToken(outcome.GetResult().GetNextToken());
+                    }
+                }
+                else
+                {
+                    activePlayerSessions.clear();
+                    AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftDescribePlayerSessionsErrorMessage,
+                        outcome.GetError().GetErrorMessage().c_str());
+                    break;
+                }
+            }
+        }
+        return activePlayerSessions;
+    }
+
+    bool AWSGameLiftServerManager::BuildActiveServerMatchBackfillPlayer(const AZStd::string& playerId, AWSGameLiftPlayer& outPlayer)
+    {
+        // As data is from GameLift service, assume it is always in correct format
+        rapidjson::Value& teams = m_matchmakingData[AWSGameLiftMatchmakingTeamsKeyName];
+
+        // Iterate through teams to find target player
+        for (rapidjson::SizeType teamIndex = 0; teamIndex < teams.Size(); ++teamIndex)
+        {
+            rapidjson::Value& players = teams[teamIndex][AWSGameLiftMatchmakingPlayersKeyName];
+
+            // Iterate through players under the team to find target player
+            for (rapidjson::SizeType playerIndex = 0; playerIndex < players.Size(); ++playerIndex)
+            {
+                if (std::strcmp(players[playerIndex][AWSGameLiftMatchmakingPlayerIdKeyName].GetString(), playerId.c_str()) == 0)
+                {
+                    outPlayer.m_playerId = playerId;
+                    outPlayer.m_team = teams[teamIndex][AWSGameLiftMatchmakingTeamNameKeyName].GetString();
+                    // Get player attributes if target player has
+                    if (players[playerIndex].HasMember(AWSGameLiftMatchmakingPlayerAttributesKeyName))
+                    {
+                        BuildServerMatchBackfillPlayerAttributes(
+                            players[playerIndex][AWSGameLiftMatchmakingPlayerAttributesKeyName], outPlayer);
+                    }
+                }
+                else
+                {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    void AWSGameLiftServerManager::BuildServerMatchBackfillPlayerAttributes(
+        const rapidjson::Value& playerAttributes, AWSGameLiftPlayer& outPlayer)
+    {
+        for (auto iter = playerAttributes.MemberBegin(); iter != playerAttributes.MemberEnd(); iter++)
+        {
+            AZStd::string attributeName = iter->name.GetString();
+
+            rapidjson::StringBuffer jsonStringBuffer;
+            rapidjson::Writer<rapidjson::StringBuffer> writer(jsonStringBuffer);
+            iter->value[AWSGameLiftMatchmakingPlayerAttributeValueKeyName].Accept(writer);
+            AZStd::string attributeType = iter->value[AWSGameLiftMatchmakingPlayerAttributeTypeKeyName].GetString();
+            AZStd::string attributeValue = AZStd::string::format("{\"%s\": %s}",
+                attributeType.c_str(), jsonStringBuffer.GetString());
+
+            outPlayer.m_playerAttributes.emplace(attributeName, attributeValue);
+        }
+    }
+
+    bool AWSGameLiftServerManager::BuildStartMatchBackfillRequest(
+        const AZStd::string& ticketId,
+        const AZStd::vector<AWSGameLiftPlayer>& players,
+        Aws::GameLift::Server::Model::StartMatchBackfillRequest& outRequest)
+    {
+        outRequest.SetGameSessionArn(m_gameSession.GetGameSessionId());
+        outRequest.SetMatchmakingConfigurationArn(m_matchmakingData[AWSGameLiftMatchmakingConfigurationKeyName].GetString());
+        if (!ticketId.empty())
+        {
+            outRequest.SetTicketId(ticketId.c_str());
+        }
+
+        AZStd::vector<AWSGameLiftPlayer> requestPlayers(players);
+        if (players.size() == 0)
+        {
+            requestPlayers = GetActiveServerMatchBackfillPlayers();
+        }
+        for (auto player : requestPlayers)
+        {
+            Aws::GameLift::Server::Model::Player backfillPlayer;
+            if (BuildServerMatchBackfillPlayer(player, backfillPlayer))
+            {
+                outRequest.AddPlayer(backfillPlayer);
+            }
+            else
+            {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    void AWSGameLiftServerManager::BuildStopMatchBackfillRequest(
+        const AZStd::string& ticketId, Aws::GameLift::Server::Model::StopMatchBackfillRequest& outRequest)
+    {
+        outRequest.SetGameSessionArn(m_gameSession.GetGameSessionId());
+        outRequest.SetMatchmakingConfigurationArn(m_matchmakingData[AWSGameLiftMatchmakingConfigurationKeyName].GetString());
+        if (!ticketId.empty())
+        {
+            outRequest.SetTicketId(ticketId.c_str());
+        }
+    }
+
     AZ::IO::Path AWSGameLiftServerManager::GetExternalSessionCertificate()
     {
         // TODO: Add support to get TLS cert file path
@@ -238,7 +512,7 @@ namespace AWSGameLift
 
                 Aws::GameLift::Server::ProcessParameters processReadyParameter = Aws::GameLift::Server::ProcessParameters(
                     AZStd::bind(&AWSGameLiftServerManager::OnStartGameSession, this, AZStd::placeholders::_1),
-                    AZStd::bind(&AWSGameLiftServerManager::OnUpdateGameSession, this),
+                    AZStd::bind(&AWSGameLiftServerManager::OnUpdateGameSession, this, AZStd::placeholders::_1),
                     AZStd::bind(&AWSGameLiftServerManager::OnProcessTerminate, this),
                     AZStd::bind(&AWSGameLiftServerManager::OnHealthCheck, this), desc.m_port,
                     Aws::GameLift::Server::LogParameters(logPaths));
@@ -260,6 +534,7 @@ namespace AWSGameLift
 
     void AWSGameLiftServerManager::OnStartGameSession(const Aws::GameLift::Server::Model::GameSession& gameSession)
     {
+        UpdateGameSessionData(gameSession);
         AzFramework::SessionConfig sessionConfig = BuildSessionConfig(gameSession);
 
         bool createSessionResult = true;
@@ -311,10 +586,19 @@ namespace AWSGameLift
         return m_serverSDKInitialized && healthCheckResult;
     }
 
-    void AWSGameLiftServerManager::OnUpdateGameSession()
+    void AWSGameLiftServerManager::OnUpdateGameSession(const Aws::GameLift::Server::Model::UpdateGameSession& updateGameSession)
     {
-        // TODO: Perform game-specific tasks to prep for newly matched players
-        return;
+        Aws::GameLift::Server::Model::UpdateReason updateReason = updateGameSession.GetUpdateReason();
+        if (updateReason == Aws::GameLift::Server::Model::UpdateReason::MATCHMAKING_DATA_UPDATED)
+        {
+            UpdateGameSessionData(updateGameSession.GetGameSession());
+        }
+        AzFramework::SessionConfig sessionConfig = BuildSessionConfig(updateGameSession.GetGameSession());
+
+        AzFramework::SessionNotificationBus::Broadcast(
+            &AzFramework::SessionNotifications::OnUpdateSessionBegin,
+            sessionConfig,
+            Aws::GameLift::Server::Model::UpdateReasonMapper::GetNameForUpdateReason(updateReason).c_str());
     }
 
     bool AWSGameLiftServerManager::RemoveConnectedPlayer(uint32_t playerConnectionId, AZStd::string& outPlayerSessionId)
@@ -340,6 +624,92 @@ namespace AWSGameLift
         m_gameLiftServerSDKWrapper = AZStd::move(gameLiftServerSDKWrapper);
     }
 
+    bool AWSGameLiftServerManager::StartMatchBackfill(const AZStd::string& ticketId, const AZStd::vector<AWSGameLiftPlayer>& players)
+    {
+        if (!m_serverSDKInitialized)
+        {
+            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftServerSDKNotInitErrorMessage);
+            return false;
+        }
+
+        if (!IsMatchmakingDataValid())
+        {
+            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftMatchmakingDataMissingErrorMessage);
+            return false;
+        }
+
+        Aws::GameLift::Server::Model::StartMatchBackfillRequest request;
+        if (!BuildStartMatchBackfillRequest(ticketId, players, request))
+        {
+            return false;
+        }
+
+        AZ_TracePrintf(AWSGameLiftServerManagerName, "Starting match backfill %s ...", ticketId.c_str());
+        auto outcome = m_gameLiftServerSDKWrapper->StartMatchBackfill(request);
+        if (!outcome.IsSuccess())
+        {
+            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftStartMatchBackfillErrorMessage,
+                outcome.GetError().GetErrorMessage().c_str());
+            return false;
+        }
+        else
+        {
+            AZ_TracePrintf(AWSGameLiftServerManagerName, "StartMatchBackfill request against Amazon GameLift service is complete.");
+            return true;
+        }
+    }
+
+    bool AWSGameLiftServerManager::StopMatchBackfill(const AZStd::string& ticketId)
+    {
+        if (!m_serverSDKInitialized)
+        {
+            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftServerSDKNotInitErrorMessage);
+            return false;
+        }
+
+        if (!IsMatchmakingDataValid())
+        {
+            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftMatchmakingDataMissingErrorMessage);
+            return false;
+        }
+
+        Aws::GameLift::Server::Model::StopMatchBackfillRequest request;
+        BuildStopMatchBackfillRequest(ticketId, request);
+
+        AZ_TracePrintf(AWSGameLiftServerManagerName, "Stopping match backfill %s ...", ticketId.c_str());
+        auto outcome = m_gameLiftServerSDKWrapper->StopMatchBackfill(request);
+        if (!outcome.IsSuccess())
+        {
+            AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftStopMatchBackfillErrorMessage,
+                outcome.GetError().GetErrorMessage().c_str());
+            return false;
+        }
+        else
+        {
+            AZ_TracePrintf(AWSGameLiftServerManagerName, "StopMatchBackfill request against Amazon GameLift service is complete.");
+            return true;
+        }
+    }
+
+    void AWSGameLiftServerManager::UpdateGameSessionData(const Aws::GameLift::Server::Model::GameSession& gameSession)
+    {
+        AZ_TracePrintf(AWSGameLiftServerManagerName, "Lazy loading game session and matchmaking data from Amazon GameLift service ...");
+        m_gameSession = Aws::GameLift::Server::Model::GameSession(gameSession);
+        if (m_gameSession.GetMatchmakerData().empty())
+        {
+            m_matchmakingData.Parse("{}");
+        }
+        else
+        {
+            rapidjson::ParseResult parseResult = m_matchmakingData.Parse(m_gameSession.GetMatchmakerData().c_str());
+            if (!parseResult)
+            {
+                AZ_Error(AWSGameLiftServerManagerName, false,
+                    AWSGameLiftMatchmakingDataInvalidErrorMessage, rapidjson::GetParseError_En(parseResult.Code()));
+            }
+        }
+    }
+
     bool AWSGameLiftServerManager::ValidatePlayerJoinSession(const AzFramework::PlayerConnectionConfig& playerConnectionConfig)
     {
         uint32_t playerConnectionId = playerConnectionConfig.m_playerConnectionId;
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.h b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.h
index c0f1c00bea..fa2f783eca 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.h
@@ -11,11 +11,15 @@
 #include <aws/gamelift/server/GameLiftServerAPI.h>
 #include <aws/gamelift/server/model/GameSession.h>
 
+#include <AzCore/JSON/rapidjson.h>
+#include <AzCore/JSON/document.h>
 #include <AzCore/std/containers/vector.h>
 #include <AzCore/std/string/string.h>
 #include <AzCore/std/smart_ptr/unique_ptr.h>
 #include <AzFramework/Session/ISessionHandlingRequests.h>
 #include <AzFramework/Session/SessionConfig.h>
+
+#include <AWSGameLiftPlayer.h>
 #include <Request/IAWSGameLiftServerRequests.h>
 
 namespace AWSGameLift
@@ -66,6 +70,36 @@ namespace AWSGameLift
             "Invalid player connection config, player connection id: %d, player session id: %s";
         static constexpr const char AWSGameLiftServerRemovePlayerSessionErrorMessage[] =
             "Failed to notify GameLift that the player with the player session id %s has disconnected from the server process. ErrorMessage: %s";
+        static constexpr const char AWSGameLiftMatchmakingDataInvalidErrorMessage[] =
+            "Failed to parse GameLift matchmaking data. ErrorMessage: %s";
+        static constexpr const char AWSGameLiftMatchmakingDataMissingErrorMessage[] =
+            "GameLift matchmaking data is missing or invalid to parse.";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeInvalidErrorMessage[] =
+            "Failed to build player %s attributes. ErrorMessage: %s";
+        static constexpr const char AWSGameLiftDescribePlayerSessionsErrorMessage[] =
+            "Failed to describe player sessions. ErrorMessage: %s";
+        static constexpr const char AWSGameLiftStartMatchBackfillErrorMessage[] =
+            "Failed to start match backfill. ErrorMessage: %s";
+        static constexpr const char AWSGameLiftStopMatchBackfillErrorMessage[] =
+            "Failed to stop match backfill. ErrorMessage: %s";
+
+        static constexpr const char AWSGameLiftMatchmakingConfigurationKeyName[] = "matchmakingConfigurationArn";
+        static constexpr const char AWSGameLiftMatchmakingTeamsKeyName[] = "teams";
+        static constexpr const char AWSGameLiftMatchmakingTeamNameKeyName[] = "name";
+        static constexpr const char AWSGameLiftMatchmakingPlayersKeyName[] = "players";
+        static constexpr const char AWSGameLiftMatchmakingPlayerIdKeyName[] = "playerId";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributesKeyName[] = "attributes";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeTypeKeyName[] = "attributeType";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeValueKeyName[] = "valueAttribute";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeSTypeName[] = "S";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeSServerTypeName[] = "STRING";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeNTypeName[] = "N";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeNServerTypeName[] = "NUMBER";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeSLTypeName[] = "SL";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeSLServerTypeName[] = "STRING_LIST";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeSDMTypeName[] = "SDM";
+        static constexpr const char AWSGameLiftMatchmakingPlayerAttributeSDMServerTypeName[] = "STRING_DOUBLE_MAP";
+        static constexpr const uint16_t AWSGameLiftDescribePlayerSessionsPageSize = 30;
 
         AWSGameLiftServerManager();
         virtual ~AWSGameLiftServerManager();
@@ -78,6 +112,8 @@ namespace AWSGameLift
 
         // AWSGameLiftServerRequestBus interface implementation
         bool NotifyGameLiftProcessReady() override;
+        bool StartMatchBackfill(const AZStd::string& ticketId, const AZStd::vector<AWSGameLiftPlayer>& players) override;
+        bool StopMatchBackfill(const AZStd::string& ticketId) override;
 
         // ISessionHandlingProviderRequests interface implementation
         void HandleDestroySession() override;
@@ -92,18 +128,48 @@ namespace AWSGameLift
         //! Add connected player session id.
         bool AddConnectedPlayer(const AzFramework::PlayerConnectionConfig& playerConnectionConfig);
 
+        //! Get active server player data from lazy loaded game session for server match backfill
+        AZStd::vector<AWSGameLiftPlayer> GetActiveServerMatchBackfillPlayers();
+
+        //! Update local game session data to latest one
+        void UpdateGameSessionData(const Aws::GameLift::Server::Model::GameSession& gameSession);
+
     private:
         //! Build the serverProcessDesc with appropriate server port number and log paths.
         GameLiftServerProcessDesc BuildGameLiftServerProcessDesc();
 
+        //! Build active server player data from lazy loaded game session based on player id
+        bool BuildActiveServerMatchBackfillPlayer(const AZStd::string& playerId, AWSGameLiftPlayer& outPlayer);
+
+        //! Build server player attribute data from lazy load matchmaking data
+        void BuildServerMatchBackfillPlayerAttributes(const rapidjson::Value& playerAttributes, AWSGameLiftPlayer& outPlayer);
+
+        //! Build server player data for server match backfill
+        bool BuildServerMatchBackfillPlayer(const AWSGameLiftPlayer& player, Aws::GameLift::Server::Model::Player& outBackfillPlayer);
+
+        //! Build start match backfill request for StartMatchBackfill operation
+        bool BuildStartMatchBackfillRequest(
+            const AZStd::string& ticketId,
+            const AZStd::vector<AWSGameLiftPlayer>& players,
+            Aws::GameLift::Server::Model::StartMatchBackfillRequest& outRequest);
+
+        //! Build stop match backfill request for StopMatchBackfill operation
+        void BuildStopMatchBackfillRequest(const AZStd::string& ticketId, Aws::GameLift::Server::Model::StopMatchBackfillRequest& outRequest);
+
         //! Build session config by using AWS GameLift Server GameSession Model.
         AzFramework::SessionConfig BuildSessionConfig(const Aws::GameLift::Server::Model::GameSession& gameSession);
 
+        //! Check whether matchmaking data is in proper format
+        bool IsMatchmakingDataValid();
+
+        //! Fetch active player sessions in game session.
+        AZStd::vector<Aws::GameLift::Server::Model::PlayerSession> GetActivePlayerSessions();
+
         //! Callback function that the GameLift service invokes to activate a new game session.
         void OnStartGameSession(const Aws::GameLift::Server::Model::GameSession& gameSession);
 
         //! Callback function that the GameLift service invokes to pass an updated game session object to the server process.
-        void OnUpdateGameSession();
+        void OnUpdateGameSession(const Aws::GameLift::Server::Model::UpdateGameSession& updateGameSession);
 
         //! Callback function that the server process or GameLift service invokes to force the server process to shut down.
         void OnProcessTerminate();
@@ -125,5 +191,12 @@ namespace AWSGameLift
         using PlayerConnectionId = uint32_t;
         using PlayerSessionId = AZStd::string;
         AZStd::unordered_map<PlayerConnectionId, PlayerSessionId> m_connectedPlayers;
+
+        // Lazy loaded game session and matchmaking data
+        Aws::GameLift::Server::Model::GameSession m_gameSession;
+        // Matchmaking data contains a unique match ID, it identifies the matchmaker that created the match
+        // and describes the teams, team assignments, and players.
+        // Reference https://docs.aws.amazon.com/gamelift/latest/flexmatchguide/match-server.html#match-server-data
+        rapidjson::Document m_matchmakingData;
     };
 } // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.cpp b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.cpp
index 7e216f33be..d51c8eb8cb 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.cpp
@@ -22,6 +22,12 @@ namespace AWSGameLift
         return Aws::GameLift::Server::ActivateGameSession();
     }
 
+    Aws::GameLift::DescribePlayerSessionsOutcome GameLiftServerSDKWrapper::DescribePlayerSessions(
+        const Aws::GameLift::Server::Model::DescribePlayerSessionsRequest& describePlayerSessionsRequest)
+    {
+        return Aws::GameLift::Server::DescribePlayerSessions(describePlayerSessionsRequest);
+    }
+
     Aws::GameLift::Server::InitSDKOutcome GameLiftServerSDKWrapper::InitSDK()
     {
         return Aws::GameLift::Server::InitSDK();
@@ -69,4 +75,17 @@ namespace AWSGameLift
     {
         return Aws::GameLift::Server::RemovePlayerSession(playerSessionId.c_str());
     }
+
+    Aws::GameLift::StartMatchBackfillOutcome GameLiftServerSDKWrapper::StartMatchBackfill(
+        const Aws::GameLift::Server::Model::StartMatchBackfillRequest& startMatchBackfillRequest)
+    {
+        return Aws::GameLift::Server::StartMatchBackfill(startMatchBackfillRequest);
+    }
+
+    Aws::GameLift::GenericOutcome GameLiftServerSDKWrapper::StopMatchBackfill(
+        const Aws::GameLift::Server::Model::StopMatchBackfillRequest& stopMatchBackfillRequest)
+    {
+        return Aws::GameLift::Server::StopMatchBackfill(stopMatchBackfillRequest);
+    }
+
 } // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.h b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.h
index a656087206..e56366d75a 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Source/GameLiftServerSDKWrapper.h
@@ -33,6 +33,14 @@ namespace AWSGameLift
         //! @return Returns a generic outcome consisting of success or failure with an error message.
         virtual Aws::GameLift::GenericOutcome ActivateGameSession();
 
+        //! Retrieves player session data, including settings, session metadata, and player data.
+        //! Use this action to get information for a single player session,
+        //! for all player sessions in a game session, or for all player sessions associated with a single player ID.
+        //! @param  describePlayerSessionsRequest The request object describing which player sessions to retrieve.
+        //! @return If successful, returns a DescribePlayerSessionsOutcome object containing a set of player session objects that fit the request parameters.
+        virtual Aws::GameLift::DescribePlayerSessionsOutcome DescribePlayerSessions(
+            const Aws::GameLift::Server::Model::DescribePlayerSessionsRequest& describePlayerSessionsRequest);
+
         //! Initializes the GameLift SDK.
         //! Should be called when the server starts, before any GameLift-dependent initialization happens.
         //! @return If successful, returns an InitSdkOutcome object indicating that the server process is ready to call ProcessReady().
@@ -56,5 +64,16 @@ namespace AWSGameLift
         //! @param playerSessionId Unique ID issued by the Amazon GameLift service in response to a call to the AWS SDK Amazon GameLift API action CreatePlayerSession.
         //! @return Returns a generic outcome consisting of success or failure with an error message.
         virtual Aws::GameLift::GenericOutcome RemovePlayerSession(const AZStd::string& playerSessionId);
+
+        //! Sends a request to find new players for open slots in a game session created with FlexMatch.
+        //! When the match has been successfully, backfilled updated matchmaker data will be sent to the OnUpdateGameSession callback.
+        //! @param  startMatchBackfillRequest This data type is used to send a matchmaking backfill request.
+        //! @return Returns a StartMatchBackfillOutcome object with the match backfill ticket or failure with an error message.
+        virtual Aws::GameLift::StartMatchBackfillOutcome StartMatchBackfill(const Aws::GameLift::Server::Model::StartMatchBackfillRequest& startMatchBackfillRequest);
+
+        //! Cancels an active match backfill request that was created with StartMatchBackfill
+        //! @param  stopMatchBackfillRequest This data type is used to cancel a matchmaking backfill request.
+        //! @return Returns a generic outcome consisting of success or failure with an error message.
+        virtual Aws::GameLift::GenericOutcome StopMatchBackfill(const Aws::GameLift::Server::Model::StopMatchBackfillRequest& stopMatchBackfillRequest);
     };
 } // namespace AWSGameLift
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerManagerTest.cpp b/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerManagerTest.cpp
index 2c8929b297..d172734ec0 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerManagerTest.cpp
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerManagerTest.cpp
@@ -16,6 +16,136 @@
 
 namespace UnitTest
 {
+    static constexpr const char TEST_SERVER_MATCHMAKING_DATA[] =
+R"({
+    "matchId":"testmatchid",
+    "matchmakingConfigurationArn":"testmatchconfig",
+    "teams":[
+        {"name":"testteam",
+         "players":[
+             {"playerId":"testplayer",
+              "attributes":{
+                  "skills":{
+                      "attributeType":"STRING_DOUBLE_MAP",
+                      "valueAttribute":{"test1":10.0,"test2":20.0,"test3":30.0,"test4":40.0}
+                  },
+                  "mode":{
+                      "attributeType":"STRING",
+                      "valueAttribute":"testmode"
+                  },
+                  "level":{
+                      "attributeType":"NUMBER",
+                      "valueAttribute":10.0
+                  },
+                  "items":{
+                      "attributeType":"STRING_LIST",
+                      "valueAttribute":["test1","test2","test3"]
+                  }
+              }}
+         ]}
+    ]
+})";
+
+    Aws::GameLift::Server::Model::StartMatchBackfillRequest GetTestStartMatchBackfillRequest()
+    {
+        Aws::GameLift::Server::Model::StartMatchBackfillRequest request;
+        request.SetMatchmakingConfigurationArn("testmatchconfig");
+        Aws::GameLift::Server::Model::Player player;
+        player.SetPlayerId("testplayer");
+        player.SetTeam("testteam");
+        player.AddPlayerAttribute("mode", Aws::GameLift::Server::Model::AttributeValue("testmode"));
+        player.AddPlayerAttribute("level", Aws::GameLift::Server::Model::AttributeValue(10.0));
+        auto sdmValue = Aws::GameLift::Server::Model::AttributeValue::ConstructStringDoubleMap();
+        sdmValue.AddStringAndDouble("test1", 10.0);
+        player.AddPlayerAttribute("skills", sdmValue);
+        auto slValue = Aws::GameLift::Server::Model::AttributeValue::ConstructStringList();
+        slValue.AddString("test1");
+        player.AddPlayerAttribute("items", slValue);
+        player.AddLatencyInMs("testregion", 10);
+        request.AddPlayer(player);
+        request.SetTicketId("testticket");
+        return request;
+    }
+
+    AWSGameLiftPlayer GetTestGameLiftPlayer()
+    {
+        AWSGameLiftPlayer player;
+        player.m_team = "testteam";
+        player.m_playerId = "testplayer";
+        player.m_playerAttributes.emplace("mode", "{\"S\": \"testmode\"}");
+        player.m_playerAttributes.emplace("level", "{\"N\": 10.0}");
+        player.m_playerAttributes.emplace("skills", "{\"SDM\": {\"test1\":10.0}}");
+        player.m_playerAttributes.emplace("items", "{\"SL\": [\"test1\"]}");
+        player.m_latencyInMs.emplace("testregion", 10);
+        return player;
+    }
+
+    MATCHER_P(StartMatchBackfillRequestMatcher, expectedRequest, "")
+    {
+        // Custome matcher for checking the SearchSessionsResponse type argument.
+        AZ_UNUSED(result_listener);
+        if (strcmp(arg.GetGameSessionArn().c_str(), expectedRequest.GetGameSessionArn().c_str()) != 0)
+        {
+            return false;
+        }
+        if (strcmp(arg.GetMatchmakingConfigurationArn().c_str(), expectedRequest.GetMatchmakingConfigurationArn().c_str()) != 0)
+        {
+            return false;
+        }
+        if (strcmp(arg.GetTicketId().c_str(), expectedRequest.GetTicketId().c_str()) != 0)
+        {
+            return false;
+        }
+        if (arg.GetPlayers().size() != expectedRequest.GetPlayers().size())
+        {
+            return false;
+        }
+        for (int playerIndex = 0; playerIndex < expectedRequest.GetPlayers().size(); playerIndex++)
+        {
+            auto actualPlayerAttributes = arg.GetPlayers()[playerIndex].GetPlayerAttributes();
+            auto expectedPlayerAttributes = expectedRequest.GetPlayers()[playerIndex].GetPlayerAttributes();
+            if (actualPlayerAttributes.size() != expectedPlayerAttributes.size())
+            {
+                return false;
+            }
+            for (auto attributePair : expectedPlayerAttributes)
+            {
+                if (actualPlayerAttributes.find(attributePair.first) == actualPlayerAttributes.end())
+                {
+                    return false;
+                }
+                if (!(attributePair.second.GetType() == actualPlayerAttributes[attributePair.first].GetType() &&
+                      (attributePair.second.GetS() == actualPlayerAttributes[attributePair.first].GetS() ||
+                       attributePair.second.GetN() == actualPlayerAttributes[attributePair.first].GetN() ||
+                       attributePair.second.GetSL() == actualPlayerAttributes[attributePair.first].GetSL() ||
+                       attributePair.second.GetSDM() == actualPlayerAttributes[attributePair.first].GetSDM())))
+                {
+                    return false;
+                }
+            }
+
+            auto actualLatencies = arg.GetPlayers()[playerIndex].GetLatencyInMs();
+            auto expectedLatencies = expectedRequest.GetPlayers()[playerIndex].GetLatencyInMs();
+            if (actualLatencies.size() != expectedLatencies.size())
+            {
+                return false;
+            }
+            for (auto latencyPair : expectedLatencies)
+            {
+                if (actualLatencies.find(latencyPair.first) == actualLatencies.end())
+                {
+                    return false;
+                }
+                if (latencyPair.second != actualLatencies[latencyPair.first])
+                {
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
+
     class SessionNotificationsHandlerMock
         : public AzFramework::SessionNotificationBus::Handler
     {
@@ -33,6 +163,7 @@ namespace UnitTest
         MOCK_METHOD0(OnSessionHealthCheck, bool());
         MOCK_METHOD1(OnCreateSessionBegin, bool(const AzFramework::SessionConfig&));
         MOCK_METHOD0(OnDestroySessionBegin, bool());
+        MOCK_METHOD2(OnUpdateSessionBegin, void(const AzFramework::SessionConfig&, const AZStd::string&));
     };
 
     class GameLiftServerManagerTest
@@ -228,6 +359,64 @@ namespace UnitTest
         AZ_TEST_STOP_TRACE_SUPPRESSION(1);
     }
 
+    TEST_F(GameLiftServerManagerTest, OnUpdateGameSession_TriggerWithUnknownReason_OnUpdateSessionBeginGetCalledOnce)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->NotifyGameLiftProcessReady();
+        SessionNotificationsHandlerMock handlerMock;
+        EXPECT_CALL(handlerMock, OnUpdateSessionBegin(testing::_, testing::_)).Times(1);
+
+        m_serverManager->m_gameLiftServerSDKWrapperMockPtr->m_onUpdateGameSessionFunc(
+            Aws::GameLift::Server::Model::UpdateGameSession(
+                Aws::GameLift::Server::Model::GameSession(),
+                Aws::GameLift::Server::Model::UpdateReason::UNKNOWN,
+                "testticket"));
+    }
+
+    TEST_F(GameLiftServerManagerTest, OnUpdateGameSession_TriggerWithEmptyMatchmakingData_OnUpdateSessionBeginGetCalledOnce)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->NotifyGameLiftProcessReady();
+        SessionNotificationsHandlerMock handlerMock;
+        EXPECT_CALL(handlerMock, OnUpdateSessionBegin(testing::_, testing::_)).Times(1);
+
+        m_serverManager->m_gameLiftServerSDKWrapperMockPtr->m_onUpdateGameSessionFunc(
+            Aws::GameLift::Server::Model::UpdateGameSession(
+                Aws::GameLift::Server::Model::GameSession(),
+                Aws::GameLift::Server::Model::UpdateReason::MATCHMAKING_DATA_UPDATED,
+                "testticket"));
+    }
+
+    TEST_F(GameLiftServerManagerTest, OnUpdateGameSession_TriggerWithValidMatchmakingData_OnUpdateSessionBeginGetCalledOnce)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->NotifyGameLiftProcessReady();
+        SessionNotificationsHandlerMock handlerMock;
+        EXPECT_CALL(handlerMock, OnUpdateSessionBegin(testing::_, testing::_)).Times(1);
+
+        Aws::GameLift::Server::Model::GameSession gameSession;
+        gameSession.SetMatchmakerData(TEST_SERVER_MATCHMAKING_DATA);
+        m_serverManager->m_gameLiftServerSDKWrapperMockPtr->m_onUpdateGameSessionFunc(
+            Aws::GameLift::Server::Model::UpdateGameSession(
+                gameSession, Aws::GameLift::Server::Model::UpdateReason::MATCHMAKING_DATA_UPDATED, "testticket"));
+    }
+
+    TEST_F(GameLiftServerManagerTest, OnUpdateGameSession_TriggerWithInvalidMatchmakingData_OnUpdateSessionBeginGetCalledOnce)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->NotifyGameLiftProcessReady();
+        SessionNotificationsHandlerMock handlerMock;
+        EXPECT_CALL(handlerMock, OnUpdateSessionBegin(testing::_, testing::_)).Times(1);
+
+        Aws::GameLift::Server::Model::GameSession gameSession;
+        gameSession.SetMatchmakerData("{invalid}");
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        m_serverManager->m_gameLiftServerSDKWrapperMockPtr->m_onUpdateGameSessionFunc(
+            Aws::GameLift::Server::Model::UpdateGameSession(
+                gameSession, Aws::GameLift::Server::Model::UpdateReason::MATCHMAKING_DATA_UPDATED, "testticket"));
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+    }
+
     TEST_F(GameLiftServerManagerTest, ValidatePlayerJoinSession_CallWithInvalidConnectionConfig_GetFalseResultAndExpectedErrorLog)
     {
         AZ_TEST_START_TRACE_SUPPRESSION;
@@ -425,4 +614,331 @@ namespace UnitTest
         }
         AZ_TEST_STOP_TRACE_SUPPRESSION(testThreadNumber - 1); // The player is only disconnected once.
     }
+
+    TEST_F(GameLiftServerManagerTest, UpdateGameSessionData_CallWithInvalidMatchmakingData_GetExpectedError)
+    {
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        m_serverManager->SetupTestMatchmakingData("{invalid}");
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallWithInvalidMatchmakingData_GetEmptyResult)
+    {
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        m_serverManager->SetupTestMatchmakingData("{invalid}");
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        EXPECT_TRUE(actualResult.empty());
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallWithEmptyMatchmakingData_GetEmptyResult)
+    {
+        m_serverManager->SetupTestMatchmakingData("");
+
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        EXPECT_TRUE(actualResult.empty());
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallButDescribePlayerError_GetEmptyResult)
+    {
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        Aws::GameLift::GameLiftError error;
+        Aws::GameLift::DescribePlayerSessionsOutcome errorOutcome(error);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .Times(1)
+            .WillOnce(Return(errorOutcome));
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_TRUE(actualResult.empty());
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallButNoActivePlayer_GetEmptyResult)
+    {
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        Aws::GameLift::Server::Model::DescribePlayerSessionsResult result;
+        Aws::GameLift::DescribePlayerSessionsOutcome successOutcome(result);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .Times(1)
+            .WillOnce(Return(successOutcome));
+
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        EXPECT_TRUE(actualResult.empty());
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallWithValidMatchmakingData_GetExpectedResult)
+    {
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        Aws::GameLift::Server::Model::PlayerSession playerSession;
+        playerSession.SetPlayerId("testplayer");
+        Aws::GameLift::Server::Model::DescribePlayerSessionsResult result;
+        result.AddPlayerSessions(playerSession);
+        Aws::GameLift::DescribePlayerSessionsOutcome successOutcome(result);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .Times(1)
+            .WillOnce(Return(successOutcome));
+
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        EXPECT_TRUE(actualResult.size() == 1);
+        EXPECT_TRUE(actualResult[0].m_team == "testteam");
+        EXPECT_TRUE(actualResult[0].m_playerId == "testplayer");
+        EXPECT_TRUE(actualResult[0].m_playerAttributes.size() == 4);
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallWithMultiDescribePlayerButError_GetEmptyResult)
+    {
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA, 50);
+
+        Aws::GameLift::GameLiftError error;
+        Aws::GameLift::DescribePlayerSessionsOutcome errorOutcome(error);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .Times(1)
+            .WillOnce(Return(errorOutcome));
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_TRUE(actualResult.empty());
+    }
+
+    TEST_F(GameLiftServerManagerTest, GetActiveServerMatchBackfillPlayers_CallWithMultiDescribePlayer_GetExpectedResult)
+    {
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA, 50);
+
+        Aws::GameLift::Server::Model::PlayerSession playerSession1;
+        playerSession1.SetPlayerId("testplayer");
+        Aws::GameLift::Server::Model::DescribePlayerSessionsResult result1;
+        result1.AddPlayerSessions(playerSession1);
+        result1.SetNextToken("testtoken");
+        Aws::GameLift::DescribePlayerSessionsOutcome successOutcome1(result1);
+
+        Aws::GameLift::Server::Model::PlayerSession playerSession2;
+        playerSession2.SetPlayerId("playernotinmatch");
+        Aws::GameLift::Server::Model::DescribePlayerSessionsResult result2;
+        result2.AddPlayerSessions(playerSession2);
+        Aws::GameLift::DescribePlayerSessionsOutcome successOutcome2(result2);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .WillOnce(Return(successOutcome1))
+            .WillOnce(Return(successOutcome2));
+
+        auto actualResult = m_serverManager->GetTestServerMatchBackfillPlayers();
+        EXPECT_TRUE(actualResult.size() == 1);
+        EXPECT_TRUE(actualResult[0].m_team == "testteam");
+        EXPECT_TRUE(actualResult[0].m_playerId == "testplayer");
+        EXPECT_TRUE(actualResult[0].m_playerAttributes.size() == 4);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_SDKNotInitialized_GetExpectedError)
+    {
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", {});
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithEmptyMatchmakingData_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData("");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", {});
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithInvalidPlayerAttribute_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        AWSGameLiftPlayer testPlayer = GetTestGameLiftPlayer();
+        testPlayer.m_playerAttributes.clear();
+        testPlayer.m_playerAttributes.emplace("invalidattribute", "{invalid}");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", { testPlayer });
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithWrongPlayerAttributeType_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        AWSGameLiftPlayer testPlayer = GetTestGameLiftPlayer();
+        testPlayer.m_playerAttributes.clear();
+        testPlayer.m_playerAttributes.emplace("invalidattribute", "{\"SDM\": [\"test1\"]}");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", { testPlayer });
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithUnexpectedPlayerAttributeType_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        AWSGameLiftPlayer testPlayer = GetTestGameLiftPlayer();
+        testPlayer.m_playerAttributes.clear();
+        testPlayer.m_playerAttributes.emplace("invalidattribute", "{\"UNEXPECTED\": [\"test1\"]}");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", { testPlayer });
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithWrongSLPlayerAttributeValue_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        AWSGameLiftPlayer testPlayer = GetTestGameLiftPlayer();
+        testPlayer.m_playerAttributes.clear();
+        testPlayer.m_playerAttributes.emplace("invalidattribute", "{\"SL\": [10.0]}");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", { testPlayer });
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithWrongSDMPlayerAttributeValue_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        AWSGameLiftPlayer testPlayer = GetTestGameLiftPlayer();
+        testPlayer.m_playerAttributes.clear();
+        testPlayer.m_playerAttributes.emplace("invalidattribute", "{\"SDM\": {10.0: \"test1\"}}");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", { testPlayer });
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithValidPlayersData_GetExpectedResult)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        Aws::GameLift::Server::Model::StartMatchBackfillResult backfillResult;
+        Aws::GameLift::StartMatchBackfillOutcome backfillSuccessOutcome(backfillResult);
+        Aws::GameLift::Server::Model::StartMatchBackfillRequest request = GetTestStartMatchBackfillRequest();
+
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), StartMatchBackfill(StartMatchBackfillRequestMatcher(request)))
+            .Times(1)
+            .WillOnce(Return(backfillSuccessOutcome));
+
+        AWSGameLiftPlayer testPlayer = GetTestGameLiftPlayer();
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", {testPlayer});
+        EXPECT_TRUE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallWithoutGivingPlayersData_GetExpectedResult)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        Aws::GameLift::Server::Model::PlayerSession playerSession;
+        playerSession.SetPlayerId("testplayer");
+        Aws::GameLift::Server::Model::DescribePlayerSessionsResult result;
+        result.AddPlayerSessions(playerSession);
+        Aws::GameLift::DescribePlayerSessionsOutcome successOutcome(result);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .Times(1)
+            .WillOnce(Return(successOutcome));
+
+        Aws::GameLift::Server::Model::StartMatchBackfillResult backfillResult;
+        Aws::GameLift::StartMatchBackfillOutcome backfillSuccessOutcome(backfillResult);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), StartMatchBackfill(testing::_))
+            .Times(1)
+            .WillOnce(Return(backfillSuccessOutcome));
+
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", {});
+        EXPECT_TRUE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StartMatchBackfill_CallButStartBackfillFail_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        Aws::GameLift::Server::Model::PlayerSession playerSession;
+        playerSession.SetPlayerId("testplayer");
+        Aws::GameLift::Server::Model::DescribePlayerSessionsResult result;
+        result.AddPlayerSessions(playerSession);
+        Aws::GameLift::DescribePlayerSessionsOutcome successOutcome(result);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), DescribePlayerSessions(testing::_))
+            .Times(1)
+            .WillOnce(Return(successOutcome));
+
+        Aws::GameLift::GameLiftError error;
+        Aws::GameLift::StartMatchBackfillOutcome errorOutcome(error);
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), StartMatchBackfill(testing::_))
+            .Times(1)
+            .WillOnce(Return(errorOutcome));
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StartMatchBackfill("testticket", {});
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StopMatchBackfill_SDKNotInitialized_GetExpectedError)
+    {
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StopMatchBackfill("testticket");
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StopMatchBackfill_CallWithEmptyMatchmakingData_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData("");
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StopMatchBackfill("testticket");
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StopMatchBackfill_CallAndSuccessOutcome_GetExpectedResult)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), StopMatchBackfill(testing::_))
+            .Times(1)
+            .WillOnce(Return(Aws::GameLift::GenericOutcome(nullptr)));
+
+        auto actualResult = m_serverManager->StopMatchBackfill("testticket");
+        EXPECT_TRUE(actualResult);
+    }
+
+    TEST_F(GameLiftServerManagerTest, StopMatchBackfill_CallButErrorOutcome_GetExpectedError)
+    {
+        m_serverManager->InitializeGameLiftServerSDK();
+        m_serverManager->SetupTestMatchmakingData(TEST_SERVER_MATCHMAKING_DATA);
+
+        EXPECT_CALL(*(m_serverManager->m_gameLiftServerSDKWrapperMockPtr), StopMatchBackfill(testing::_))
+            .Times(1)
+            .WillOnce(Return(Aws::GameLift::GenericOutcome()));
+
+        AZ_TEST_START_TRACE_SUPPRESSION;
+        auto actualResult = m_serverManager->StopMatchBackfill("testticket");
+        AZ_TEST_STOP_TRACE_SUPPRESSION(1);
+        EXPECT_FALSE(actualResult);
+    }
 } // namespace UnitTest
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerMocks.h b/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerMocks.h
index 24336680b0..7ab9c51cd1 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerMocks.h
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/Tests/AWSGameLiftServerMocks.h
@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include <AWSGameLiftPlayer.h>
 #include <AWSGameLiftServerSystemComponent.h>
 #include <AWSGameLiftServerManager.h>
 #include <GameLiftServerSDKWrapper.h>
@@ -40,17 +41,25 @@ namespace UnitTest
 
         MOCK_METHOD1(AcceptPlayerSession, GenericOutcome(const std::string&));
         MOCK_METHOD0(ActivateGameSession, GenericOutcome());
+        MOCK_METHOD1(DescribePlayerSessions, DescribePlayerSessionsOutcome(
+            const Aws::GameLift::Server::Model::DescribePlayerSessionsRequest&));
         MOCK_METHOD0(InitSDK, Server::InitSDKOutcome());
         MOCK_METHOD1(ProcessReady, GenericOutcome(const Server::ProcessParameters& processParameters));
         MOCK_METHOD0(ProcessEnding, GenericOutcome());
         MOCK_METHOD1(RemovePlayerSession, GenericOutcome(const AZStd::string& playerSessionId));
         MOCK_METHOD0(GetTerminationTime, AZStd::string());
+        MOCK_METHOD1(StartMatchBackfill, StartMatchBackfillOutcome(
+            const Aws::GameLift::Server::Model::StartMatchBackfillRequest&));
+        MOCK_METHOD1(StopMatchBackfill, GenericOutcome(
+            const Aws::GameLift::Server::Model::StopMatchBackfillRequest&));
+
 
         GenericOutcome ProcessReadyMock(const Server::ProcessParameters& processParameters)
         {
             m_healthCheckFunc = processParameters.getOnHealthCheck();
             m_onStartGameSessionFunc = processParameters.getOnStartGameSession();
             m_onProcessTerminateFunc = processParameters.getOnProcessTerminate();
+            m_onUpdateGameSessionFunc = processParameters.getOnUpdateGameSession();
 
             GenericOutcome successOutcome(nullptr);
             return successOutcome;
@@ -59,6 +68,7 @@ namespace UnitTest
         AZStd::function<bool()> m_healthCheckFunc;
         AZStd::function<void()> m_onProcessTerminateFunc;
         AZStd::function<void(Aws::GameLift::Server::Model::GameSession)> m_onStartGameSessionFunc;
+        AZStd::function<void(Aws::GameLift::Server::Model::UpdateGameSession)> m_onUpdateGameSessionFunc;
     };
 
     class AWSGameLiftServerManagerMock
@@ -78,12 +88,25 @@ namespace UnitTest
             m_gameLiftServerSDKWrapperMockPtr = nullptr;
         }
 
+        void SetupTestMatchmakingData(const AZStd::string& matchmakingData, int maxPlayer = 10)
+        {
+            m_testGameSession.SetMatchmakerData(matchmakingData.c_str());
+            m_testGameSession.SetMaximumPlayerSessionCount(maxPlayer);
+            UpdateGameSessionData(m_testGameSession);
+        }
+
         bool AddConnectedTestPlayer(const AzFramework::PlayerConnectionConfig& playerConnectionConfig)
         {
             return AddConnectedPlayer(playerConnectionConfig);
         }
 
+        AZStd::vector<AWSGameLiftPlayer> GetTestServerMatchBackfillPlayers()
+        {
+            return GetActiveServerMatchBackfillPlayers();
+        }
+
         NiceMock<GameLiftServerSDKWrapperMock>* m_gameLiftServerSDKWrapperMockPtr;
+        Aws::GameLift::Server::Model::GameSession m_testGameSession;
     };
 
     class AWSGameLiftServerSystemComponentMock
diff --git a/Gems/AWSGameLift/Code/AWSGameLiftServer/awsgamelift_server_files.cmake b/Gems/AWSGameLift/Code/AWSGameLiftServer/awsgamelift_server_files.cmake
index 95b5e1d2d2..9039c9943e 100644
--- a/Gems/AWSGameLift/Code/AWSGameLiftServer/awsgamelift_server_files.cmake
+++ b/Gems/AWSGameLift/Code/AWSGameLiftServer/awsgamelift_server_files.cmake
@@ -7,6 +7,8 @@
 #
 
 set(FILES
+    ../AWSGameLiftCommon/Include/AWSGameLiftPlayer.h
+    ../AWSGameLiftCommon/Source/AWSGameLiftPlayer.cpp
     ../AWSGameLiftCommon/Source/AWSGameLiftSessionConstants.h
     Include/Request/IAWSGameLiftServerRequests.h
     Source/AWSGameLiftServerManager.cpp
diff --git a/Gems/Atom/Asset/ImageProcessingAtom/Code/CMakeLists.txt b/Gems/Atom/Asset/ImageProcessingAtom/Code/CMakeLists.txt
index 836f173632..982ec43715 100644
--- a/Gems/Atom/Asset/ImageProcessingAtom/Code/CMakeLists.txt
+++ b/Gems/Atom/Asset/ImageProcessingAtom/Code/CMakeLists.txt
@@ -64,7 +64,7 @@ ly_add_target(
             3rdParty::Qt::Gui
             3rdParty::astc-encoder
             3rdParty::squish-ccr
-            3rdParty::tiff
+            3rdParty::TIFF
             3rdParty::ISPCTexComp
             3rdParty::ilmbase
             AZ::AzFramework
diff --git a/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.azsl b/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.azsl
index 05059aba6f..523353f8fa 100644
--- a/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.azsl
+++ b/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.azsl
@@ -9,7 +9,7 @@
 #include "Skin_Common.azsli"
 
 // SRGs
-#include <Atom/Features/PBR/DefaultObjectSrg.azsli>
+#include <Atom/Features/Skin/SkinObjectSrg.azsli>
 #include <Atom/Features/PBR/ForwardPassSrg.azsli>
 
 // Pass Output
diff --git a/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.materialtype b/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.materialtype
index 0969cc36e8..e4da9c6022 100644
--- a/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.materialtype
+++ b/Gems/Atom/Feature/Common/Assets/Materials/Types/Skin.materialtype
@@ -973,15 +973,15 @@
             "tag": "ForwardPass"
         },
         {
-            "file": "Shaders/Shadow/Shadowmap.shader",
+            "file": "Shaders/Shadow/ShadowmapSkin.shader",
             "tag": "Shadowmap"
         },
         {
-            "file": "Shaders/Depth/DepthPass.shader",
+            "file": "Shaders/Depth/DepthPassSkin.shader",
             "tag": "DepthPass"
         },
         {
-            "file": "Shaders/MotionVector/MeshMotionVector.shader",
+            "file": "Shaders/MotionVector/MeshMotionVectorSkin.shader",
             "tag": "MeshMotionVector"
         }
     ],
diff --git a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/DefaultObjectSrg.azsli b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/DefaultObjectSrg.azsli
index 7a2d2ee428..10526597cb 100644
--- a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/DefaultObjectSrg.azsli
+++ b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/DefaultObjectSrg.azsli
@@ -27,16 +27,6 @@ ShaderResourceGroup ObjectSrg : SRG_PerObject
         return SceneSrg::GetObjectToWorldInverseTransposeMatrix(m_objectId);
     }
 
-    //[GFX TODO][ATOM-15280] Move wrinkle mask data from the default object srg into something specific to the Skin shader
-    uint m_wrinkle_mask_count;
-    float4 m_wrinkle_mask_weights[4];
-    Texture2D m_wrinkle_masks[16];
-
-    float GetWrinkleMaskWeight(uint index)
-    {
-        return m_wrinkle_mask_weights[index / 4][index % 4];
-    }
-
     //! Reflection Probe (smallest probe volume that overlaps the object position)
     struct ReflectionProbeData
     {
diff --git a/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Skin/SkinObjectSrg.azsli b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Skin/SkinObjectSrg.azsli
new file mode 100644
index 0000000000..d0766c295d
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/Skin/SkinObjectSrg.azsli
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <scenesrg.srgi>
+
+ShaderResourceGroup ObjectSrg : SRG_PerObject
+{
+    uint m_objectId;
+
+    //! Returns the matrix for transforming points from Object Space to World Space.
+    float4x4 GetWorldMatrix()
+    {
+        return SceneSrg::GetObjectToWorldMatrix(m_objectId);
+    }
+
+    //! Returns the inverse-transpose of the world matrix.
+    //! Commonly used to transform normals while supporting non-uniform scale.
+    float3x3 GetWorldMatrixInverseTranspose()
+    {
+        return SceneSrg::GetObjectToWorldInverseTransposeMatrix(m_objectId);
+    }
+
+    uint m_wrinkle_mask_count;
+    float4 m_wrinkle_mask_weights[4];
+    Texture2D m_wrinkle_masks[16];
+
+    float GetWrinkleMaskWeight(uint index)
+    {
+        return m_wrinkle_mask_weights[index / 4][index % 4];
+    }
+
+    //! Reflection Probe (smallest probe volume that overlaps the object position)
+    struct ReflectionProbeData
+    {
+        row_major float3x4 m_modelToWorld;
+        row_major float3x4 m_modelToWorldInverse; // does not include extents
+        float3 m_outerObbHalfLengths;
+        float3 m_innerObbHalfLengths;
+        float m_padding;
+        bool m_useReflectionProbe;
+        bool m_useParallaxCorrection;
+    };
+
+    ReflectionProbeData m_reflectionProbeData;
+    TextureCube m_reflectionProbeCubeMap;
+
+    float4x4 GetReflectionProbeWorldMatrix()
+    {
+        float4x4 modelToWorld = float4x4(
+            float4(1, 0, 0, 0),
+            float4(0, 1, 0, 0),
+            float4(0, 0, 1, 0),
+            float4(0, 0, 0, 1));
+
+        modelToWorld[0] = m_reflectionProbeData.m_modelToWorld[0];
+        modelToWorld[1] = m_reflectionProbeData.m_modelToWorld[1];
+        modelToWorld[2] = m_reflectionProbeData.m_modelToWorld[2];
+        return modelToWorld;
+    }
+
+    float4x4 GetReflectionProbeWorldMatrixInverse()
+    {
+        float4x4 modelToWorldInverse = float4x4(
+            float4(1, 0, 0, 0),
+            float4(0, 1, 0, 0),
+            float4(0, 0, 1, 0),
+            float4(0, 0, 0, 1));
+
+        modelToWorldInverse[0] = m_reflectionProbeData.m_modelToWorldInverse[0];
+        modelToWorldInverse[1] = m_reflectionProbeData.m_modelToWorldInverse[1];
+        modelToWorldInverse[2] = m_reflectionProbeData.m_modelToWorldInverse[2];
+        return modelToWorldInverse;
+    }
+}
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPass.azsl b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPass.azsl
index 8eb657f8f5..876f4b1a61 100644
--- a/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPass.azsl
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPass.azsl
@@ -6,30 +6,7 @@
  *
  */
 
-#include <viewsrg.srgi>
 #include <Atom/Features/PBR/DefaultObjectSrg.azsli>
+#include <DepthPassCommon.azsli>
 
-struct VSInput
-{
-    float3 m_position : POSITION;
-};
- 
-struct VSDepthOutput
-{
-    float4 m_position : SV_Position;
-};
-
-VSDepthOutput DepthPassVS(VSInput IN)
-{
-    VSDepthOutput OUT;
- 
-    float4x4 objectToWorld = ObjectSrg::GetWorldMatrix();
-    float4 worldPosition = mul(objectToWorld, float4(IN.m_position, 1.0));
-    OUT.m_position = mul(ViewSrg::m_viewProjectionMatrix, worldPosition);
-
-    return OUT;
-}
-
-
-
-
+// Use the depth pass shader with the default object srg
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassCommon.azsli b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassCommon.azsli
new file mode 100644
index 0000000000..f658dd13da
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassCommon.azsli
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <viewsrg.srgi>
+
+struct VSInput
+{
+    float3 m_position : POSITION;
+};
+ 
+struct VSDepthOutput
+{
+    float4 m_position : SV_Position;
+};
+
+VSDepthOutput DepthPassVS(VSInput IN)
+{
+    VSDepthOutput OUT;
+ 
+    float4x4 objectToWorld = ObjectSrg::GetWorldMatrix();
+    float4 worldPosition = mul(objectToWorld, float4(IN.m_position, 1.0));
+    OUT.m_position = mul(ViewSrg::m_viewProjectionMatrix, worldPosition);
+
+    return OUT;
+}
+
+
+
+
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassSkin.azsl b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassSkin.azsl
new file mode 100644
index 0000000000..0947be6cf8
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassSkin.azsl
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <Atom/Features/Skin/SkinObjectSrg.azsli>
+#include <DepthPassCommon.azsli>
+
+// Use the depth pass shader with the skin object srg
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassSkin.shader b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassSkin.shader
new file mode 100644
index 0000000000..de6c989223
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Depth/DepthPassSkin.shader
@@ -0,0 +1,24 @@
+{
+    "Source" : "DepthPassSkin",
+
+    "DepthStencilState" : { 
+        "Depth" : { "Enable" : true, "CompareFunc" : "GreaterEqual" }
+    },
+
+    "CompilerHints" : { 
+        "DisableOptimizations" : false
+    },
+
+    "ProgramSettings" : 
+    {
+        "EntryPoints":
+        [
+            {
+                "name": "DepthPassVS",
+                "type" : "Vertex"
+            }
+        ] 
+    },
+
+    "DrawList" : "depth"
+}
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVector.azsl b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVector.azsl
index 11cf20dcaf..a14d07194f 100644
--- a/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVector.azsl
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVector.azsl
@@ -6,77 +6,7 @@
  *
  */
 
-#include <scenesrg.srgi>
-#include <viewsrg.srgi>
-
 #include <Atom/Features/PBR/DefaultObjectSrg.azsli>
-#include <Atom/RPI/ShaderResourceGroups/DefaultDrawSrg.azsli>
+#include <MeshMotionVectorCommon.azsli>
 
-struct VSInput
-{
-    float3 m_position : POSITION;
-    
-    // This gets set automatically by the system at runtime only if it's available.
-    // There is a soft naming convention that associates this with o_prevPosition_isBound, which will be set to true whenever m_optional_prevPosition is available.
-    // (search "m_optional_" in ShaderVariantAssetBuilder for details on the naming convention).
-    // [GFX TODO][ATOM-14475]: Come up with a more elegant way to associate the isBound flag with the input stream.
-    // Vertex position of last frame to capture small scale motion due to vertex animation
-    float3 m_optional_prevPosition : POSITIONT;
-};
-
-struct VSOutput
-{
-    float4 m_position : SV_Position;
-    float3 m_worldPos : TEXCOORD0;
-    float3 m_worldPosPrev: TEXCOORD1;
-};
-
-struct PSOutput
-{
-    float2 m_motion : SV_Target0;
-};
-
-// Indicates whether the vertex input struct's "m_optional_prevPosition" is bound. If false, it is not safe to read from m_optional_prevPosition.
-// This option gets set automatically by the system at runtime; there is a soft naming convention that associates it with m_optional_prevPosition.
-// (search "m_optional_" in ShaderVariantAssetBuilder for details on the naming convention).
-// [GFX TODO][ATOM-14475]: Come up with a more elegant way to associate the isBound flag with the input stream.
-option bool o_prevPosition_isBound;
-
-VSOutput MainVS(VSInput IN)
-{
-    VSOutput OUT;
- 
-    OUT.m_worldPos = mul(SceneSrg::GetObjectToWorldMatrix(ObjectSrg::m_objectId), float4(IN.m_position, 1.0)).xyz;
-    OUT.m_position = mul(ViewSrg::m_viewProjectionMatrix, float4(OUT.m_worldPos, 1.0));
-
-    if (o_prevPosition_isBound)
-    {
-        OUT.m_worldPosPrev = mul(SceneSrg::GetObjectToWorldMatrixPrev(ObjectSrg::m_objectId), float4(IN.m_optional_prevPosition, 1.0)).xyz;
-    }
-    else
-    {
-        OUT.m_worldPosPrev = mul(SceneSrg::GetObjectToWorldMatrixPrev(ObjectSrg::m_objectId), float4(IN.m_position, 1.0)).xyz;
-    }
-
-    return OUT;
-}
-
-PSOutput MainPS(VSOutput IN)
-{
-    PSOutput OUT;
-
-    // Current clip position
-    float4 clipPos = mul(ViewSrg::m_viewProjectionMatrix, float4(IN.m_worldPos, 1.0));
-    
-    // Reprojected last frame's clip position, for skinned mesh it also implies last key frame
-    float4 clipPosPrev = mul(ViewSrg::m_viewProjectionPrevMatrix, float4(IN.m_worldPosPrev, 1.0));
-
-    float2 motion = (clipPos.xy / clipPos.w - clipPosPrev.xy / clipPosPrev.w) * 0.5;
-
-    OUT.m_motion = motion;
-    
-    // Flip y to line up with uv coordinates
-    OUT.m_motion.y = -OUT.m_motion.y;
-    
-    return OUT;
-}
+// Use the mesh motion vector with the default object srg
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorCommon.azsli b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorCommon.azsli
new file mode 100644
index 0000000000..c934b056db
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorCommon.azsli
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <scenesrg.srgi>
+#include <viewsrg.srgi>
+
+#include <Atom/RPI/ShaderResourceGroups/DefaultDrawSrg.azsli>
+
+struct VSInput
+{
+    float3 m_position : POSITION;
+    
+    // This gets set automatically by the system at runtime only if it's available.
+    // There is a soft naming convention that associates this with o_prevPosition_isBound, which will be set to true whenever m_optional_prevPosition is available.
+    // (search "m_optional_" in ShaderVariantAssetBuilder for details on the naming convention).
+    // [GFX TODO][ATOM-14475]: Come up with a more elegant way to associate the isBound flag with the input stream.
+    // Vertex position of last frame to capture small scale motion due to vertex animation
+    float3 m_optional_prevPosition : POSITIONT;
+};
+
+struct VSOutput
+{
+    float4 m_position : SV_Position;
+    float3 m_worldPos : TEXCOORD0;
+    float3 m_worldPosPrev: TEXCOORD1;
+};
+
+struct PSOutput
+{
+    float2 m_motion : SV_Target0;
+};
+
+// Indicates whether the vertex input struct's "m_optional_prevPosition" is bound. If false, it is not safe to read from m_optional_prevPosition.
+// This option gets set automatically by the system at runtime; there is a soft naming convention that associates it with m_optional_prevPosition.
+// (search "m_optional_" in ShaderVariantAssetBuilder for details on the naming convention).
+// [GFX TODO][ATOM-14475]: Come up with a more elegant way to associate the isBound flag with the input stream.
+option bool o_prevPosition_isBound;
+
+VSOutput MainVS(VSInput IN)
+{
+    VSOutput OUT;
+ 
+    OUT.m_worldPos = mul(SceneSrg::GetObjectToWorldMatrix(ObjectSrg::m_objectId), float4(IN.m_position, 1.0)).xyz;
+    OUT.m_position = mul(ViewSrg::m_viewProjectionMatrix, float4(OUT.m_worldPos, 1.0));
+
+    if (o_prevPosition_isBound)
+    {
+        OUT.m_worldPosPrev = mul(SceneSrg::GetObjectToWorldMatrixPrev(ObjectSrg::m_objectId), float4(IN.m_optional_prevPosition, 1.0)).xyz;
+    }
+    else
+    {
+        OUT.m_worldPosPrev = mul(SceneSrg::GetObjectToWorldMatrixPrev(ObjectSrg::m_objectId), float4(IN.m_position, 1.0)).xyz;
+    }
+
+    return OUT;
+}
+
+PSOutput MainPS(VSOutput IN)
+{
+    PSOutput OUT;
+
+    // Current clip position
+    float4 clipPos = mul(ViewSrg::m_viewProjectionMatrix, float4(IN.m_worldPos, 1.0));
+    
+    // Reprojected last frame's clip position, for skinned mesh it also implies last key frame
+    float4 clipPosPrev = mul(ViewSrg::m_viewProjectionPrevMatrix, float4(IN.m_worldPosPrev, 1.0));
+
+    float2 motion = (clipPos.xy / clipPos.w - clipPosPrev.xy / clipPosPrev.w) * 0.5;
+
+    OUT.m_motion = motion;
+    
+    // Flip y to line up with uv coordinates
+    OUT.m_motion.y = -OUT.m_motion.y;
+    
+    return OUT;
+}
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorSkin.azsl b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorSkin.azsl
new file mode 100644
index 0000000000..fc089ac7a3
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorSkin.azsl
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <Atom/Features/Skin/SkinObjectSrg.azsli>
+#include <MeshMotionVectorCommon.azsli>
+
+// Use the mesh motion vector with the skin object srg
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorSkin.shader b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorSkin.shader
new file mode 100644
index 0000000000..9a50e4e2cf
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/MotionVector/MeshMotionVectorSkin.shader
@@ -0,0 +1,24 @@
+{
+    "Source" : "MeshMotionVectorSkin",
+
+    "DepthStencilState" : { 
+        "Depth" : { "Enable" : true, "CompareFunc" : "GreaterEqual" }
+    },
+
+    "DrawList" : "motion",
+
+    "ProgramSettings":
+    {
+      "EntryPoints":
+      [
+        {
+          "name": "MainVS",
+          "type": "Vertex"
+        },
+        {
+          "name": "MainPS",
+          "type": "Fragment"
+        }
+      ]
+    }
+}
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/Shadowmap.azsl b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/Shadowmap.azsl
index 713ff7c393..7a958a73ca 100644
--- a/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/Shadowmap.azsl
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/Shadowmap.azsl
@@ -6,27 +6,7 @@
  *
  */
 
-#include <scenesrg.srgi>
-#include <viewsrg.srgi>
 #include <Atom/Features/PBR/DefaultObjectSrg.azsli>
+#include <ShadowmapCommon.azsli>
 
-struct VertexInput
-{
-    float3 m_position : POSITION;
-};
-
-struct VertexOutput
-{
-    float4 m_position : SV_Position;
-};
-
-VertexOutput MainVS(VertexInput input)
-{
-    const float4x4 worldMatrix = ObjectSrg::GetWorldMatrix();
-    VertexOutput output;
-    
-    const float3 worldPosition = mul(worldMatrix, float4(input.m_position, 1.0)).xyz;
-    output.m_position = mul(ViewSrg::m_viewProjectionMatrix, float4(worldPosition, 1.0));
-
-    return output;
-}
+// Use the shadowmap shader with the default object srg
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapCommon.azsli b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapCommon.azsli
new file mode 100644
index 0000000000..213fb18dc4
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapCommon.azsli
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#pragma once
+
+#include <scenesrg.srgi>
+#include <viewsrg.srgi>
+
+struct VertexInput
+{
+    float3 m_position : POSITION;
+};
+
+struct VertexOutput
+{
+    float4 m_position : SV_Position;
+};
+
+VertexOutput MainVS(VertexInput input)
+{
+    const float4x4 worldMatrix = ObjectSrg::GetWorldMatrix();
+    VertexOutput output;
+    
+    const float3 worldPosition = mul(worldMatrix, float4(input.m_position, 1.0)).xyz;
+    output.m_position = mul(ViewSrg::m_viewProjectionMatrix, float4(worldPosition, 1.0));
+
+    return output;
+}
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapSkin.azsl b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapSkin.azsl
new file mode 100644
index 0000000000..6f0d8e1a31
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapSkin.azsl
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+
+#include <Atom/Features/Skin/SkinObjectSrg.azsli>
+#include <ShadowmapCommon.azsli>
+
+// Use the shadowmap shader with the skin object srg
diff --git a/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapSkin.shader b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapSkin.shader
new file mode 100644
index 0000000000..14c1352c08
--- /dev/null
+++ b/Gems/Atom/Feature/Common/Assets/Shaders/Shadow/ShadowmapSkin.shader
@@ -0,0 +1,26 @@
+{
+    "Source" : "ShadowmapSkin",
+
+    "DepthStencilState" : { 
+        "Depth" : { "Enable" : true, "CompareFunc" : "LessEqual" }
+    },
+
+    "DrawList" : "shadow",
+
+    "RasterState" :
+    {
+        "depthBias" : "10",
+        "depthBiasSlopeScale" : "4"        
+    },
+
+    "ProgramSettings":
+    {
+      "EntryPoints":
+      [
+        {
+          "name": "MainVS",
+          "type": "Vertex"
+        }
+      ]
+    }
+}
diff --git a/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.h b/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.h
index 37835bd6a8..82cc1e7d50 100644
--- a/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.h
+++ b/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.h
@@ -30,6 +30,7 @@ namespace AZ::Render
         void Clear();
         IndexType GetFreeSlotIndex();
         void RemoveIndex(IndexType index);
+        void RemoveData(DataType* data);
 
         DataType& GetData(IndexType index);
         const DataType& GetData(IndexType index) const;
@@ -42,6 +43,7 @@ namespace AZ::Render
         const AZStd::vector<IndexType>& GetIndexVector() const;
 
         IndexType GetRawIndex(IndexType index) const;
+        IndexType GetIndexForData(const DataType* data) const;
 
     private:
         constexpr static size_t InitialReservedSize = 128;
diff --git a/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.inl b/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.inl
index 076caad7f4..581186dbcc 100644
--- a/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.inl
+++ b/Gems/Atom/Feature/Common/Code/Include/Atom/Feature/Utils/IndexedDataVector.inl
@@ -83,6 +83,16 @@ namespace AZ::Render
         m_indices.at(index) = m_firstFreeSlot;
         m_firstFreeSlot = index;
     }
+    
+    template<typename DataType, typename IndexType>
+    inline void IndexedDataVector<DataType, IndexType>::RemoveData(DataType* data)
+    {
+        IndexType indexForData = GetIndexForData(data);
+        if (indexForData != NoFreeSlot)
+        {
+            RemoveIndex(indexForData);
+        }
+    }
 
     template<typename DataType, typename IndexType>
     inline DataType& IndexedDataVector<DataType, IndexType>::GetData(IndexType index)
@@ -131,4 +141,14 @@ namespace AZ::Render
     {
         return m_indices.at(index);
     }
+    
+    template<typename DataType, typename IndexType>
+    IndexType IndexedDataVector<DataType, IndexType>::GetIndexForData(const DataType* data) const
+    {
+        if (data >= &m_data.front() && data <= &m_data.back())
+        {
+            return m_dataToIndices.at(data - &m_data.front());
+        }
+        return NoFreeSlot;
+    }
 } // namespace AZ::Render
diff --git a/Gems/Atom/RHI/3rdParty/Findrenderdoc.cmake b/Gems/Atom/RHI/3rdParty/Findrenderdoc.cmake
index f8f17392b3..4fc54b9733 100644
--- a/Gems/Atom/RHI/3rdParty/Findrenderdoc.cmake
+++ b/Gems/Atom/RHI/3rdParty/Findrenderdoc.cmake
@@ -10,6 +10,8 @@ ly_add_external_target(
     NAME renderdoc
     3RDPARTY_ROOT_DIRECTORY "${LY_RENDERDOC_PATH}"
     VERSION
-    INCLUDE_DIRECTORIES .
+    INCLUDE_DIRECTORIES
+        .
+        include
     COMPILE_DEFINITIONS USE_RENDERDOC
 )
diff --git a/Gems/Atom/RHI/3rdParty/Platform/Linux/renderdoc_linux.cmake b/Gems/Atom/RHI/3rdParty/Platform/Linux/renderdoc_linux.cmake
index a74d250901..6225cc292a 100644
--- a/Gems/Atom/RHI/3rdParty/Platform/Linux/renderdoc_linux.cmake
+++ b/Gems/Atom/RHI/3rdParty/Platform/Linux/renderdoc_linux.cmake
@@ -6,4 +6,4 @@
 #
 #
 
-set(RENDERDOC_RUNTIME_DEPENDENCIES "${BASE_PATH}/librenderdoc.so")
+set(RENDERDOC_RUNTIME_DEPENDENCIES "${BASE_PATH}/lib/librenderdoc.so")
diff --git a/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/Icons/blank.png b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/Icons/blank.png
new file mode 100644
index 0000000000..d040fa2e14
--- /dev/null
+++ b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/Icons/blank.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:81b5fa1f978888c3be8a40fce20455668df2723a77587aeb7039f8bf74bdd0e3
+size 119
diff --git a/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/Icons/changed_property.svg b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/Icons/changed_property.svg
new file mode 100644
index 0000000000..c33e340a54
--- /dev/null
+++ b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/Icons/changed_property.svg
@@ -0,0 +1,5 @@
+<svg width="12" height="12" viewBox="0 0 12 12" fill="none" xmlns="http://www.w3.org/2000/svg">
+<rect width="12" height="12" fill="white"/>
+<rect width="12" height="12" rx="1" fill="#4A90E2"/>
+<path d="M2.86112 7.45504L5.5 7.50007L1.11005 3.27505C0.963317 3.12572 0.963317 2.88361 1.11005 2.73429L2.70413 1.112C2.85086 0.962668 3.08876 0.962668 3.23549 1.112L7.5 5.50005L7.4487 2.73429C7.44894 2.52328 7.61709 2.35235 7.82443 2.35235L9.62427 2.35241C9.83178 2.35241 10 2.5236 10 2.73479V9.61762C10 9.8288 9.83178 10 9.62427 10H2.86112C2.65361 10 2.48539 9.8288 2.48539 9.61762L2.48559 7.83742C2.48559 7.62631 2.65369 7.45515 2.86112 7.45504Z" fill="#444444"/>
+</svg>
diff --git a/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/InspectorWidget.qrc b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/InspectorWidget.qrc
index 81a962801d..76733c52ed 100644
--- a/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/InspectorWidget.qrc
+++ b/Gems/Atom/Tools/AtomToolsFramework/Code/Source/Inspector/InspectorWidget.qrc
@@ -2,5 +2,7 @@
     <qresource>
         <file>Icons/group_closed.png</file>
         <file>Icons/group_open.png</file>
+        <file>Icons/blank.png</file>
+        <file>Icons/changed_property.svg</file>
     </qresource>
 </RCC>
diff --git a/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/Icons/skybox.svg b/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/Icons/skybox.svg
index 83df996198..a79bebdd46 100644
--- a/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/Icons/skybox.svg
+++ b/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/Icons/skybox.svg
@@ -1,15 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <!-- Generator: Sketch 53.2 (72643) - https://sketchapp.com -->
-    <title>icon / Environmental / Sky Highlight</title>
-    <desc>Created with Sketch.</desc>
-    <defs>
-        <path d="M10.875,5.34332825 L10.875,2.625 C10.875,2.00367966 11.3786797,1.5 12,1.5 C12.6213203,1.5 13.125,2.00367966 13.125,2.625 L13.125,5.34332825 C12.7591405,5.28194865 12.3833012,5.25 12,5.25 C11.6166988,5.25 11.2408595,5.28194865 10.875,5.34332825 L10.875,5.34332825 Z M15.9111012,6.49790859 L17.8336309,4.5753788 C18.2729708,4.13603897 18.9852814,4.13603897 19.4246212,4.5753788 C19.863961,5.01471863 19.863961,5.72702923 19.4246212,6.16636906 L17.5020914,8.08889885 C17.0642544,7.47406324 16.5259368,6.93574556 15.9111012,6.49790859 L15.9111012,6.49790859 Z M18.6566718,10.875 L21.375,10.875 C21.9963203,10.875 22.5,11.3786797 22.5,12 C22.5,12.6213203 21.9963203,13.125 21.375,13.125 L18.6566718,13.125 C18.7180514,12.7591405 18.75,12.3833012 18.75,12 C18.75,11.6166988 18.7180514,11.2408595 18.6566718,10.875 L18.6566718,10.875 Z M17.5020914,15.9111012 L19.4246212,17.8336309 C19.863961,18.2729708 19.863961,18.9852814 19.4246212,19.4246212 C18.9852814,19.863961 18.2729708,19.863961 17.8336309,19.4246212 L15.9111012,17.5020914 C16.5259368,17.0642544 17.0642544,16.5259368 17.5020914,15.9111012 L17.5020914,15.9111012 Z M13.125,18.6566718 L13.125,21.375 C13.125,21.9963203 12.6213203,22.5 12,22.5 C11.3786797,22.5 10.875,21.9963203 10.875,21.375 L10.875,18.6566718 C11.2408595,18.7180514 11.6166988,18.75 12,18.75 C12.3833012,18.75 12.7591405,18.7180514 13.125,18.6566718 L13.125,18.6566718 Z M8.08889885,17.5020914 L6.16636906,19.4246212 C5.72702923,19.863961 5.01471863,19.863961 4.5753788,19.4246212 C4.13603897,18.9852814 4.13603897,18.2729708 4.5753788,17.8336309 L6.49790859,15.9111012 C6.93574556,16.5259368 7.47406324,17.0642544 8.08889885,17.5020914 L8.08889885,17.5020914 Z M5.34332825,13.125 L2.625,13.125 C2.00367966,13.125 1.5,12.6213203 1.5,12 C1.5,11.3786797 2.00367966,10.875 2.625,10.875 L5.34332825,10.875 C5.28194865,11.2408595 5.25,11.6166988 5.25,12 C5.25,12.3833012 5.28194865,12.7591405 5.34332825,13.125 L5.34332825,13.125 Z M6.49790859,8.08889885 L4.5753788,6.16636906 C4.13603897,5.72702923 4.13603897,5.01471863 4.5753788,4.5753788 C5.01471863,4.13603897 5.72702923,4.13603897 6.16636906,4.5753788 L8.08889885,6.49790859 C7.47406324,6.93574556 6.93574556,7.47406324 6.49790859,8.08889885 Z M12,16 C9.790861,16 8,14.209139 8,12 C8,9.790861 9.790861,8 12,8 C14.209139,8 16,9.790861 16,12 C16,14.209139 14.209139,16 12,16 Z" id="path-1"></path>
-    </defs>
-    <g id="icon-/-Environmental-/-Sky-Highlight" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <mask id="mask-2" fill="white">
-            <use xlink:href="#path-1"></use>
-        </mask>
-        <use id="Shape" fill="#8BDD15" xlink:href="#path-1"></use>
-    </g>
-</svg>
\ No newline at end of file
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M22.3438 17.1096C22.3438 17.4789 22.1402 17.8181 21.8144 17.9919L12.4933 22.9632C12.1997 23.1197 11.8476 23.1201 11.5538 22.9641L2.18687 17.9915C1.86006 17.818 1.65576 17.4783 1.65576 17.1083V7.01127C1.65576 6.64874 1.85197 6.31461 2.16855 6.13798L11.0673 1.17335C11.6754 0.834121 12.4161 0.835535 13.0228 1.17709L21.8343 6.13729C22.149 6.31445 22.3438 6.64755 22.3438 7.0087V17.1096ZM18.5409 15.0325C18.4611 15.3007 18.3148 15.558 18.0922 15.7637L20.0423 16.8389L12.0216 21.1724L3.93436 16.8389L6.15868 15.6225C5.97079 15.422 5.80027 15.1916 5.66768 14.9666L3.58362 15.9796V7.38525L11.5543 3.0379V5.15478C11.9078 5.05561 12.2944 5.10892 12.6106 5.27134V3.0379L20.4596 7.38525V15.9796L18.5409 15.0325Z" fill="white"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M14.2539 15.7233C14.6484 16.1002 15.2132 16.3362 15.8405 16.3362C17.0332 16.3362 18 15.4831 18 14.4307C18 13.7082 17.5443 13.0796 16.8726 12.7566C16.9535 12.5453 16.9976 12.3178 16.9976 12.0806C16.9976 10.9698 16.0308 10.0693 14.8381 10.0693C13.6455 10.0693 12.6786 10.9698 12.6786 12.0806L12.6786 12.0885C12.2188 12.0885 11.846 12.4357 11.846 12.864C11.846 12.9208 11.8525 12.9761 11.865 13.0295C11.8017 13.0186 11.7369 13.0074 11.6705 12.9957C10.4155 12.7742 9.33382 13.6413 9.33382 14.6001C9.33382 15.5589 9.94577 15.9127 11.1967 16.3785C12.0329 16.5537 13.4996 16.6779 14.2539 15.7233Z" fill="white"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M8.56534 13.9147C7.87582 13.2747 7.44183 12.3443 7.44183 11.3086C7.44183 9.3783 8.94955 7.81348 10.8094 7.81348C11.9738 7.81348 13.0002 8.42682 13.605 9.3592C13.1565 9.55085 12.9243 9.83046 12.758 10.0721C12.472 10.4875 12.2905 10.9511 12.2905 11.286C12.1112 11.1809 11.7089 11.3109 11.5191 11.5007C11.3294 11.6904 11.2139 12.0368 11.2764 12.32L11.269 12.3179C11.0257 12.2484 10.4232 12.076 9.71747 12.4856C9.18575 12.7942 8.75166 13.2238 8.56534 13.9147Z" fill="white"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M10.7198 5.5C11.1341 5.50049 11.4694 5.83668 11.4689 6.25089L11.4676 7.4149C11.225 7.36682 10.9741 7.34161 10.7173 7.34161C10.4607 7.34161 10.21 7.36679 9.96757 7.41481L9.96895 6.24911C9.96944 5.8349 10.3056 5.49951 10.7198 5.5ZM7.62108 8.9143C7.91801 8.50756 8.29357 8.16156 8.7255 7.89854L7.96371 7.11207C7.67552 6.81455 7.2007 6.80698 6.90318 7.09517C6.60566 7.38336 6.59809 7.85818 6.88628 8.1557L7.62108 8.9143ZM6.91223 11.5693C6.89769 11.4341 6.89023 11.2968 6.89023 11.1578C6.89023 10.7796 6.9454 10.4142 7.04816 10.0693H5.81698C5.40277 10.0693 5.06698 10.4051 5.06698 10.8193C5.06698 11.2335 5.40277 11.5693 5.81698 11.5693H6.91223ZM8.06611 13.9099C7.75724 13.614 7.49807 13.2669 7.30234 12.8822L6.30037 13.6199C5.96681 13.8655 5.89548 14.3349 6.14106 14.6685C6.38663 15.0021 6.85612 15.0734 7.18968 14.8278L8.1963 14.0867L8.06611 13.9099ZM12.8339 7.97783C13.2546 8.25681 13.6168 8.61658 13.8981 9.03493L14.6921 8.24344C14.9854 7.95101 14.9862 7.47613 14.6938 7.18278C14.4013 6.88943 13.9265 6.88869 13.6331 7.18112L12.8339 7.97783Z" fill="white"/>
+</svg>
diff --git a/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/MaterialInspector/MaterialInspector.cpp b/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/MaterialInspector/MaterialInspector.cpp
index 025de21d31..e99f456653 100644
--- a/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/MaterialInspector/MaterialInspector.cpp
+++ b/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/MaterialInspector/MaterialInspector.cpp
@@ -101,9 +101,9 @@ namespace MaterialEditor
     {
         if (IsInstanceNodePropertyModifed(node))
         {
-            return ":/PropertyEditor/Resources/changed_data_item.png";
+            return ":/Icons/changed_property.svg";
         }
-        return ":/PropertyEditor/Resources/blank.png";
+        return ":/Icons/blank.png";
     }
 
     void MaterialInspector::AddOverviewGroup()
diff --git a/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/ToolBar/MaterialEditorToolBar.cpp b/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/ToolBar/MaterialEditorToolBar.cpp
index 1e189168da..10442e0c27 100644
--- a/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/ToolBar/MaterialEditorToolBar.cpp
+++ b/Gems/Atom/Tools/MaterialEditor/Code/Source/Window/ToolBar/MaterialEditorToolBar.cpp
@@ -88,18 +88,18 @@ namespace MaterialEditor
         toneMappingButton->setVisible(true);
         addWidget(toneMappingButton);
 
-        // Add model combo box
-        auto modelPresetComboBox = new ModelPresetComboBox(this);
-        modelPresetComboBox->setSizeAdjustPolicy(QComboBox::SizeAdjustPolicy::AdjustToContents);
-        modelPresetComboBox->view()->setMinimumWidth(200);
-        addWidget(modelPresetComboBox);
-
         // Add lighting preset combo box
         auto lightingPresetComboBox = new LightingPresetComboBox(this);
         lightingPresetComboBox->setSizeAdjustPolicy(QComboBox::SizeAdjustPolicy::AdjustToContents);
         lightingPresetComboBox->view()->setMinimumWidth(200);
         addWidget(lightingPresetComboBox);
 
+        // Add model combo box
+        auto modelPresetComboBox = new ModelPresetComboBox(this);
+        modelPresetComboBox->setSizeAdjustPolicy(QComboBox::SizeAdjustPolicy::AdjustToContents);
+        modelPresetComboBox->view()->setMinimumWidth(200);
+        addWidget(modelPresetComboBox);
+
         MaterialViewportNotificationBus::Handler::BusConnect();
     }
 
diff --git a/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Grid/GridComponentController.cpp b/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Grid/GridComponentController.cpp
index 52a4cd4343..b4131894f4 100644
--- a/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Grid/GridComponentController.cpp
+++ b/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Grid/GridComponentController.cpp
@@ -175,6 +175,10 @@ namespace AZ
         void GridComponentController::OnBeginPrepareRender()
         {
             auto* auxGeomFP = AZ::RPI::Scene::GetFeatureProcessorForEntity<AZ::RPI::AuxGeomFeatureProcessorInterface>(m_entityId);
+            if (!auxGeomFP)
+            {
+                return;
+            }
             if (auto auxGeom = auxGeomFP->GetDrawQueue())
             {
                 BuildGrid();
diff --git a/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Material/EditorMaterialComponentInspector.cpp b/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Material/EditorMaterialComponentInspector.cpp
index 665adcd568..815f14aba7 100644
--- a/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Material/EditorMaterialComponentInspector.cpp
+++ b/Gems/AtomLyIntegration/CommonFeatures/Code/Source/Material/EditorMaterialComponentInspector.cpp
@@ -521,9 +521,9 @@ namespace AZ
             {
                 if (IsInstanceNodePropertyModifed(node))
                 {
-                    return ":/PropertyEditor/Resources/changed_data_item.png";
+                    return ":/Icons/changed_property.svg";
                 }
-                return ":/PropertyEditor/Resources/blank.png";
+                return ":/Icons/blank.png";
             }
 
             bool MaterialPropertyInspector::SaveMaterial() const
diff --git a/Gems/AtomLyIntegration/CommonFeatures/Code/Source/SkyBox/HDRiSkyboxComponentController.cpp b/Gems/AtomLyIntegration/CommonFeatures/Code/Source/SkyBox/HDRiSkyboxComponentController.cpp
index b71ba1e148..171c5e417f 100644
--- a/Gems/AtomLyIntegration/CommonFeatures/Code/Source/SkyBox/HDRiSkyboxComponentController.cpp
+++ b/Gems/AtomLyIntegration/CommonFeatures/Code/Source/SkyBox/HDRiSkyboxComponentController.cpp
@@ -65,7 +65,7 @@ namespace AZ
             m_featureProcessorInterface = RPI::Scene::GetFeatureProcessorForEntity<SkyBoxFeatureProcessorInterface>(entityId);
 
             // only activate if there is no other skybox activate
-            if (!m_featureProcessorInterface->IsEnabled())
+            if (m_featureProcessorInterface && !m_featureProcessorInterface->IsEnabled())
             {
                 m_featureProcessorInterface->SetSkyboxMode(SkyBoxMode::Cubemap);
                 m_featureProcessorInterface->Enable(true);
diff --git a/Gems/EMotionFX/Code/EMotionFX/Tools/EMotionStudio/EMStudioSDK/Source/Workspace.cpp b/Gems/EMotionFX/Code/EMotionFX/Tools/EMotionStudio/EMStudioSDK/Source/Workspace.cpp
index ea7c92b742..cada8c7f59 100644
--- a/Gems/EMotionFX/Code/EMotionFX/Tools/EMotionStudio/EMStudioSDK/Source/Workspace.cpp
+++ b/Gems/EMotionFX/Code/EMotionFX/Tools/EMotionStudio/EMStudioSDK/Source/Workspace.cpp
@@ -105,7 +105,9 @@ namespace EMStudio
             }
         }
 
-        commandString = AZStd::string::format("%s -filename \"%s\"", command, resultFileName.c_str());
+        AZStd::string resultFilenameString = resultFileName.c_str();
+        AzFramework::StringFunc::AssetDatabasePath::Normalize(resultFilenameString);
+        commandString = AZStd::string::format("%s -filename \"%s\"", command, resultFilenameString.c_str());
 
         if (additionalParameters)
         {
@@ -428,7 +430,13 @@ namespace EMStudio
                 continue;
             }
 
-            AzFramework::StringFunc::Replace(commands[i], "@products@/", assetCacheFolder.c_str(), true /* case sensitive */);
+            AzFramework::StringFunc::Replace(commands[i], "@products@", assetCacheFolder.c_str());
+            AzFramework::StringFunc::Replace(commands[i], "@assets@", assetCacheFolder.c_str());
+            AzFramework::StringFunc::Replace(commands[i], "@root@", assetCacheFolder.c_str());
+            AzFramework::StringFunc::Replace(commands[i], "@projectplatformcache@", assetCacheFolder.c_str());
+            AzFramework::StringFunc::Replace(commands[i], "//", AZ_CORRECT_FILESYSTEM_SEPARATOR_STRING);
+            AzFramework::StringFunc::Replace(commands[i], "\\\\", AZ_CORRECT_FILESYSTEM_SEPARATOR_STRING);
+            AzFramework::StringFunc::Replace(commands[i], "/\\", AZ_CORRECT_FILESYSTEM_SEPARATOR_STRING);
 
             // add the command to the command group
             commandGroup->AddCommandString(commands[i]);
diff --git a/Gems/LmbrCentral/Code/Source/Shape/BoxShape.cpp b/Gems/LmbrCentral/Code/Source/Shape/BoxShape.cpp
index a776a01ccc..4f6089ba16 100644
--- a/Gems/LmbrCentral/Code/Source/Shape/BoxShape.cpp
+++ b/Gems/LmbrCentral/Code/Source/Shape/BoxShape.cpp
@@ -166,7 +166,7 @@ namespace LmbrCentral
             return intersection;
         }
 
-        const bool intersection = AZ::Intersect::IntersectRayObb(src, dir, m_intersectionDataCache.m_obb, distance) > 0;
+        const bool intersection = AZ::Intersect::IntersectRayObb(src, dir, m_intersectionDataCache.m_obb, distance);
         return intersection;
     }
 
diff --git a/Gems/LmbrCentral/Code/Source/Shape/DiskShape.cpp b/Gems/LmbrCentral/Code/Source/Shape/DiskShape.cpp
index 8eaf03457f..1c4a94ced3 100644
--- a/Gems/LmbrCentral/Code/Source/Shape/DiskShape.cpp
+++ b/Gems/LmbrCentral/Code/Source/Shape/DiskShape.cpp
@@ -153,7 +153,7 @@ namespace LmbrCentral
         m_intersectionDataCache.UpdateIntersectionParams(m_currentTransform, m_diskShapeConfig);
 
         return AZ::Intersect::IntersectRayDisk(
-            src, dir, m_intersectionDataCache.m_position, m_intersectionDataCache.m_radius, m_intersectionDataCache.m_normal, distance) > 0;
+            src, dir, m_intersectionDataCache.m_position, m_intersectionDataCache.m_radius, m_intersectionDataCache.m_normal, distance);
     }
 
     void DiskShape::DiskIntersectionDataCache::UpdateIntersectionParamsImpl(
diff --git a/Gems/LyShine/Code/Source/Animation/UiAnimationSystem.cpp b/Gems/LyShine/Code/Source/Animation/UiAnimationSystem.cpp
index cab6ae3fa6..ab45042b4c 100644
--- a/Gems/LyShine/Code/Source/Animation/UiAnimationSystem.cpp
+++ b/Gems/LyShine/Code/Source/Animation/UiAnimationSystem.cpp
@@ -37,11 +37,11 @@ namespace
     using UiAnimSystemUnorderedMap = AZStd::unordered_map<KeyType, MappedType, Hasher, EqualKey, AZStd::stateless_allocator>;
 }
 // Serialization for anim nodes & param types
-#define REGISTER_NODE_TYPE(name) assert(g_animNodeEnumToStringMap.contains(eUiAnimNodeType_ ## name)); \
+#define REGISTER_NODE_TYPE(name) assert(!g_animNodeEnumToStringMap.contains(eUiAnimNodeType_ ## name)); \
     g_animNodeEnumToStringMap[eUiAnimNodeType_ ## name] = AZ_STRINGIZE(name);                                                            \
     g_animNodeStringToEnumMap[UiAnimParamSystemString(AZ_STRINGIZE(name))] = eUiAnimNodeType_ ## name;
 
-#define REGISTER_PARAM_TYPE(name) assert(g_animParamEnumToStringMap.contains(eUiAnimParamType_ ## name)); \
+#define REGISTER_PARAM_TYPE(name) assert(!g_animParamEnumToStringMap.contains(eUiAnimParamType_ ## name)); \
     g_animParamEnumToStringMap[eUiAnimParamType_ ## name] = AZ_STRINGIZE(name);                                                              \
     g_animParamStringToEnumMap[UiAnimParamSystemString(AZ_STRINGIZE(name))] = eUiAnimParamType_ ## name;
 
diff --git a/Gems/Maestro/Code/Source/Cinematics/Movie.cpp b/Gems/Maestro/Code/Source/Cinematics/Movie.cpp
index 9c4356560d..2a9a231177 100644
--- a/Gems/Maestro/Code/Source/Cinematics/Movie.cpp
+++ b/Gems/Maestro/Code/Source/Cinematics/Movie.cpp
@@ -87,11 +87,11 @@ namespace
 }
 
 // Serialization for anim nodes & param types
-#define REGISTER_NODE_TYPE(name) assert(g_animNodeEnumToStringMap.contains(AnimNodeType::name)); \
+#define REGISTER_NODE_TYPE(name) assert(!g_animNodeEnumToStringMap.contains(AnimNodeType::name)); \
     g_animNodeEnumToStringMap[AnimNodeType::name] = AZ_STRINGIZE(name);                          \
     g_animNodeStringToEnumMap[AnimParamSystemString(AZ_STRINGIZE(name))] = AnimNodeType::name;
 
-#define REGISTER_PARAM_TYPE(name) assert(g_animParamEnumToStringMap.contains(AnimParamType::name)); \
+#define REGISTER_PARAM_TYPE(name) assert(!g_animParamEnumToStringMap.contains(AnimParamType::name)); \
     g_animParamEnumToStringMap[AnimParamType::name] = AZ_STRINGIZE(name);                           \
     g_animParamStringToEnumMap[AnimParamSystemString(AZ_STRINGIZE(name))] = AnimParamType::name;
 
diff --git a/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.cpp b/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.cpp
index 35174e31fb..4fad5697c7 100644
--- a/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.cpp
+++ b/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.cpp
@@ -308,6 +308,12 @@ namespace Multiplayer
         return true;
     }
 
+    void MultiplayerSystemComponent::OnUpdateSessionBegin(const AzFramework::SessionConfig& sessionConfig, const AZStd::string& updateReason)
+    {
+        AZ_UNUSED(sessionConfig);
+        AZ_UNUSED(updateReason);
+    }
+
     void MultiplayerSystemComponent::OnTick(float deltaTime, [[maybe_unused]] AZ::ScriptTimePoint time)
     {
         const AZ::TimeMs deltaTimeMs = aznumeric_cast<AZ::TimeMs>(static_cast<int32_t>(deltaTime * 1000.0f));
diff --git a/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.h b/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.h
index e46bbb59bc..ef1fb0da5b 100644
--- a/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.h
+++ b/Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.h
@@ -70,6 +70,7 @@ namespace Multiplayer
         bool OnSessionHealthCheck() override;
         bool OnCreateSessionBegin(const AzFramework::SessionConfig& sessionConfig) override;
         bool OnDestroySessionBegin() override;
+        void OnUpdateSessionBegin(const AzFramework::SessionConfig& sessionConfig, const AZStd::string& updateReason) override;
         //! @}
 
         //! AZ::TickBus::Handler overrides.
diff --git a/Gems/Prefab/PrefabBuilder/PrefabGroup/PrefabGroupBehavior.cpp b/Gems/Prefab/PrefabBuilder/PrefabGroup/PrefabGroupBehavior.cpp
index 13828e5f8c..44a95c1b6b 100644
--- a/Gems/Prefab/PrefabBuilder/PrefabGroup/PrefabGroupBehavior.cpp
+++ b/Gems/Prefab/PrefabBuilder/PrefabGroup/PrefabGroupBehavior.cpp
@@ -124,24 +124,10 @@ namespace AZ::SceneAPI::Behaviors
             return {};
         }
 
-        // create instance to update the asset hints
-        auto instance = prefabSystemComponentInterface->InstantiatePrefab(templateId);
-        if (!instance)
-        {
-            AZ_Error("prefab", false, "PrefabGroup(%s) Could not instantiate prefab", prefabGroup->GetName().c_str());
-            return {};
-        }
-
-        auto* instanceToTemplateInterface = AZ::Interface<InstanceToTemplateInterface>::Get();
-        if (!instanceToTemplateInterface)
-        {
-            AZ_Error("prefab", false, "Could not get InstanceToTemplateInterface");
-            return {};
-        }
-
-        // fill out a JSON DOM
+        const rapidjson::Document& generatedInstanceDom = prefabSystemComponentInterface->FindTemplateDom(templateId);
         auto proceduralPrefab = AZStd::make_unique<rapidjson::Document>(rapidjson::kObjectType);
-        instanceToTemplateInterface->GenerateDomForInstance(*proceduralPrefab.get(), *instance.get());
+        proceduralPrefab->CopyFrom(generatedInstanceDom, proceduralPrefab->GetAllocator(), true);
+
         return proceduralPrefab;
     }
 
diff --git a/Gems/Terrain/Assets/Materials/Terrain/DefaultPbrTerrain.material b/Gems/Terrain/Assets/Materials/Terrain/DefaultPbrTerrain.material
index c0de5969b2..d2acc2516a 100644
--- a/Gems/Terrain/Assets/Materials/Terrain/DefaultPbrTerrain.material
+++ b/Gems/Terrain/Assets/Materials/Terrain/DefaultPbrTerrain.material
@@ -4,12 +4,6 @@
     "parentMaterial": "",
     "propertyLayoutVersion": 1,
     "properties": {
-        "macroColor": {
-            "useTexture": false
-        },
-        "macroNormal": {
-            "useTexture": false
-        },
         "baseColor": {
             "color": [ 0.18, 0.18, 0.18 ],
             "useTexture": false
diff --git a/Gems/Terrain/Assets/Materials/Terrain/PbrTerrain.materialtype b/Gems/Terrain/Assets/Materials/Terrain/PbrTerrain.materialtype
index 191fa7a731..ec04412fe6 100644
--- a/Gems/Terrain/Assets/Materials/Terrain/PbrTerrain.materialtype
+++ b/Gems/Terrain/Assets/Materials/Terrain/PbrTerrain.materialtype
@@ -133,67 +133,6 @@
                     }
                 }
             ],
-            "macroColor": [
-                {
-                    "id": "textureMap",
-                    "displayName": "Texture",
-                    "description": "Macro color texture map",
-                    "type": "Image",
-                    "connection": {
-                        "type": "ShaderInput",
-                        "id": "m_macroColorMap"
-                    }
-                },
-                {
-                    "id": "useTexture",
-                    "displayName": "Use Texture",
-                    "description": "Whether to use the texture.",
-                    "type": "Bool",
-                    "defaultValue": true
-                }
-
-            ],
-            "macroNormal": [
-                {
-                    "id": "textureMap",
-                    "displayName": "Texture",
-                    "description": "Macro normal texture map",
-                    "type": "Image",
-                    "connection": {
-                        "type": "ShaderInput",
-                        "id": "m_macroNormalMap"
-                    }
-                },
-                {
-                    "id": "useTexture",
-                    "displayName": "Use Texture",
-                    "description": "Whether to use the texture.",
-                    "type": "Bool",
-                    "defaultValue": true
-                },
-                {
-                    "id": "flipX",
-                    "displayName": "Flip X Channel",
-                    "description": "Flip tangent direction for this normal map.",
-                    "type": "Bool",
-                    "defaultValue": false,
-                    "connection": {
-                        "type": "ShaderInput",
-                        "id": "m_flipMacroNormalX"
-                    }
-                },
-                {
-                    "id": "flipY",
-                    "displayName": "Flip Y Channel",
-                    "description": "Flip bitangent direction for this normal map.",
-                    "type": "Bool",
-                    "defaultValue": false,
-                    "connection": {
-                        "type": "ShaderInput",
-                        "id": "m_flipMacroNormalY"
-                    }
-                }
-            ],
             "baseColor": [
                 {
                     "id": "color",
@@ -380,22 +319,6 @@
         }
     ],
     "functors": [
-        {
-            "type": "UseTexture",
-            "args": {
-                "textureProperty": "macroColor.textureMap",
-                "useTextureProperty": "macroColor.useTexture",
-                "shaderOption": "o_macroColor_useTexture"
-            }
-        },
-        {
-            "type": "UseTexture",
-            "args": {
-                "textureProperty": "macroNormal.textureMap",
-                "useTextureProperty": "macroNormal.useTexture",
-                "shaderOption": "o_macroNormal_useTexture"
-            }
-        },
         {
             "type": "UseTexture",
             "args": {
diff --git a/Gems/Terrain/Assets/Materials/Terrain/TerrainMacroMaterial.materialtype b/Gems/Terrain/Assets/Materials/Terrain/TerrainMacroMaterial.materialtype
index 0a4f6d0229..3cdab8da10 100644
--- a/Gems/Terrain/Assets/Materials/Terrain/TerrainMacroMaterial.materialtype
+++ b/Gems/Terrain/Assets/Materials/Terrain/TerrainMacroMaterial.materialtype
@@ -4,42 +4,59 @@
         "version": 1,
         "groups": [
             {
-                "id": "settings",
-                "displayName": "Settings"
+                "name": "baseColor",
+                "displayName": "Base Color",
+                "description": "Properties for configuring the surface reflected color for dielectrics or reflectance values for metals."
+            },
+            {
+                "name": "normal",
+                "displayName": "Normal",
+                "description": "Properties related to configuring surface normal."
             }
         ],
         "properties": {
-            "macroColor": [
+            "baseColor": [
                 {
-                    "id": "useTexture",
-                    "displayName": "Use Texture",
-                    "description": "Whether to use the texture.",
-                    "type": "Bool",
-                    "defaultValue": true
+                    "name": "textureMap",
+                    "displayName": "Texture",
+                    "description": "Base color of the macro material",
+                    "type": "Image"
                 }
-
             ],
-            "macroNormal": [
+            "normal": [
                 {
-                    "id": "useTexture",
-                    "displayName": "Use Texture",
-                    "description": "Whether to use the texture.",
+                    "name": "textureMap",
+                    "displayName": "Texture",
+                    "description": "Texture for defining surface normal direction. These will override normals generated from the geometry.",
+                    "type": "Image"
+                },
+                {
+                    "name": "flipX",
+                    "displayName": "Flip X Channel",
+                    "description": "Flip tangent direction for this normal map.",
                     "type": "Bool",
-                    "defaultValue": true
+                    "defaultValue": false
+                },
+                {
+                    "name": "flipY",
+                    "displayName": "Flip Y Channel",
+                    "description": "Flip bitangent direction for this normal map.",
+                    "type": "Bool",
+                    "defaultValue": false
+                },
+                {
+                    "name": "factor",
+                    "displayName": "Factor",
+                    "description": "Strength factor for scaling the values",
+                    "type": "Float",
+                    "defaultValue": 1.0,
+                    "min": 0.0,
+                    "softMax": 2.0
                 }
             ]
         }
     },
     "shaders": [
-        {
-            "file": "../../Shaders/Terrain/TerrainPBR_ForwardPass.shader"
-        },
-        {
-            "file": "../../Shaders/Terrain/Terrain_Shadowmap.shader"
-        },
-        {
-            "file": "../../Shaders/Terrain/Terrain_DepthPass.shader"
-        }
     ],
     "functors": [
     ]
diff --git a/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli b/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli
index 95d1a73bbd..72c1af953c 100644
--- a/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli
+++ b/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli
@@ -26,8 +26,24 @@ ShaderResourceGroup ObjectSrg : SRG_PerObject
         float m_heightScale;
     };
 
+    struct MacroMaterialData
+    {
+        float2 m_uvMin;
+        float2 m_uvMax;
+        float m_normalFactor;
+        bool m_flipNormalX;
+        bool m_flipNormalY;
+        uint m_mapsInUse;
+    };
+
     TerrainData m_terrainData;
 
+    MacroMaterialData m_macroMaterialData[4];
+    uint m_macroMaterialCount;
+
+    Texture2D m_macroColorMap[4];
+    Texture2D m_macroNormalMap[4];
+    
     // The below shouldn't be in this SRG but needs to be for now because the lighting functions depend on them.
 
     //! Reflection Probe (smallest probe volume that overlaps the object position)
@@ -101,14 +117,6 @@ ShaderResourceGroup TerrainMaterialSrg : SRG_PerMaterial
         MaxAnisotropy = 16;
     };
 
-    // Macro Color
-    Texture2D m_macroColorMap;
-
-    // Macro normal
-    Texture2D m_macroNormalMap;
-    bool m_flipMacroNormalX;
-    bool m_flipMacroNormalY;
-
     // Base Color
     float3 m_baseColor;
     float m_baseColorFactor;
@@ -130,8 +138,6 @@ ShaderResourceGroup TerrainMaterialSrg : SRG_PerMaterial
 }
 
 option bool o_useTerrainSmoothing = false;
-option bool o_macroColor_useTexture = true;
-option bool o_macroNormal_useTexture = true;
 option bool o_baseColor_useTexture = true;
 option bool o_specularF0_useTexture = true;
 option bool o_normal_useTexture = true;
diff --git a/Gems/Terrain/Assets/Shaders/Terrain/TerrainPBR_ForwardPass.azsl b/Gems/Terrain/Assets/Shaders/Terrain/TerrainPBR_ForwardPass.azsl
index fedd19a498..91e367500b 100644
--- a/Gems/Terrain/Assets/Shaders/Terrain/TerrainPBR_ForwardPass.azsl
+++ b/Gems/Terrain/Assets/Shaders/Terrain/TerrainPBR_ForwardPass.azsl
@@ -68,7 +68,6 @@ VSOutput TerrainPBR_MainPassVS(VertexInput IN)
 ForwardPassOutput TerrainPBR_MainPassPS(VSOutput IN)
 {
     // ------- Surface -------
-
     Surface surface;
     
     // Position
@@ -83,12 +82,32 @@ ForwardPassOutput TerrainPBR_MainPassPS(VSOutput IN)
     
     // ------- Normal -------
     float3 macroNormal = IN.m_normal;
-    if (o_macroNormal_useTexture)
-    {
-        macroNormal = GetNormalInputTS(TerrainMaterialSrg::m_macroNormalMap, TerrainMaterialSrg::m_sampler, 
-            origUv, TerrainMaterialSrg::m_flipMacroNormalX, TerrainMaterialSrg::m_flipMacroNormalY, CreateIdentity3x3(), true, 1.0);
-    }
     
+    // ------- Macro Color / Normal -------
+    float3 macroColor = TerrainMaterialSrg::m_baseColor.rgb;
+    [unroll] for (uint i = 0; i < 4; ++i)
+    {
+        float2 macroUvMin = ObjectSrg::m_macroMaterialData[i].m_uvMin;
+        float2 macroUvMax = ObjectSrg::m_macroMaterialData[i].m_uvMax;
+        float2 macroUv = lerp(macroUvMin, macroUvMax, IN.m_uv);
+        if (macroUv.x >= 0.0 && macroUv.x <= 1.0 && macroUv.y >= 0.0 && macroUv.y <= 1.0)
+        {
+            if ((ObjectSrg::m_macroMaterialData[i].m_mapsInUse & 1) > 0)
+            {
+                macroColor = GetBaseColorInput(ObjectSrg::m_macroColorMap[i], TerrainMaterialSrg::m_sampler, macroUv, macroColor, true);
+            }
+            if ((ObjectSrg::m_macroMaterialData[i].m_mapsInUse & 2) > 0)
+            {
+                bool flipX = ObjectSrg::m_macroMaterialData[i].m_flipNormalX;
+                bool flipY = ObjectSrg::m_macroMaterialData[i].m_flipNormalY;
+                bool factor = ObjectSrg::m_macroMaterialData[i].m_normalFactor;
+                macroNormal = GetNormalInputTS(ObjectSrg::m_macroNormalMap[i], TerrainMaterialSrg::m_sampler, 
+                    macroUv, flipX, flipY, CreateIdentity3x3(), true, factor);
+            }
+            break;
+        }
+    }
+
     float3 detailNormal = GetNormalInputTS(TerrainMaterialSrg::m_normalMap, TerrainMaterialSrg::m_sampler, 
         detailUv, TerrainMaterialSrg::m_flipNormalX, TerrainMaterialSrg::m_flipNormalY, CreateIdentity3x3(), o_normal_useTexture, TerrainMaterialSrg::m_normalFactor);
 
@@ -97,9 +116,6 @@ ForwardPassOutput TerrainPBR_MainPassPS(VSOutput IN)
     surface.normal = normalize(surface.normal);
     surface.vertexNormal = normalize(IN.m_normal);
 
-    // ------- Macro Color -------
-    float3 macroColor = GetBaseColorInput(TerrainMaterialSrg::m_macroColorMap, TerrainMaterialSrg::m_sampler, origUv, TerrainMaterialSrg::m_baseColor.rgb, o_baseColor_useTexture);
-
     // ------- Base Color -------
     float3 detailColor = GetBaseColorInput(TerrainMaterialSrg::m_baseColorMap, TerrainMaterialSrg::m_sampler, detailUv, TerrainMaterialSrg::m_baseColor.rgb, o_baseColor_useTexture);
     float3 blendedColor = BlendBaseColor(lerp(detailColor, TerrainMaterialSrg::m_baseColor.rgb, detailFactor), macroColor, TerrainMaterialSrg::m_baseColorFactor, o_baseColorTextureBlendMode, o_baseColor_useTexture);
diff --git a/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.cpp b/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.cpp
index 560fe1eb60..8c85e21490 100644
--- a/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.cpp
+++ b/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.cpp
@@ -49,13 +49,25 @@ namespace Terrain
 
     namespace MaterialInputs
     {
+        // Terrain material
         static const char* const HeightmapImage("settings.heightmapImage");
+
+        // Macro material
+        static const char* const MacroColorTextureMap("baseColor.textureMap");
+        static const char* const MacroNormalTextureMap("normal.textureMap");
+        static const char* const MacroNormalFlipX("normal.flipX");
+        static const char* const MacroNormalFlipY("normal.flipY");
+        static const char* const MacroNormalFactor("normal.factor");
     }
 
     namespace ShaderInputs
     {
         static const char* const ModelToWorld("m_modelToWorld");
         static const char* const TerrainData("m_terrainData");
+        static const char* const MacroMaterialData("m_macroMaterialData");
+        static const char* const MacroMaterialCount("m_macroMaterialCount");
+        static const char* const MacroColorMap("m_macroColorMap");
+        static const char* const MacroNormalMap("m_macroNormalMap");
     }
 
 
@@ -71,8 +83,6 @@ namespace Terrain
 
     void TerrainFeatureProcessor::Activate()
     {
-        m_areaData = {};
-        m_dirtyRegion = AZ::Aabb::CreateNull();
         Initialize();
         AzFramework::Terrain::TerrainDataNotificationBus::Handler::BusConnect();
     }
@@ -94,6 +104,10 @@ namespace Terrain
                     {
                         AZ_Error("TerrainFeatureProcessor", false, "No per-object ShaderResourceGroup found on terrain material.");
                     }
+                    else
+                    {
+                        PrepareMaterialData();
+                    }
                 }
             }
         );
@@ -107,11 +121,17 @@ namespace Terrain
 
     void TerrainFeatureProcessor::Deactivate()
     {
+        TerrainMacroMaterialNotificationBus::Handler::BusDisconnect();
         AzFramework::Terrain::TerrainDataNotificationBus::Handler::BusDisconnect();
         AZ::RPI::MaterialReloadNotificationBus::Handler::BusDisconnect();
 
         m_patchModel = {};
         m_areaData = {};
+        m_dirtyRegion = AZ::Aabb::CreateNull();
+        m_sectorData.clear();
+        m_macroMaterials.Clear();
+        m_materialAssetLoader = {};
+        m_materialInstance = {};
     }
 
     void TerrainFeatureProcessor::Render(const AZ::RPI::FeatureProcessor::RenderPacket& packet)
@@ -126,7 +146,7 @@ namespace Terrain
     
     void TerrainFeatureProcessor::OnTerrainDataChanged(const AZ::Aabb& dirtyRegion, TerrainDataChangedMask dataChangedMask)
     {
-        if (dataChangedMask != TerrainDataChangedMask::HeightData && dataChangedMask != TerrainDataChangedMask::Settings)
+        if ((dataChangedMask & (TerrainDataChangedMask::HeightData | TerrainDataChangedMask::Settings)) == 0)
         {
             return;
         }
@@ -140,14 +160,21 @@ namespace Terrain
         m_dirtyRegion.AddAabb(regionToUpdate);
         m_dirtyRegion.Clamp(worldBounds);
 
-        AZ::Transform transform = AZ::Transform::CreateTranslation(worldBounds.GetCenter());
+        const AZ::Transform transform = AZ::Transform::CreateTranslation(worldBounds.GetCenter());
         
         AZ::Vector2 queryResolution = AZ::Vector2(1.0f);
         AzFramework::Terrain::TerrainDataRequestBus::BroadcastResult(
             queryResolution, &AzFramework::Terrain::TerrainDataRequests::GetTerrainHeightQueryResolution);
 
+        // Sectors need to be rebuilt if the world bounds change in the x/y, or the sample spacing changes.
+        m_areaData.m_rebuildSectors = m_areaData.m_rebuildSectors ||
+            m_areaData.m_terrainBounds.GetMin().GetX() != worldBounds.GetMin().GetX() ||
+            m_areaData.m_terrainBounds.GetMin().GetY() != worldBounds.GetMin().GetY() ||
+            m_areaData.m_terrainBounds.GetMax().GetX() != worldBounds.GetMax().GetX() ||
+            m_areaData.m_terrainBounds.GetMax().GetY() != worldBounds.GetMax().GetY() ||
+            m_areaData.m_sampleSpacing != queryResolution.GetX();
+
         m_areaData.m_transform = transform;
-        m_areaData.m_heightScale = worldBounds.GetZExtent();
         m_areaData.m_terrainBounds = worldBounds;
         m_areaData.m_heightmapImageWidth = aznumeric_cast<uint32_t>(worldBounds.GetXExtent() / queryResolution.GetX());
         m_areaData.m_heightmapImageHeight = aznumeric_cast<uint32_t>(worldBounds.GetYExtent() / queryResolution.GetY());
@@ -155,7 +182,93 @@ namespace Terrain
         m_areaData.m_updateHeight = aznumeric_cast<uint32_t>(m_dirtyRegion.GetYExtent() / queryResolution.GetY());
         // Currently query resolution is multidimensional but the rendering system only supports this changing in one dimension.
         m_areaData.m_sampleSpacing = queryResolution.GetX();
-        m_areaData.m_propertiesDirty = true;
+        m_areaData.m_heightmapUpdated = true;
+    }
+    
+    void TerrainFeatureProcessor::OnTerrainMacroMaterialCreated(AZ::EntityId entityId, MaterialInstance material, const AZ::Aabb& region)
+    {
+        MacroMaterialData& materialData = FindOrCreateMacroMaterial(entityId);
+        materialData.m_bounds = region;
+
+        UpdateMacroMaterialData(materialData, material);
+
+        // Update all sectors in region.
+        ForOverlappingSectors(materialData.m_bounds,
+            [&](SectorData& sectorData) {
+                if (sectorData.m_macroMaterials.size() < sectorData.m_macroMaterials.max_size())
+                {
+                    sectorData.m_macroMaterials.push_back(m_macroMaterials.GetIndexForData(&materialData));
+                }
+            }
+        );
+    }
+
+    void TerrainFeatureProcessor::OnTerrainMacroMaterialChanged(AZ::EntityId entityId, MaterialInstance macroMaterial)
+    {
+        if (macroMaterial)
+        {
+            MacroMaterialData& data = FindOrCreateMacroMaterial(entityId);
+            UpdateMacroMaterialData(data, macroMaterial);
+        }
+        else
+        {
+            RemoveMacroMaterial(entityId);
+        }
+    }
+    
+    void TerrainFeatureProcessor::OnTerrainMacroMaterialRegionChanged(AZ::EntityId entityId, [[maybe_unused]] const AZ::Aabb& oldRegion, const AZ::Aabb& newRegion)
+    {
+        MacroMaterialData& materialData = FindOrCreateMacroMaterial(entityId);
+        for (SectorData& sectorData : m_sectorData)
+        {
+            bool overlapsOld = sectorData.m_aabb.Overlaps(materialData.m_bounds);
+            bool overlapsNew = sectorData.m_aabb.Overlaps(newRegion);
+            if (overlapsOld && !overlapsNew)
+            {
+                // Remove the macro material from this sector
+                for (uint16_t& idx : sectorData.m_macroMaterials)
+                {
+                    if (m_macroMaterials.GetData(idx).m_entityId == entityId)
+                    {
+                        idx = sectorData.m_macroMaterials.back();
+                        sectorData.m_macroMaterials.pop_back();
+                    }
+                }
+            }
+            else if (overlapsNew && !overlapsOld)
+            {
+                // Add the macro material to this sector
+                if (sectorData.m_macroMaterials.size() < MaxMaterialsPerSector)
+                {
+                    sectorData.m_macroMaterials.push_back(m_macroMaterials.GetIndexForData(&materialData));
+                }
+            }
+        }
+        m_areaData.m_macroMaterialsUpdated = true;
+        materialData.m_bounds = newRegion;
+    }
+
+    void TerrainFeatureProcessor::OnTerrainMacroMaterialDestroyed(AZ::EntityId entityId)
+    {
+        MacroMaterialData* materialData = FindMacroMaterial(entityId);
+
+        if (materialData)
+        {
+            uint16_t destroyedMaterialIndex = m_macroMaterials.GetIndexForData(materialData);
+            ForOverlappingSectors(materialData->m_bounds,
+                [&](SectorData& sectorData) {
+                for (uint16_t& idx : sectorData.m_macroMaterials)
+                {
+                    if (idx == destroyedMaterialIndex)
+                    {
+                        idx = sectorData.m_macroMaterials.back();
+                        sectorData.m_macroMaterials.pop_back();
+                    }
+                }
+            });
+        }
+        
+        m_areaData.m_macroMaterialsUpdated = true;
     }
 
     void TerrainFeatureProcessor::UpdateTerrainData()
@@ -165,9 +278,9 @@ namespace Terrain
         uint32_t width = m_areaData.m_updateWidth;
         uint32_t height = m_areaData.m_updateHeight;
         const AZ::Aabb& worldBounds = m_areaData.m_terrainBounds;
-        float queryResolution = m_areaData.m_sampleSpacing;
+        const float queryResolution = m_areaData.m_sampleSpacing;
 
-        AZ::RHI::Size worldSize = AZ::RHI::Size(m_areaData.m_heightmapImageWidth, m_areaData.m_heightmapImageHeight, 1);
+        const AZ::RHI::Size worldSize = AZ::RHI::Size(m_areaData.m_heightmapImageWidth, m_areaData.m_heightmapImageHeight, 1);
 
         if (!m_areaData.m_heightmapImage || m_areaData.m_heightmapImage->GetDescriptor().m_size != worldSize)
         {
@@ -176,7 +289,7 @@ namespace Terrain
             height = worldSize.m_height;
             m_dirtyRegion = worldBounds;
 
-            AZ::Data::Instance<AZ::RPI::AttachmentImagePool> imagePool = AZ::RPI::ImageSystemInterface::Get()->GetSystemAttachmentPool();
+            const AZ::Data::Instance<AZ::RPI::AttachmentImagePool> imagePool = AZ::RPI::ImageSystemInterface::Get()->GetSystemAttachmentPool();
             AZ::RHI::ImageDescriptor imageDescriptor = AZ::RHI::ImageDescriptor::Create2D(
                 AZ::RHI::ImageBindFlags::ShaderRead, width, height, AZ::RHI::Format::R16_UNORM
             );
@@ -210,9 +323,9 @@ namespace Terrain
                         AzFramework::Terrain::TerrainDataRequests::Sampler::EXACT,
                         &terrainExists);
 
-                    float clampedHeight = AZ::GetClamp((terrainHeight - worldBounds.GetMin().GetZ()) / worldBounds.GetExtents().GetZ(), 0.0f, 1.0f);
-                    float expandedHeight = AZStd::roundf(clampedHeight * AZStd::numeric_limits<uint16_t>::max());
-                    uint16_t uint16Height = aznumeric_cast<uint16_t>(expandedHeight);
+                    const float clampedHeight = AZ::GetClamp((terrainHeight - worldBounds.GetMin().GetZ()) / worldBounds.GetExtents().GetZ(), 0.0f, 1.0f);
+                    const float expandedHeight = AZStd::roundf(clampedHeight * AZStd::numeric_limits<uint16_t>::max());
+                    const uint16_t uint16Height = aznumeric_cast<uint16_t>(expandedHeight);
 
                     pixels.push_back(uint16Height);
                 }
@@ -241,118 +354,250 @@ namespace Terrain
         m_dirtyRegion = AZ::Aabb::CreateNull();
     }
 
+    void TerrainFeatureProcessor::PrepareMaterialData()
+    {   
+        const auto layout = m_materialInstance->GetAsset()->GetObjectSrgLayout();
+
+        m_modelToWorldIndex = layout->FindShaderInputConstantIndex(AZ::Name(ShaderInputs::ModelToWorld));
+        AZ_Error(TerrainFPName, m_modelToWorldIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::ModelToWorld);
+
+        m_terrainDataIndex = layout->FindShaderInputConstantIndex(AZ::Name(ShaderInputs::TerrainData));
+        AZ_Error(TerrainFPName, m_terrainDataIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::TerrainData);
+
+        m_macroMaterialDataIndex = layout->FindShaderInputConstantIndex(AZ::Name(ShaderInputs::MacroMaterialData));
+        AZ_Error(TerrainFPName, m_macroMaterialDataIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::MacroMaterialData);
+        
+        m_macroMaterialCountIndex = layout->FindShaderInputConstantIndex(AZ::Name(ShaderInputs::MacroMaterialCount));
+        AZ_Error(TerrainFPName, m_macroMaterialCountIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::MacroMaterialCount);
+
+        m_macroColorMapIndex = layout->FindShaderInputImageIndex(AZ::Name(ShaderInputs::MacroColorMap));
+        AZ_Error(TerrainFPName, m_macroColorMapIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::MacroColorMap);
+
+        m_macroNormalMapIndex = layout->FindShaderInputImageIndex(AZ::Name(ShaderInputs::MacroNormalMap));
+        AZ_Error(TerrainFPName, m_macroNormalMapIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::MacroNormalMap);
+        
+        m_heightmapPropertyIndex = m_materialInstance->GetMaterialPropertiesLayout()->FindPropertyIndex(AZ::Name(MaterialInputs::HeightmapImage));
+        AZ_Error(TerrainFPName, m_heightmapPropertyIndex.IsValid(), "Failed to find material input constant %s.", MaterialInputs::HeightmapImage);
+        
+        TerrainMacroMaterialRequestBus::EnumerateHandlers(
+            [&](TerrainMacroMaterialRequests* handler)
+            {
+                MaterialInstance macroMaterial;
+                AZ::Aabb bounds;
+                handler->GetTerrainMacroMaterialData(macroMaterial, bounds);
+                AZ::EntityId entityId = *(Terrain::TerrainMacroMaterialRequestBus::GetCurrentBusId());
+                OnTerrainMacroMaterialCreated(entityId, macroMaterial, bounds);
+                return true;
+            }
+        );
+        TerrainMacroMaterialNotificationBus::Handler::BusConnect();
+    }
+
+    void TerrainFeatureProcessor::UpdateMacroMaterialData(MacroMaterialData& macroMaterialData, MaterialInstance material)
+    {
+        // Since we're using an actual macro material instance for now, get the values from it that we care about.
+        const auto materialLayout = material->GetMaterialPropertiesLayout();
+
+        const AZ::RPI::MaterialPropertyIndex macroColorTextureMapIndex = materialLayout->FindPropertyIndex(AZ::Name(MaterialInputs::MacroColorTextureMap));
+        AZ_Error(TerrainFPName, macroColorTextureMapIndex.IsValid(), "Failed to find shader input constant %s.", MaterialInputs::MacroColorTextureMap);
+            
+        const AZ::RPI::MaterialPropertyIndex macroNormalTextureMapIndex = materialLayout->FindPropertyIndex(AZ::Name(MaterialInputs::MacroNormalTextureMap));
+        AZ_Error(TerrainFPName, macroNormalTextureMapIndex.IsValid(), "Failed to find shader input constant %s.", MaterialInputs::MacroNormalTextureMap);
+
+        const AZ::RPI::MaterialPropertyIndex macroNormalFlipXIndex = materialLayout->FindPropertyIndex(AZ::Name(MaterialInputs::MacroNormalFlipX));
+        AZ_Error(TerrainFPName, macroNormalFlipXIndex.IsValid(), "Failed to find shader input constant %s.", MaterialInputs::MacroNormalFlipX);
+
+        const AZ::RPI::MaterialPropertyIndex macroNormalFlipYIndex = materialLayout->FindPropertyIndex(AZ::Name(MaterialInputs::MacroNormalFlipY));
+        AZ_Error(TerrainFPName, macroNormalFlipYIndex.IsValid(), "Failed to find shader input constant %s.", MaterialInputs::MacroNormalFlipY);
+
+        const AZ::RPI::MaterialPropertyIndex macroNormalFactorIndex = materialLayout->FindPropertyIndex(AZ::Name(MaterialInputs::MacroNormalFactor));
+        AZ_Error(TerrainFPName, macroNormalFactorIndex.IsValid(), "Failed to find shader input constant %s.", MaterialInputs::MacroNormalFactor);
+
+        macroMaterialData.m_colorImage = material->GetPropertyValue(macroColorTextureMapIndex).GetValue<AZ::Data::Instance<AZ::RPI::Image>>();
+        macroMaterialData.m_normalImage = material->GetPropertyValue(macroNormalTextureMapIndex).GetValue<AZ::Data::Instance<AZ::RPI::Image>>();
+        macroMaterialData.m_normalFlipX = material->GetPropertyValue(macroNormalFlipXIndex).GetValue<bool>();
+        macroMaterialData.m_normalFlipY = material->GetPropertyValue(macroNormalFlipYIndex).GetValue<bool>();
+        macroMaterialData.m_normalFactor = material->GetPropertyValue(macroNormalFactorIndex).GetValue<float>();
+
+        if (macroMaterialData.m_bounds.IsValid())
+        {
+            m_areaData.m_macroMaterialsUpdated = true;
+        }
+    }
+
     void TerrainFeatureProcessor::ProcessSurfaces(const FeatureProcessor::RenderPacket& process)
     {
         AZ_PROFILE_FUNCTION(AzRender);
+        
+        const AZ::Aabb& terrainBounds = m_areaData.m_terrainBounds;
 
-        if (!m_areaData.m_terrainBounds.IsValid())
+        if (!terrainBounds.IsValid())
         {
             return;
         }
-        
-        if (m_areaData.m_propertiesDirty && m_materialInstance && m_materialInstance->CanCompile())
+
+        if (m_materialInstance && m_materialInstance->CanCompile())
         {
-            UpdateTerrainData();
-
-            m_areaData.m_propertiesDirty = false;
-            m_sectorData.clear();
-
-            AZ::RPI::MaterialPropertyIndex heightmapPropertyIndex =
-                m_materialInstance->GetMaterialPropertiesLayout()->FindPropertyIndex(AZ::Name(MaterialInputs::HeightmapImage));
-            AZ_Error(TerrainFPName, heightmapPropertyIndex.IsValid(), "Failed to find material input constant %s.", MaterialInputs::HeightmapImage);
-            AZ::Data::Instance<AZ::RPI::Image> heightmapImage = m_areaData.m_heightmapImage;
-            m_materialInstance->SetPropertyValue(heightmapPropertyIndex, heightmapImage);
-            m_materialInstance->Compile();
-
-            const auto layout = m_materialInstance->GetAsset()->GetObjectSrgLayout();
-
-            m_modelToWorldIndex = layout->FindShaderInputConstantIndex(AZ::Name(ShaderInputs::ModelToWorld));
-            AZ_Error(TerrainFPName, m_modelToWorldIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::ModelToWorld);
-
-            m_terrainDataIndex = layout->FindShaderInputConstantIndex(AZ::Name(ShaderInputs::TerrainData));
-            AZ_Error(TerrainFPName, m_terrainDataIndex.IsValid(), "Failed to find shader input constant %s.", ShaderInputs::TerrainData);
-
-            float xFirstPatchStart =
-                m_areaData.m_terrainBounds.GetMin().GetX() - fmod(m_areaData.m_terrainBounds.GetMin().GetX(), GridMeters);
-            float xLastPatchStart = m_areaData.m_terrainBounds.GetMax().GetX() - fmod(m_areaData.m_terrainBounds.GetMax().GetX(), GridMeters);
-            float yFirstPatchStart =
-                m_areaData.m_terrainBounds.GetMin().GetY() - fmod(m_areaData.m_terrainBounds.GetMin().GetY(), GridMeters);
-            float yLastPatchStart = m_areaData.m_terrainBounds.GetMax().GetY() - fmod(m_areaData.m_terrainBounds.GetMax().GetY(), GridMeters);
-
-            for (float yPatch = yFirstPatchStart; yPatch <= yLastPatchStart; yPatch += GridMeters)
+            if (m_areaData.m_rebuildSectors)
             {
-                for (float xPatch = xFirstPatchStart; xPatch <= xLastPatchStart; xPatch += GridMeters)
+                // Something about the whole world changed, so the sectors need to be rebuilt
+
+                m_areaData.m_rebuildSectors = false;
+
+                m_sectorData.clear();
+                const float xFirstPatchStart = terrainBounds.GetMin().GetX() - fmod(terrainBounds.GetMin().GetX(), GridMeters);
+                const float xLastPatchStart = terrainBounds.GetMax().GetX() - fmod(terrainBounds.GetMax().GetX(), GridMeters);
+                const float yFirstPatchStart = terrainBounds.GetMin().GetY() - fmod(terrainBounds.GetMin().GetY(), GridMeters);
+                const float yLastPatchStart = terrainBounds.GetMax().GetY() - fmod(terrainBounds.GetMax().GetY(), GridMeters);
+            
+                const auto& materialAsset = m_materialInstance->GetAsset();
+                const auto& shaderAsset = materialAsset->GetMaterialTypeAsset()->GetShaderAssetForObjectSrg();
+
+                for (float yPatch = yFirstPatchStart; yPatch <= yLastPatchStart; yPatch += GridMeters)
                 {
-                    const auto& materialAsset = m_materialInstance->GetAsset();
-                    auto& shaderAsset = materialAsset->GetMaterialTypeAsset()->GetShaderAssetForObjectSrg();
-                    auto objectSrg = AZ::RPI::ShaderResourceGroup::Create(shaderAsset, materialAsset->GetObjectSrgLayout()->GetName());
-                    if (!objectSrg)
+                    for (float xPatch = xFirstPatchStart; xPatch <= xLastPatchStart; xPatch += GridMeters)
                     {
-                        AZ_Warning("TerrainFeatureProcessor", false, "Failed to create a new shader resource group, skipping.");
-                        continue;
-                    }
-
-                    { // Update SRG
-                        
-                        AZStd::array<float, 2> uvMin = { 0.0f, 0.0f };
-                        AZStd::array<float, 2> uvMax = { 1.0f, 1.0f };
-
-                        uvMin[0] = (float)((xPatch - m_areaData.m_terrainBounds.GetMin().GetX()) / m_areaData.m_terrainBounds.GetXExtent());
-                        uvMin[1] = (float)((yPatch - m_areaData.m_terrainBounds.GetMin().GetY()) / m_areaData.m_terrainBounds.GetYExtent());
-
-                        uvMax[0] =
-                            (float)(((xPatch + GridMeters) - m_areaData.m_terrainBounds.GetMin().GetX()) / m_areaData.m_terrainBounds.GetXExtent());
-                        uvMax[1] =
-                            (float)(((yPatch + GridMeters) - m_areaData.m_terrainBounds.GetMin().GetY()) / m_areaData.m_terrainBounds.GetYExtent());
-
-                        AZStd::array<float, 2> uvStep =
+                        auto objectSrg = AZ::RPI::ShaderResourceGroup::Create(shaderAsset, materialAsset->GetObjectSrgLayout()->GetName());
+                        if (!objectSrg)
                         {
-                            1.0f / m_areaData.m_heightmapImageWidth, 1.0f / m_areaData.m_heightmapImageHeight,
-                        };
-
-                        AZ::Transform transform = m_areaData.m_transform;
-                        transform.SetTranslation(xPatch, yPatch, m_areaData.m_transform.GetTranslation().GetZ());
-
-                        AZ::Matrix3x4 matrix3x4 = AZ::Matrix3x4::CreateFromTransform(transform);
-
-                        objectSrg->SetConstant(m_modelToWorldIndex, matrix3x4);
-
-                        ShaderTerrainData terrainDataForSrg;
-                        terrainDataForSrg.m_sampleSpacing = m_areaData.m_sampleSpacing;
-                        terrainDataForSrg.m_heightScale = m_areaData.m_heightScale;
-                        terrainDataForSrg.m_uvMin = uvMin;
-                        terrainDataForSrg.m_uvMax = uvMax;
-                        terrainDataForSrg.m_uvStep = uvStep;
-                        objectSrg->SetConstant(m_terrainDataIndex, terrainDataForSrg);
-
-                        objectSrg->Compile();
-                    }
-
-                    m_sectorData.push_back();
-                    SectorData& sectorData = m_sectorData.back();
-
-                    for (auto& lod : m_patchModel->GetLods())
-                    {
-                        AZ::RPI::ModelLod& modelLod = *lod.get();
-                        sectorData.m_drawPackets.emplace_back(modelLod, 0, m_materialInstance, objectSrg);
-                        AZ::RPI::MeshDrawPacket& drawPacket = sectorData.m_drawPackets.back();
-
-                        // set the shader option to select forward pass IBL specular if necessary
-                        if (!drawPacket.SetShaderOption(AZ::Name("o_meshUseForwardPassIBLSpecular"), AZ::RPI::ShaderOptionValue{ false }))
-                        {
-                            AZ_Warning("MeshDrawPacket", false, "Failed to set o_meshUseForwardPassIBLSpecular on mesh draw packet");
+                            AZ_Warning("TerrainFeatureProcessor", false, "Failed to create a new shader resource group, skipping.");
+                            continue;
                         }
-                        uint8_t stencilRef = AZ::Render::StencilRefs::UseDiffuseGIPass | AZ::Render::StencilRefs::UseIBLSpecularPass;
-                        drawPacket.SetStencilRef(stencilRef);
-                        drawPacket.Update(*GetParentScene(), true);
+                    
+                        m_sectorData.push_back();
+                        SectorData& sectorData = m_sectorData.back();
+
+                        for (auto& lod : m_patchModel->GetLods())
+                        {
+                            AZ::RPI::ModelLod& modelLod = *lod.get();
+                            sectorData.m_drawPackets.emplace_back(modelLod, 0, m_materialInstance, objectSrg);
+                            AZ::RPI::MeshDrawPacket& drawPacket = sectorData.m_drawPackets.back();
+
+                            // set the shader option to select forward pass IBL specular if necessary
+                            if (!drawPacket.SetShaderOption(AZ::Name("o_meshUseForwardPassIBLSpecular"), AZ::RPI::ShaderOptionValue{ false }))
+                            {
+                                AZ_Warning("MeshDrawPacket", false, "Failed to set o_meshUseForwardPassIBLSpecular on mesh draw packet");
+                            }
+                            const uint8_t stencilRef = AZ::Render::StencilRefs::UseDiffuseGIPass | AZ::Render::StencilRefs::UseIBLSpecularPass;
+                            drawPacket.SetStencilRef(stencilRef);
+                            drawPacket.Update(*GetParentScene(), true);
+                        }
+
+                        sectorData.m_aabb =
+                            AZ::Aabb::CreateFromMinMax(
+                                AZ::Vector3(xPatch, yPatch, terrainBounds.GetMin().GetZ()),
+                                AZ::Vector3(xPatch + GridMeters, yPatch + GridMeters, terrainBounds.GetMax().GetZ())
+                            );
+                        sectorData.m_srg = objectSrg;
+                    }
+                }
+
+                if (m_areaData.m_macroMaterialsUpdated)
+                {
+                    // sectors were rebuilt, so any cached macro material data needs to be regenerated
+                    for (SectorData& sectorData : m_sectorData)
+                    {
+                        for (MacroMaterialData& macroMaterialData : m_macroMaterials.GetDataVector())
+                        {
+                            if (macroMaterialData.m_bounds.Overlaps(sectorData.m_aabb))
+                            {
+                                sectorData.m_macroMaterials.push_back(m_macroMaterials.GetIndexForData(&macroMaterialData));
+                                if (sectorData.m_macroMaterials.size() == MaxMaterialsPerSector)
+                                {
+                                    break;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (m_areaData.m_heightmapUpdated)
+            {
+                UpdateTerrainData();
+
+                const AZ::Data::Instance<AZ::RPI::Image> heightmapImage = m_areaData.m_heightmapImage;
+                m_materialInstance->SetPropertyValue(m_heightmapPropertyIndex, heightmapImage);
+                m_materialInstance->Compile();
+            }
+
+            if (m_areaData.m_heightmapUpdated || m_areaData.m_macroMaterialsUpdated)
+            {
+                // Currently when anything in the heightmap changes we're updating all the srgs, but this could probably
+                // be optimized to only update the srgs that changed.
+
+                m_areaData.m_heightmapUpdated = false;
+                m_areaData.m_macroMaterialsUpdated = false;
+
+                for (SectorData& sectorData : m_sectorData)
+                {
+                    ShaderTerrainData terrainDataForSrg;
+
+                    const float xPatch = sectorData.m_aabb.GetMin().GetX();
+                    const float yPatch = sectorData.m_aabb.GetMin().GetY();
+
+                    terrainDataForSrg.m_uvMin = {
+                        (xPatch - terrainBounds.GetMin().GetX()) / terrainBounds.GetXExtent(),
+                        (yPatch - terrainBounds.GetMin().GetY()) / terrainBounds.GetYExtent()
+                    };
+                    
+                    terrainDataForSrg.m_uvMax = {
+                        ((xPatch + GridMeters) - terrainBounds.GetMin().GetX()) / terrainBounds.GetXExtent(),
+                        ((yPatch + GridMeters) - terrainBounds.GetMin().GetY()) / terrainBounds.GetYExtent()
+                    };
+
+                    terrainDataForSrg.m_uvStep =
+                    {
+                        1.0f / m_areaData.m_heightmapImageWidth,
+                        1.0f / m_areaData.m_heightmapImageHeight,
+                    };
+
+                    AZ::Transform transform = m_areaData.m_transform;
+                    transform.SetTranslation(xPatch, yPatch, m_areaData.m_transform.GetTranslation().GetZ());
+
+                    terrainDataForSrg.m_sampleSpacing = m_areaData.m_sampleSpacing;
+                    terrainDataForSrg.m_heightScale = terrainBounds.GetZExtent();
+
+                    sectorData.m_srg->SetConstant(m_terrainDataIndex, terrainDataForSrg);
+
+                    AZStd::array<ShaderMacroMaterialData, MaxMaterialsPerSector> macroMaterialData;
+                    for (uint32_t i = 0; i < sectorData.m_macroMaterials.size(); ++i)
+                    {
+                        const MacroMaterialData& materialData = m_macroMaterials.GetData(sectorData.m_macroMaterials.at(i));
+                        ShaderMacroMaterialData& shaderData = macroMaterialData.at(i);
+                        const AZ::Aabb& materialBounds = materialData.m_bounds;
+
+                        // Use reverse coordinates (1 - y) for the y direction so that the lower left corner of the macro material images
+                        // map to the lower left corner in world space.  This will match up with the height uv coordinate mapping.
+                        shaderData.m_uvMin = {
+                            (xPatch - materialBounds.GetMin().GetX()) / materialBounds.GetXExtent(),
+                            1.0f - ((yPatch - materialBounds.GetMin().GetY()) / materialBounds.GetYExtent())
+                        };
+                        shaderData.m_uvMax = {
+                            ((xPatch + GridMeters) - materialBounds.GetMin().GetX()) / materialBounds.GetXExtent(),
+                            1.0f - (((yPatch + GridMeters) - materialBounds.GetMin().GetY()) / materialBounds.GetYExtent())
+                        };
+                        shaderData.m_normalFactor = materialData.m_normalFactor;
+                        shaderData.m_flipNormalX = materialData.m_normalFlipX;
+                        shaderData.m_flipNormalY = materialData.m_normalFlipY;
+
+                        const AZ::RHI::ImageView* colorImageView = materialData.m_colorImage ? materialData.m_colorImage->GetImageView() : nullptr;
+                        sectorData.m_srg->SetImageView(m_macroColorMapIndex, colorImageView, i);
+                        
+                        const AZ::RHI::ImageView* normalImageView = materialData.m_normalImage ? materialData.m_normalImage->GetImageView() : nullptr;
+                        sectorData.m_srg->SetImageView(m_macroNormalMapIndex, normalImageView, i);
+
+                        // set flags for which images are used.
+                        shaderData.m_mapsInUse = (colorImageView ? ColorImageUsed : 0) | (normalImageView ? NormalImageUsed : 0);
                     }
 
-                    sectorData.m_aabb =
-                        AZ::Aabb::CreateFromMinMax(
-                            AZ::Vector3(xPatch, yPatch, m_areaData.m_terrainBounds.GetMin().GetZ()),
-                            AZ::Vector3(xPatch + GridMeters, yPatch + GridMeters, m_areaData.m_terrainBounds.GetMax().GetZ())
-                        );
-                    sectorData.m_srg = objectSrg;
+                    sectorData.m_srg->SetConstantArray(m_macroMaterialDataIndex, macroMaterialData);
+                    sectorData.m_srg->SetConstant(m_macroMaterialCountIndex, aznumeric_cast<uint32_t>(sectorData.m_macroMaterials.size()));
+
+                    const AZ::Matrix3x4 matrix3x4 = AZ::Matrix3x4::CreateFromTransform(transform);
+                    sectorData.m_srg->SetConstant(m_modelToWorldIndex, matrix3x4);
+
+                    sectorData.m_srg->Compile();
                 }
             }
         }
@@ -366,12 +611,20 @@ namespace Terrain
             {
                 if ((view->GetUsageFlags() & AZ::RPI::View::UsageFlags::UsageCamera) > 0)
                 {
-                    AZ::Vector3 cameraPosition = view->GetCameraTransform().GetTranslation();
-                    AZ::Vector2 cameraPositionXY = AZ::Vector2(cameraPosition.GetX(), cameraPosition.GetY());
-                    AZ::Vector2 sectorCenterXY = AZ::Vector2(sectorData.m_aabb.GetCenter().GetX(), sectorData.m_aabb.GetCenter().GetY());
+                    const AZ::Vector3 cameraPosition = view->GetCameraTransform().GetTranslation();
+                    const AZ::Vector2 cameraPositionXY = AZ::Vector2(cameraPosition.GetX(), cameraPosition.GetY());
+                    const AZ::Vector2 sectorCenterXY = AZ::Vector2(sectorData.m_aabb.GetCenter().GetX(), sectorData.m_aabb.GetCenter().GetY());
 
-                    float sectorDistance = sectorCenterXY.GetDistance(cameraPositionXY);
-                    float lodForCamera = floorf(AZ::GetMax(0.0f, log2f(sectorDistance / (GridMeters * 4.0f))));
+                    const float sectorDistance = sectorCenterXY.GetDistance(cameraPositionXY);
+
+                    // This will be configurable later
+                    const float minDistanceForLod0 = (GridMeters * 4.0f);
+
+                    // For every distance doubling beyond a minDistanceForLod0, we only need half the mesh density. Each LOD
+                    // is exactly half the resolution of the last.
+                    const float lodForCamera = floorf(AZ::GetMax(0.0f, log2f(sectorDistance / minDistanceForLod0)));
+
+                    // All cameras should render the same LOD so effects like shadows are consistent.
                     lodChoice = AZ::GetMin(lodChoice, aznumeric_cast<uint8_t>(lodForCamera));
                 }
             }
@@ -382,7 +635,7 @@ namespace Terrain
                 AZ::Frustum viewFrustum = AZ::Frustum::CreateFromMatrixColumnMajor(view->GetWorldToClipMatrix());
                 if (viewFrustum.IntersectAabb(sectorData.m_aabb) != AZ::IntersectResult::Exterior)
                 {
-                    uint8_t lodToRender = AZ::GetMin(lodChoice, aznumeric_cast<uint8_t>(sectorData.m_drawPackets.size() - 1));
+                    const uint8_t lodToRender = AZ::GetMin(lodChoice, aznumeric_cast<uint8_t>(sectorData.m_drawPackets.size() - 1));
                     view->AddDrawPacket(sectorData.m_drawPackets.at(lodToRender).GetRHIDrawPacket());
                 }
             }
@@ -395,9 +648,8 @@ namespace Terrain
         patchdata.m_uvs.clear();
         patchdata.m_indices.clear();
 
-        uint16_t gridVertices = gridSize + 1; // For m_gridSize quads, (m_gridSize + 1) vertices are needed.
-        size_t size = gridVertices * gridVertices;
-        size *= size;
+        const uint16_t gridVertices = gridSize + 1; // For m_gridSize quads, (m_gridSize + 1) vertices are needed.
+        const size_t size = gridVertices * gridVertices;
 
         patchdata.m_positions.reserve(size);
         patchdata.m_uvs.reserve(size);
@@ -417,10 +669,10 @@ namespace Terrain
         {
             for (uint16_t x = 0; x < gridSize; ++x)
             {
-                uint16_t topLeft = y * gridVertices + x;
-                uint16_t topRight = topLeft + 1;
-                uint16_t bottomLeft = (y + 1) * gridVertices + x;
-                uint16_t bottomRight = bottomLeft + 1;
+                const uint16_t topLeft = y * gridVertices + x;
+                const uint16_t topRight = topLeft + 1;
+                const uint16_t bottomLeft = (y + 1) * gridVertices + x;
+                const uint16_t bottomRight = bottomLeft + 1;
 
                 patchdata.m_indices.emplace_back(topLeft);
                 patchdata.m_indices.emplace_back(topRight);
@@ -469,14 +721,14 @@ namespace Terrain
             PatchData patchData;
             InitializeTerrainPatch(gridSize, gridSpacing, patchData);
 
-            auto positionBufferViewDesc = AZ::RHI::BufferViewDescriptor::CreateTyped(0, aznumeric_cast<uint32_t>(patchData.m_positions.size()), AZ::RHI::Format::R32G32_FLOAT);
-            auto positionsOutcome = CreateBufferAsset(patchData.m_positions.data(), positionBufferViewDesc, "TerrainPatchPositions");
+            const auto positionBufferViewDesc = AZ::RHI::BufferViewDescriptor::CreateTyped(0, aznumeric_cast<uint32_t>(patchData.m_positions.size()), AZ::RHI::Format::R32G32_FLOAT);
+            const auto positionsOutcome = CreateBufferAsset(patchData.m_positions.data(), positionBufferViewDesc, "TerrainPatchPositions");
         
-            auto uvBufferViewDesc = AZ::RHI::BufferViewDescriptor::CreateTyped(0, aznumeric_cast<uint32_t>(patchData.m_uvs.size()), AZ::RHI::Format::R32G32_FLOAT);
-            auto uvsOutcome = CreateBufferAsset(patchData.m_uvs.data(), uvBufferViewDesc, "TerrainPatchUvs");
+            const auto uvBufferViewDesc = AZ::RHI::BufferViewDescriptor::CreateTyped(0, aznumeric_cast<uint32_t>(patchData.m_uvs.size()), AZ::RHI::Format::R32G32_FLOAT);
+            const auto uvsOutcome = CreateBufferAsset(patchData.m_uvs.data(), uvBufferViewDesc, "TerrainPatchUvs");
         
-            auto indexBufferViewDesc = AZ::RHI::BufferViewDescriptor::CreateTyped(0, aznumeric_cast<uint32_t>(patchData.m_indices.size()), AZ::RHI::Format::R16_UINT);
-            auto indicesOutcome = CreateBufferAsset(patchData.m_indices.data(), indexBufferViewDesc, "TerrainPatchIndices");
+            const auto indexBufferViewDesc = AZ::RHI::BufferViewDescriptor::CreateTyped(0, aznumeric_cast<uint32_t>(patchData.m_indices.size()), AZ::RHI::Format::R16_UINT);
+            const auto indicesOutcome = CreateBufferAsset(patchData.m_indices.data(), indexBufferViewDesc, "TerrainPatchIndices");
 
             if (!positionsOutcome.IsSuccess() || !uvsOutcome.IsSuccess() || !indicesOutcome.IsSuccess())
             {
@@ -514,7 +766,7 @@ namespace Terrain
         return success;
     }
     
-    void TerrainFeatureProcessor::OnMaterialReinitialized([[maybe_unused]] const AZ::Data::Instance<AZ::RPI::Material>& material)
+    void TerrainFeatureProcessor::OnMaterialReinitialized([[maybe_unused]] const MaterialInstance& material)
     {
         for (auto& sectorData : m_sectorData)
         {
@@ -530,4 +782,57 @@ namespace Terrain
         // This will control the max rendering size. Actual terrain size can be much
         // larger but this will limit how much is rendered.
     }
+    
+    TerrainFeatureProcessor::MacroMaterialData* TerrainFeatureProcessor::FindMacroMaterial(AZ::EntityId entityId)
+    {
+        for (MacroMaterialData& data : m_macroMaterials.GetDataVector())
+        {
+            if (data.m_entityId == entityId)
+            {
+                return &data;
+            }
+        }
+        return nullptr;
+    }
+
+    TerrainFeatureProcessor::MacroMaterialData& TerrainFeatureProcessor::FindOrCreateMacroMaterial(AZ::EntityId entityId)
+    {
+        MacroMaterialData* dataPtr = FindMacroMaterial(entityId);
+        if (dataPtr != nullptr)
+        {
+            return *dataPtr;
+        }
+
+        const uint16_t slotId = m_macroMaterials.GetFreeSlotIndex();
+        AZ_Assert(slotId != m_macroMaterials.NoFreeSlot, "Ran out of indices for macro materials");
+
+        MacroMaterialData& data = m_macroMaterials.GetData(slotId);
+        data.m_entityId = entityId;
+        return data;
+    }
+
+    void TerrainFeatureProcessor::RemoveMacroMaterial(AZ::EntityId entityId)
+    {
+        for (MacroMaterialData& data : m_macroMaterials.GetDataVector())
+        {
+            if (data.m_entityId == entityId)
+            {
+                m_macroMaterials.RemoveData(&data);
+                return;
+            }
+        }
+        AZ_Assert(false, "Entity Id not found in m_macroMaterials.")
+    }
+    
+    template<typename Callback>
+    void TerrainFeatureProcessor::ForOverlappingSectors(const AZ::Aabb& bounds, Callback callback)
+    {
+        for (SectorData& sectorData : m_sectorData)
+        {
+            if (sectorData.m_aabb.Overlaps(bounds))
+            {
+                callback(sectorData);
+            }
+        }
+    }
 }
diff --git a/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.h b/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.h
index d8df9b328c..d9f15f2d47 100644
--- a/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.h
+++ b/Gems/Terrain/Code/Source/TerrainRenderer/TerrainFeatureProcessor.h
@@ -11,11 +11,13 @@
 #include <AzCore/Component/Component.h>
 
 #include <AzFramework/Terrain/TerrainDataRequestBus.h>
+#include <TerrainRenderer/TerrainMacroMaterialBus.h>
 
 #include <Atom/RPI.Public/FeatureProcessor.h>
 #include <Atom/RPI.Public/Image/AttachmentImage.h>
 #include <Atom/RPI.Public/MeshDrawPacket.h>
 #include <Atom/RPI.Public/Material/MaterialReloadNotificationBus.h>
+#include <Atom/Feature/Utils/IndexedDataVector.h>
 
 namespace AZ::RPI
 {
@@ -25,6 +27,7 @@ namespace AZ::RPI
     }
     class Material;
     class Model;
+    class StreamingImage;
 }
 
 namespace Terrain
@@ -33,6 +36,7 @@ namespace Terrain
         : public AZ::RPI::FeatureProcessor
         , private AZ::RPI::MaterialReloadNotificationBus::Handler
         , private AzFramework::Terrain::TerrainDataNotificationBus::Handler
+        , private TerrainMacroMaterialNotificationBus::Handler
     {
     public:
         AZ_RTTI(TerrainFeatureProcessor, "{D7DAC1F9-4A9F-4D3C-80AE-99579BF8AB1C}", AZ::RPI::FeatureProcessor);
@@ -52,6 +56,15 @@ namespace Terrain
         void SetWorldSize(AZ::Vector2 sizeInMeters);
 
     private:
+        
+        using MaterialInstance = AZ::Data::Instance<AZ::RPI::Material>;
+        static constexpr uint32_t MaxMaterialsPerSector = 4;
+
+        enum MacroMaterialFlags
+        {
+            ColorImageUsed = 0b01,
+            NormalImageUsed = 0b10,
+        };
 
         struct ShaderTerrainData // Must align with struct in Object Srg
         {
@@ -61,7 +74,17 @@ namespace Terrain
             float m_sampleSpacing;
             float m_heightScale;
         };
-        
+
+        struct ShaderMacroMaterialData
+        {
+            AZStd::array<float, 2> m_uvMin;
+            AZStd::array<float, 2> m_uvMax;
+            float m_normalFactor;
+            uint32_t m_flipNormalX{ 0 }; // bool in shader
+            uint32_t m_flipNormalY{ 0 }; // bool in shader
+            uint32_t m_mapsInUse{ 0b00 }; // 0b01 = color, 0b10 = normal
+        };
+
         struct VertexPosition
         {
             float m_posx;
@@ -81,21 +104,56 @@ namespace Terrain
             AZStd::vector<uint16_t> m_indices;
         };
         
+        struct SectorData
+        {
+            AZ::Data::Instance<AZ::RPI::ShaderResourceGroup> m_srg; // Hold on to ref so it's not dropped
+            AZ::Aabb m_aabb;
+            AZStd::fixed_vector<AZ::RPI::MeshDrawPacket, AZ::RPI::ModelLodAsset::LodCountMax> m_drawPackets;
+            AZStd::fixed_vector<uint16_t, MaxMaterialsPerSector> m_macroMaterials;
+        };
+
+        struct MacroMaterialData
+        {
+            AZ::EntityId m_entityId;
+            AZ::Aabb m_bounds = AZ::Aabb::CreateNull();
+
+            AZ::Data::Instance<AZ::RPI::Image> m_colorImage;
+            AZ::Data::Instance<AZ::RPI::Image> m_normalImage;
+            bool m_normalFlipX{ false };
+            bool m_normalFlipY{ false };
+            float m_normalFactor{ 0.0f };
+        };
+
         // AZ::RPI::MaterialReloadNotificationBus::Handler overrides...
-        void OnMaterialReinitialized(const AZ::Data::Instance<AZ::RPI::Material>& material) override;
+        void OnMaterialReinitialized(const MaterialInstance& material) override;
 
         // AzFramework::Terrain::TerrainDataNotificationBus overrides...
         void OnTerrainDataDestroyBegin() override;
         void OnTerrainDataChanged(const AZ::Aabb& dirtyRegion, TerrainDataChangedMask dataChangedMask) override;
 
+        // TerrainMacroMaterialNotificationBus overrides...
+        void OnTerrainMacroMaterialCreated(AZ::EntityId entityId, MaterialInstance material, const AZ::Aabb& region) override;
+        void OnTerrainMacroMaterialChanged(AZ::EntityId entityId, MaterialInstance material) override;
+        void OnTerrainMacroMaterialRegionChanged(AZ::EntityId entityId, const AZ::Aabb& oldRegion, const AZ::Aabb& newRegion) override;
+        void OnTerrainMacroMaterialDestroyed(AZ::EntityId entityId) override;
+
         void Initialize();
         void InitializeTerrainPatch(uint16_t gridSize, float gridSpacing, PatchData& patchdata);
         bool InitializePatchModel();
 
         void UpdateTerrainData();
+        void PrepareMaterialData();
+        void UpdateMacroMaterialData(MacroMaterialData& macroMaterialData, MaterialInstance material);
 
         void ProcessSurfaces(const FeatureProcessor::RenderPacket& process);
         
+        MacroMaterialData* FindMacroMaterial(AZ::EntityId entityId);
+        MacroMaterialData& FindOrCreateMacroMaterial(AZ::EntityId entityId);
+        void RemoveMacroMaterial(AZ::EntityId entityId);
+
+        template<typename Callback>
+        void ForOverlappingSectors(const AZ::Aabb& bounds, Callback callback);
+
         AZ::Outcome<AZ::Data::Asset<AZ::RPI::BufferAsset>> CreateBufferAsset(
             const void* data, const AZ::RHI::BufferViewDescriptor& bufferViewDescriptor, const AZStd::string& bufferName);
 
@@ -105,10 +163,15 @@ namespace Terrain
         static constexpr float GridMeters{ GridSpacing * GridSize };
 
         AZStd::unique_ptr<AZ::RPI::AssetUtils::AsyncAssetLoader> m_materialAssetLoader;
-        AZ::Data::Instance<AZ::RPI::Material> m_materialInstance;
+        MaterialInstance m_materialInstance;
 
         AZ::RHI::ShaderInputConstantIndex m_modelToWorldIndex;
         AZ::RHI::ShaderInputConstantIndex m_terrainDataIndex;
+        AZ::RHI::ShaderInputConstantIndex m_macroMaterialDataIndex;
+        AZ::RHI::ShaderInputConstantIndex m_macroMaterialCountIndex;
+        AZ::RHI::ShaderInputImageIndex m_macroColorMapIndex;
+        AZ::RHI::ShaderInputImageIndex m_macroNormalMapIndex;
+        AZ::RPI::MaterialPropertyIndex m_heightmapPropertyIndex;
 
         AZ::Data::Instance<AZ::RPI::Model> m_patchModel;
 
@@ -117,26 +180,22 @@ namespace Terrain
         {
             AZ::Transform m_transform{ AZ::Transform::CreateIdentity() };
             AZ::Aabb m_terrainBounds{ AZ::Aabb::CreateNull() };
-            float m_heightScale{ 0.0f };
             AZ::Data::Instance<AZ::RPI::AttachmentImage> m_heightmapImage;
             uint32_t m_heightmapImageWidth{ 0 };
             uint32_t m_heightmapImageHeight{ 0 };
             uint32_t m_updateWidth{ 0 };
             uint32_t m_updateHeight{ 0 };
-            bool m_propertiesDirty{ true };
             float m_sampleSpacing{ 0.0f };
+            bool m_heightmapUpdated{ true };
+            bool m_macroMaterialsUpdated{ true };
+            bool m_rebuildSectors{ true };
         };
 
         TerrainAreaData m_areaData;
         AZ::Aabb m_dirtyRegion{ AZ::Aabb::CreateNull() };
 
-        struct SectorData
-        {
-            AZ::Data::Instance<AZ::RPI::ShaderResourceGroup> m_srg; // Hold on to ref so it's not dropped
-            AZ::Aabb m_aabb;
-            AZStd::fixed_vector<AZ::RPI::MeshDrawPacket, AZ::RPI::ModelLodAsset::LodCountMax> m_drawPackets;
-        };
-
         AZStd::vector<SectorData> m_sectorData;
+
+        AZ::Render::IndexedDataVector<MacroMaterialData> m_macroMaterials;
     };
 }
diff --git a/Registry/AssetProcessorPlatformConfig.setreg b/Registry/AssetProcessorPlatformConfig.setreg
index 3e90b063b5..ddc465c201 100644
--- a/Registry/AssetProcessorPlatformConfig.setreg
+++ b/Registry/AssetProcessorPlatformConfig.setreg
@@ -106,7 +106,7 @@
                 // "exclude": "mac"
                 // }
 
-                "ScanFolder Game": {
+                "ScanFolder Project/Assets": {
                     "watch": "@PROJECTROOT@",
                     "display": "@PROJECTNAME@",
                     "recursive": 1,
@@ -129,6 +129,11 @@
                     "order": 30000,
                     "include": "tools,renderer"
                 },
+                "ScanFolder Engine/Registry": {
+                    "watch": "@ENGINEROOT@/Registry",
+                    "recursive": 1,
+                    "order": 40000
+                },
 
                 // Excludes files that match the pattern or glob 
                 // if you use a pattern, remember to escape your backslashes (\\)
diff --git a/Registry/bootstrap.setreg b/Registry/bootstrap.setreg
index 3a15d59450..b2bcdd7f3f 100644
--- a/Registry/bootstrap.setreg
+++ b/Registry/bootstrap.setreg
@@ -17,7 +17,7 @@
                 "remote_port": 45643,
                 "connect_to_remote": 0,
                 "windows_connect_to_remote": 1,
-                "linux_connect_to_remote": 0,
+                "linux_connect_to_remote": 1,
                 "provo_connect_to_remote": 1,
                 "salem_connect_to_remote": 0,
                 "jasper_connect_to_remote": 0,
@@ -29,7 +29,7 @@
                 "salem_wait_for_connect": 0,
                 "jasper_wait_for_connect": 0,
                 "windows_wait_for_connect": 1,
-                "linux_wait_for_connect": 0,
+                "linux_wait_for_connect": 1,
                 "android_wait_for_connect": 0,
                 "ios_wait_for_connect": 0,
                 "mac_wait_for_connect": 0,
diff --git a/Registry/setregbuilder.assetprocessor.setreg b/Registry/setregbuilder.assetprocessor.setreg
index 00e6e2f7f8..d67b6047f6 100644
--- a/Registry/setregbuilder.assetprocessor.setreg
+++ b/Registry/setregbuilder.assetprocessor.setreg
@@ -20,8 +20,13 @@
                 "Excludes":
                 [
                     "/Amazon/AzCore/Runtime",
+                    "/Amazon/AzCore/Bootstrap/engine_path",
                     "/Amazon/AzCore/Bootstrap/project_path",
-                    "/O3DE/Runtime",
+                    "/Amazon/AzCore/Bootstrap/project_cache_path",
+                    "/Amazon/AzCore/Bootstrap/project_user_path",
+                    "/Amazon/AzCore/Bootstrap/project_log_path",
+                    "/Amazon/Project/Settings/Build/project_build_path",
+                    "/O3DE/Runtime"
                 ]
             }
         }
diff --git a/Templates/CustomTool/Template/CMakeLists.txt b/Templates/CustomTool/Template/CMakeLists.txt
new file mode 100644
index 0000000000..b19ea2edce
--- /dev/null
+++ b/Templates/CustomTool/Template/CMakeLists.txt
@@ -0,0 +1,22 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(o3de_gem_path ${CMAKE_CURRENT_LIST_DIR})
+set(o3de_gem_json ${o3de_gem_path}/gem.json)
+o3de_read_json_key(o3de_gem_name ${o3de_gem_json} "gem_name")
+o3de_restricted_path(${o3de_gem_json} o3de_gem_restricted_path)
+
+ly_get_list_relative_pal_filename(pal_dir ${CMAKE_CURRENT_LIST_DIR}/Platform/${PAL_PLATFORM_NAME} "${o3de_gem_restricted_path}" ${o3de_gem_path} ${o3de_gem_name})
+
+# Now that we have the platform abstraction layer (PAL) folder for this folder, thats where we will find the
+# project cmake for this platform.
+include(${pal_dir}/${PAL_PLATFORM_NAME_LOWERCASE}_gem.cmake)
+
+ly_add_external_target_path(${CMAKE_CURRENT_LIST_DIR}/3rdParty)
+
+add_subdirectory(Code)
diff --git a/Templates/CustomTool/Template/Code/${NameLower}_editor_files.cmake b/Templates/CustomTool/Template/Code/${NameLower}_editor_files.cmake
new file mode 100644
index 0000000000..d73efffa2e
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/${NameLower}_editor_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(FILES
+    Source/${Name}EditorSystemComponent.cpp
+    Source/${Name}EditorSystemComponent.h
+    Source/${Name}Widget.cpp
+    Source/${Name}Widget.h
+    Source/${Name}.qrc
+)
diff --git a/Templates/CustomTool/Template/Code/${NameLower}_editor_shared_files.cmake b/Templates/CustomTool/Template/Code/${NameLower}_editor_shared_files.cmake
new file mode 100644
index 0000000000..2d4ceae97d
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/${NameLower}_editor_shared_files.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(FILES
+    Source/${Name}EditorModule.cpp
+)
diff --git a/Templates/CustomTool/Template/Code/${NameLower}_editor_tests_files.cmake b/Templates/CustomTool/Template/Code/${NameLower}_editor_tests_files.cmake
new file mode 100644
index 0000000000..ff45c2fc1c
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/${NameLower}_editor_tests_files.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(FILES
+    Tests/${Name}EditorTest.cpp
+)
diff --git a/Templates/CustomTool/Template/Code/${NameLower}_files.cmake b/Templates/CustomTool/Template/Code/${NameLower}_files.cmake
new file mode 100644
index 0000000000..b7d6d37bdf
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/${NameLower}_files.cmake
@@ -0,0 +1,14 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(FILES
+    Include/${Name}/${Name}Bus.h
+    Source/${Name}ModuleInterface.h
+    Source/${Name}SystemComponent.cpp
+    Source/${Name}SystemComponent.h
+)
diff --git a/Templates/CustomTool/Template/Code/${NameLower}_shared_files.cmake b/Templates/CustomTool/Template/Code/${NameLower}_shared_files.cmake
new file mode 100644
index 0000000000..b85916191c
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/${NameLower}_shared_files.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(FILES
+    Source/${Name}Module.cpp
+)
diff --git a/Templates/CustomTool/Template/Code/${NameLower}_tests_files.cmake b/Templates/CustomTool/Template/Code/${NameLower}_tests_files.cmake
new file mode 100644
index 0000000000..adcfe2645f
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/${NameLower}_tests_files.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(FILES
+    Tests/${Name}Test.cpp
+)
diff --git a/Templates/CustomTool/Template/Code/CMakeLists.txt b/Templates/CustomTool/Template/Code/CMakeLists.txt
new file mode 100644
index 0000000000..f5cda477fc
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/CMakeLists.txt
@@ -0,0 +1,168 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Currently we are in the Code folder: ${CMAKE_CURRENT_LIST_DIR}
+# Get the platform specific folder ${pal_dir} for the current folder: ${CMAKE_CURRENT_LIST_DIR}/Platform/${PAL_PLATFORM_NAME}
+# Note: ly_get_list_relative_pal_filename will take care of the details for us, as this may be a restricted platform
+#       in which case it will see if that platform is present here or in the restricted folder.
+#       i.e. It could here in our gem : Gems/${Name}/Code/Platform/<platorm_name>  or
+#            <restricted_folder>/<platform_name>/Gems/${Name}/Code
+ly_get_list_relative_pal_filename(pal_dir ${CMAKE_CURRENT_LIST_DIR}/Platform/${PAL_PLATFORM_NAME} ${o3de_gem_restricted_path} ${o3de_gem_path} ${o3de_gem_name})
+
+# Now that we have the platform abstraction layer (PAL) folder for this folder, thats where we will find the
+# traits for this platform. Traits for a platform are defines for things like whether or not something in this gem
+# is supported by this platform.
+include(${pal_dir}/PAL_${PAL_PLATFORM_NAME_LOWERCASE}.cmake)
+
+# Add the ${Name}.Static target
+# Note: We include the common files and the platform specific files which are set in ${NameLower}_common_files.cmake
+# and in ${pal_dir}/${NameLower}_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
+ly_add_target(
+    NAME ${Name}.Static STATIC
+    NAMESPACE Gem
+    FILES_CMAKE
+        ${NameLower}_files.cmake
+        ${pal_dir}/${NameLower}_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
+    INCLUDE_DIRECTORIES
+        PUBLIC
+            Include
+        PRIVATE
+            Source
+    BUILD_DEPENDENCIES
+        PUBLIC
+            AZ::AzCore
+            AZ::AzFramework
+)
+
+# Here add ${Name} target, it depends on the ${Name}.Static
+ly_add_target(
+    NAME ${Name} ${PAL_TRAIT_MONOLITHIC_DRIVEN_MODULE_TYPE}
+    NAMESPACE Gem
+    FILES_CMAKE
+        ${NameLower}_shared_files.cmake
+        ${pal_dir}/${NameLower}_shared_${PAL_PLATFORM_NAME_LOWERCASE}_files.cmake
+    INCLUDE_DIRECTORIES
+        PUBLIC
+            Include
+        PRIVATE
+            Source
+    BUILD_DEPENDENCIES
+        PRIVATE
+            Gem::${Name}.Static
+)
+
+# By default, we will specify that the above target ${Name} would be used by
+# Client and Server type targets when this gem is enabled.  If you don't want it
+# active in Clients or Servers by default, delete one of both of the following lines:
+ly_create_alias(NAME ${Name}.Clients NAMESPACE Gem TARGETS Gem::${Name})
+ly_create_alias(NAME ${Name}.Servers NAMESPACE Gem TARGETS Gem::${Name})
+
+# If we are on a host platform, we want to add the host tools targets like the ${Name}.Editor target which
+# will also depend on ${Name}.Static
+if(PAL_TRAIT_BUILD_HOST_TOOLS)
+    ly_add_target(
+        NAME ${Name}.Editor.Static STATIC
+        NAMESPACE Gem
+        AUTOMOC
+        AUTORCC
+        FILES_CMAKE
+            ${NameLower}_editor_files.cmake
+        INCLUDE_DIRECTORIES
+            PRIVATE
+                Source
+            PUBLIC
+                Include
+        BUILD_DEPENDENCIES
+            PUBLIC
+                AZ::AzToolsFramework
+                Gem::${Name}.Static
+    )
+
+    ly_add_target(
+        NAME ${Name}.Editor GEM_MODULE
+        NAMESPACE Gem
+        AUTOMOC
+        FILES_CMAKE
+            ${NameLower}_editor_shared_files.cmake
+        INCLUDE_DIRECTORIES
+            PRIVATE
+                Source
+            PUBLIC
+                Include
+        BUILD_DEPENDENCIES
+            PUBLIC
+                Gem::${Name}.Editor.Static
+    )
+
+    # By default, we will specify that the above target ${Name} would be used by
+    # Tool and Builder type targets when this gem is enabled.  If you don't want it
+    # active in Tools or Builders by default, delete one of both of the following lines:
+    ly_create_alias(NAME ${Name}.Tools    NAMESPACE Gem TARGETS Gem::${Name}.Editor)
+    ly_create_alias(NAME ${Name}.Builders NAMESPACE Gem TARGETS Gem::${Name}.Editor)
+
+
+endif()
+
+################################################################################
+# Tests
+################################################################################
+# See if globally, tests are supported
+if(PAL_TRAIT_BUILD_TESTS_SUPPORTED)
+    # We globally support tests, see if we support tests on this platform for ${Name}.Static
+    if(PAL_TRAIT_${NameUpper}_TEST_SUPPORTED)
+        # We support ${Name}.Tests on this platform, add ${Name}.Tests target which depends on ${Name}.Static
+        ly_add_target(
+            NAME ${Name}.Tests ${PAL_TRAIT_TEST_TARGET_TYPE}
+            NAMESPACE Gem
+            FILES_CMAKE
+                ${NameLower}_files.cmake
+                ${NameLower}_tests_files.cmake
+            INCLUDE_DIRECTORIES
+                PRIVATE
+                    Tests
+                    Source
+            BUILD_DEPENDENCIES
+                PRIVATE
+                    AZ::AzTest
+                    AZ::AzFramework
+                    Gem::${Name}.Static
+        )
+
+        # Add ${Name}.Tests to googletest
+        ly_add_googletest(
+            NAME Gem::${Name}.Tests
+        )
+    endif()
+
+    # If we are a host platform we want to add tools test like editor tests here
+    if(PAL_TRAIT_BUILD_HOST_TOOLS)
+        # We are a host platform, see if Editor tests are supported on this platform
+        if(PAL_TRAIT_${NameUpper}_EDITOR_TEST_SUPPORTED)
+            # We support ${Name}.Editor.Tests on this platform, add ${Name}.Editor.Tests target which depends on ${Name}.Editor
+            ly_add_target(
+                NAME ${Name}.Editor.Tests ${PAL_TRAIT_TEST_TARGET_TYPE}
+                NAMESPACE Gem
+                FILES_CMAKE
+                    ${NameLower}_editor_tests_files.cmake
+                INCLUDE_DIRECTORIES
+                    PRIVATE
+                        Tests
+                        Source
+                BUILD_DEPENDENCIES
+                    PRIVATE
+                        AZ::AzTest
+                        Gem::${Name}.Editor
+            )
+
+            # Add ${Name}.Editor.Tests to googletest
+            ly_add_googletest(
+                NAME Gem::${Name}.Editor.Tests
+            )
+        endif()
+    endif()
+endif()
diff --git a/Templates/CustomTool/Template/Code/Include/${Name}/${Name}Bus.h b/Templates/CustomTool/Template/Code/Include/${Name}/${Name}Bus.h
new file mode 100644
index 0000000000..d09bb2b009
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Include/${Name}/${Name}Bus.h
@@ -0,0 +1,40 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#pragma once
+
+#include <AzCore/EBus/EBus.h>
+#include <AzCore/Interface/Interface.h>
+
+namespace ${SanitizedCppName}
+{
+    class ${SanitizedCppName}Requests
+    {
+    public:
+        AZ_RTTI(${SanitizedCppName}Requests, "{${Random_Uuid}}");
+        virtual ~${SanitizedCppName}Requests() = default;
+        // Put your public methods here
+    };
+    
+    class ${SanitizedCppName}BusTraits
+        : public AZ::EBusTraits
+    {
+    public:
+        //////////////////////////////////////////////////////////////////////////
+        // EBusTraits overrides
+        static constexpr AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
+        static constexpr AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
+        //////////////////////////////////////////////////////////////////////////
+    };
+
+    using ${SanitizedCppName}RequestBus = AZ::EBus<${SanitizedCppName}Requests, ${SanitizedCppName}BusTraits>;
+    using ${SanitizedCppName}Interface = AZ::Interface<${SanitizedCppName}Requests>;
+
+} // namespace ${SanitizedCppName}
diff --git a/Templates/CustomTool/Template/Code/Platform/Android/${NameLower}_android_files.cmake b/Templates/CustomTool/Template/Code/Platform/Android/${NameLower}_android_files.cmake
new file mode 100644
index 0000000000..5b6da14a20
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Android/${NameLower}_android_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Android
+# i.e. ../Source/Android/${Name}Android.cpp
+#      ../Source/Android/${Name}Android.h
+#      ../Include/Android/${Name}Android.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Android/${NameLower}_shared_android_files.cmake b/Templates/CustomTool/Template/Code/Platform/Android/${NameLower}_shared_android_files.cmake
new file mode 100644
index 0000000000..5b6da14a20
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Android/${NameLower}_shared_android_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Android
+# i.e. ../Source/Android/${Name}Android.cpp
+#      ../Source/Android/${Name}Android.h
+#      ../Include/Android/${Name}Android.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Android/PAL_android.cmake b/Templates/CustomTool/Template/Code/Platform/Android/PAL_android.cmake
new file mode 100644
index 0000000000..90d1caccf4
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Android/PAL_android.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(PAL_TRAIT_${NameUpper}_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_TEST_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_EDITOR_TEST_SUPPORTED FALSE)
diff --git a/Templates/CustomTool/Template/Code/Platform/Linux/${NameLower}_linux_files.cmake b/Templates/CustomTool/Template/Code/Platform/Linux/${NameLower}_linux_files.cmake
new file mode 100644
index 0000000000..2f58a2e6f5
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Linux/${NameLower}_linux_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Linux
+# i.e. ../Source/Linux/${Name}Linux.cpp
+#      ../Source/Linux/${Name}Linux.h
+#      ../Include/Linux/${Name}Linux.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Linux/${NameLower}_shared_linux_files.cmake b/Templates/CustomTool/Template/Code/Platform/Linux/${NameLower}_shared_linux_files.cmake
new file mode 100644
index 0000000000..2f58a2e6f5
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Linux/${NameLower}_shared_linux_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Linux
+# i.e. ../Source/Linux/${Name}Linux.cpp
+#      ../Source/Linux/${Name}Linux.h
+#      ../Include/Linux/${Name}Linux.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Linux/PAL_linux.cmake b/Templates/CustomTool/Template/Code/Platform/Linux/PAL_linux.cmake
new file mode 100644
index 0000000000..0abcd887e8
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Linux/PAL_linux.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(PAL_TRAIT_${NameUpper}_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_TEST_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_EDITOR_TEST_SUPPORTED TRUE)
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Code/Platform/Mac/${NameLower}_mac_files.cmake b/Templates/CustomTool/Template/Code/Platform/Mac/${NameLower}_mac_files.cmake
new file mode 100644
index 0000000000..1cf737a2f1
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Mac/${NameLower}_mac_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Mac
+# i.e. ../Source/Mac/${Name}Mac.cpp
+#      ../Source/Mac/${Name}Mac.h
+#      ../Include/Mac/${Name}Mac.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Mac/${NameLower}_shared_mac_files.cmake b/Templates/CustomTool/Template/Code/Platform/Mac/${NameLower}_shared_mac_files.cmake
new file mode 100644
index 0000000000..1cf737a2f1
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Mac/${NameLower}_shared_mac_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Mac
+# i.e. ../Source/Mac/${Name}Mac.cpp
+#      ../Source/Mac/${Name}Mac.h
+#      ../Include/Mac/${Name}Mac.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Mac/PAL_mac.cmake b/Templates/CustomTool/Template/Code/Platform/Mac/PAL_mac.cmake
new file mode 100644
index 0000000000..0abcd887e8
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Mac/PAL_mac.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(PAL_TRAIT_${NameUpper}_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_TEST_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_EDITOR_TEST_SUPPORTED TRUE)
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Code/Platform/Windows/${NameLower}_shared_windows_files.cmake b/Templates/CustomTool/Template/Code/Platform/Windows/${NameLower}_shared_windows_files.cmake
new file mode 100644
index 0000000000..712aad1207
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Windows/${NameLower}_shared_windows_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Windows
+# i.e. ../Source/Windows/${Name}Windows.cpp
+#      ../Source/Windows/${Name}Windows.h
+#      ../Include/Windows/${Name}Windows.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Windows/${NameLower}_windows_files.cmake b/Templates/CustomTool/Template/Code/Platform/Windows/${NameLower}_windows_files.cmake
new file mode 100644
index 0000000000..712aad1207
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Windows/${NameLower}_windows_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for Windows
+# i.e. ../Source/Windows/${Name}Windows.cpp
+#      ../Source/Windows/${Name}Windows.h
+#      ../Include/Windows/${Name}Windows.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/Windows/PAL_windows.cmake b/Templates/CustomTool/Template/Code/Platform/Windows/PAL_windows.cmake
new file mode 100644
index 0000000000..0abcd887e8
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/Windows/PAL_windows.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(PAL_TRAIT_${NameUpper}_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_TEST_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_EDITOR_TEST_SUPPORTED TRUE)
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Code/Platform/iOS/${NameLower}_ios_files.cmake b/Templates/CustomTool/Template/Code/Platform/iOS/${NameLower}_ios_files.cmake
new file mode 100644
index 0000000000..61efde11c2
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/iOS/${NameLower}_ios_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for iOS
+# i.e. ../Source/iOS/${Name}iOS.cpp
+#      ../Source/iOS/${Name}iOS.h
+#      ../Include/iOS/${Name}iOS.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/iOS/${NameLower}_shared_ios_files.cmake b/Templates/CustomTool/Template/Code/Platform/iOS/${NameLower}_shared_ios_files.cmake
new file mode 100644
index 0000000000..61efde11c2
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/iOS/${NameLower}_shared_ios_files.cmake
@@ -0,0 +1,15 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+# Platform specific files for iOS
+# i.e. ../Source/iOS/${Name}iOS.cpp
+#      ../Source/iOS/${Name}iOS.h
+#      ../Include/iOS/${Name}iOS.h
+
+set(FILES
+)
diff --git a/Templates/CustomTool/Template/Code/Platform/iOS/PAL_ios.cmake b/Templates/CustomTool/Template/Code/Platform/iOS/PAL_ios.cmake
new file mode 100644
index 0000000000..332f4469b6
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Platform/iOS/PAL_ios.cmake
@@ -0,0 +1,11 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
+set(PAL_TRAIT_${NameUpper}_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_TEST_SUPPORTED TRUE)
+set(PAL_TRAIT_${NameUpper}_EDITOR_TEST_SUPPORTED FALSE)
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}.qrc b/Templates/CustomTool/Template/Code/Source/${Name}.qrc
new file mode 100644
index 0000000000..90d7695b88
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+    <qresource prefix="/${Name}">
+        <file alias="toolbar_icon.svg">toolbar_icon.svg</file>
+    </qresource>
+</RCC>
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}EditorModule.cpp b/Templates/CustomTool/Template/Code/Source/${Name}EditorModule.cpp
new file mode 100644
index 0000000000..0027af011a
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}EditorModule.cpp
@@ -0,0 +1,55 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <${Name}ModuleInterface.h>
+#include <${Name}EditorSystemComponent.h>
+
+void Init${SanitizedCppName}Resources()
+{
+    // We must register our Qt resources (.qrc file) since this is being loaded from a separate module (gem)
+    Q_INIT_RESOURCE(${SanitizedCppName});
+}
+
+namespace ${SanitizedCppName}
+{
+    class ${SanitizedCppName}EditorModule
+        : public ${SanitizedCppName}ModuleInterface
+    {
+    public:
+        AZ_RTTI(${SanitizedCppName}EditorModule, "${ModuleClassId}", ${SanitizedCppName}ModuleInterface);
+        AZ_CLASS_ALLOCATOR(${SanitizedCppName}EditorModule, AZ::SystemAllocator, 0);
+
+        ${SanitizedCppName}EditorModule()
+        {
+            Init${SanitizedCppName}Resources();
+
+            // Push results of [MyComponent]::CreateDescriptor() into m_descriptors here.
+            // Add ALL components descriptors associated with this gem to m_descriptors.
+            // This will associate the AzTypeInfo information for the components with the the SerializeContext, BehaviorContext and EditContext.
+            // This happens through the [MyComponent]::Reflect() function.
+            m_descriptors.insert(m_descriptors.end(), {
+                ${SanitizedCppName}EditorSystemComponent::CreateDescriptor(),
+            });
+        }
+
+        /**
+         * Add required SystemComponents to the SystemEntity.
+         * Non-SystemComponents should not be added here
+         */
+        AZ::ComponentTypeList GetRequiredSystemComponents() const override
+        {
+            return AZ::ComponentTypeList {
+                azrtti_typeid<${SanitizedCppName}EditorSystemComponent>(),
+            };
+        }
+    };
+}// namespace ${SanitizedCppName}
+
+AZ_DECLARE_MODULE_CLASS(Gem_${SanitizedCppName}, ${SanitizedCppName}::${SanitizedCppName}EditorModule)
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}EditorSystemComponent.cpp b/Templates/CustomTool/Template/Code/Source/${Name}EditorSystemComponent.cpp
new file mode 100644
index 0000000000..f12fa04929
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}EditorSystemComponent.cpp
@@ -0,0 +1,78 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <AzCore/Serialization/SerializeContext.h>
+
+#include <AzToolsFramework/API/ViewPaneOptions.h>
+
+#include <${Name}Widget.h>
+#include <${Name}EditorSystemComponent.h>
+
+namespace ${SanitizedCppName}
+{
+    void ${SanitizedCppName}EditorSystemComponent::Reflect(AZ::ReflectContext* context)
+    {
+        if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serializeContext->Class<${SanitizedCppName}EditorSystemComponent, ${SanitizedCppName}SystemComponent>()
+                ->Version(0);
+        }
+    }
+
+    ${SanitizedCppName}EditorSystemComponent::${SanitizedCppName}EditorSystemComponent() = default;
+
+    ${SanitizedCppName}EditorSystemComponent::~${SanitizedCppName}EditorSystemComponent() = default;
+
+    void ${SanitizedCppName}EditorSystemComponent::GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
+    {
+        BaseSystemComponent::GetProvidedServices(provided);
+        provided.push_back(AZ_CRC_CE("${SanitizedCppName}EditorService"));
+    }
+
+    void ${SanitizedCppName}EditorSystemComponent::GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible)
+    {
+        BaseSystemComponent::GetIncompatibleServices(incompatible);
+        incompatible.push_back(AZ_CRC_CE("${SanitizedCppName}EditorService"));
+    }
+
+    void ${SanitizedCppName}EditorSystemComponent::GetRequiredServices([[maybe_unused]] AZ::ComponentDescriptor::DependencyArrayType& required)
+    {
+        BaseSystemComponent::GetRequiredServices(required);
+    }
+
+    void ${SanitizedCppName}EditorSystemComponent::GetDependentServices([[maybe_unused]] AZ::ComponentDescriptor::DependencyArrayType& dependent)
+    {
+        BaseSystemComponent::GetDependentServices(dependent);
+    }
+
+    void ${SanitizedCppName}EditorSystemComponent::Activate()
+    {
+        ${SanitizedCppName}SystemComponent::Activate();
+        AzToolsFramework::EditorEvents::Bus::Handler::BusConnect();
+    }
+
+    void ${SanitizedCppName}EditorSystemComponent::Deactivate()
+    {
+        AzToolsFramework::EditorEvents::Bus::Handler::BusDisconnect();
+        ${SanitizedCppName}SystemComponent::Deactivate();
+    }
+
+    void ${SanitizedCppName}EditorSystemComponent::NotifyRegisterViews()
+    {
+        AzToolsFramework::ViewPaneOptions options;
+        options.paneRect = QRect(100, 100, 500, 400);
+        options.showOnToolsToolbar = true;
+        options.toolbarIcon = ":/${Name}/toolbar_icon.svg";
+
+        // Register our custom widget as a dockable tool with the Editor
+        AzToolsFramework::RegisterViewPane<${SanitizedCppName}Widget>("${Name}", "Tools", options);
+    }
+
+} // namespace ${SanitizedCppName}
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}EditorSystemComponent.h b/Templates/CustomTool/Template/Code/Source/${Name}EditorSystemComponent.h
new file mode 100644
index 0000000000..bbeac97da3
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}EditorSystemComponent.h
@@ -0,0 +1,45 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#pragma once
+
+#include <${Name}SystemComponent.h>
+
+#include <AzToolsFramework/Entity/EditorEntityContextBus.h>
+
+namespace ${SanitizedCppName}
+{
+    /// System component for ${SanitizedCppName} editor
+    class ${SanitizedCppName}EditorSystemComponent
+        : public ${SanitizedCppName}SystemComponent
+        , private AzToolsFramework::EditorEvents::Bus::Handler
+    {
+        using BaseSystemComponent = ${SanitizedCppName}SystemComponent;
+    public:
+        AZ_COMPONENT(${SanitizedCppName}EditorSystemComponent, "${EditorSysCompClassId}", BaseSystemComponent);
+        static void Reflect(AZ::ReflectContext* context);
+
+        ${SanitizedCppName}EditorSystemComponent();
+        ~${SanitizedCppName}EditorSystemComponent();
+
+    private:
+        static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
+        static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible);
+        static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required);
+        static void GetDependentServices(AZ::ComponentDescriptor::DependencyArrayType& dependent);
+
+        // AZ::Component
+        void Activate() override;
+        void Deactivate() override;
+
+        // AzToolsFramework::EditorEventsBus overrides ...
+        void NotifyRegisterViews() override;
+    };
+} // namespace ${SanitizedCppName}
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}Module.cpp b/Templates/CustomTool/Template/Code/Source/${Name}Module.cpp
new file mode 100644
index 0000000000..0a6e8bde3c
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}Module.cpp
@@ -0,0 +1,25 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <${Name}ModuleInterface.h>
+#include <${Name}SystemComponent.h>
+
+namespace ${SanitizedCppName}
+{
+    class ${SanitizedCppName}Module
+        : public ${SanitizedCppName}ModuleInterface
+    {
+    public:
+        AZ_RTTI(${SanitizedCppName}Module, "${ModuleClassId}", ${SanitizedCppName}ModuleInterface);
+        AZ_CLASS_ALLOCATOR(${SanitizedCppName}Module, AZ::SystemAllocator, 0);
+    };
+}// namespace ${SanitizedCppName}
+
+AZ_DECLARE_MODULE_CLASS(Gem_${SanitizedCppName}, ${SanitizedCppName}::${SanitizedCppName}Module)
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}ModuleInterface.h b/Templates/CustomTool/Template/Code/Source/${Name}ModuleInterface.h
new file mode 100644
index 0000000000..925632491a
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}ModuleInterface.h
@@ -0,0 +1,45 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <AzCore/Memory/SystemAllocator.h>
+#include <AzCore/Module/Module.h>
+#include <${Name}SystemComponent.h>
+
+namespace ${SanitizedCppName}
+{
+    class ${SanitizedCppName}ModuleInterface
+        : public AZ::Module
+    {
+    public:
+        AZ_RTTI(${SanitizedCppName}ModuleInterface, "{${Random_Uuid}}", AZ::Module);
+        AZ_CLASS_ALLOCATOR(${SanitizedCppName}ModuleInterface, AZ::SystemAllocator, 0);
+
+        ${SanitizedCppName}ModuleInterface()
+        {
+            // Push results of [MyComponent]::CreateDescriptor() into m_descriptors here.
+            // Add ALL components descriptors associated with this gem to m_descriptors.
+            // This will associate the AzTypeInfo information for the components with the the SerializeContext, BehaviorContext and EditContext.
+            // This happens through the [MyComponent]::Reflect() function.
+            m_descriptors.insert(m_descriptors.end(), {
+                ${SanitizedCppName}SystemComponent::CreateDescriptor(),
+                });
+        }
+
+        /**
+         * Add required SystemComponents to the SystemEntity.
+         */
+        AZ::ComponentTypeList GetRequiredSystemComponents() const override
+        {
+            return AZ::ComponentTypeList{
+                azrtti_typeid<${SanitizedCppName}SystemComponent>(),
+            };
+        }
+    };
+}// namespace ${SanitizedCppName}
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}SystemComponent.cpp b/Templates/CustomTool/Template/Code/Source/${Name}SystemComponent.cpp
new file mode 100644
index 0000000000..cb4d58418e
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}SystemComponent.cpp
@@ -0,0 +1,92 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <${Name}SystemComponent.h>
+
+#include <AzCore/Serialization/SerializeContext.h>
+#include <AzCore/Serialization/EditContext.h>
+#include <AzCore/Serialization/EditContextConstants.inl>
+
+namespace ${SanitizedCppName}
+{
+    void ${SanitizedCppName}SystemComponent::Reflect(AZ::ReflectContext* context)
+    {
+        if (AZ::SerializeContext* serialize = azrtti_cast<AZ::SerializeContext*>(context))
+        {
+            serialize->Class<${SanitizedCppName}SystemComponent, AZ::Component>()
+                ->Version(0)
+                ;
+
+            if (AZ::EditContext* ec = serialize->GetEditContext())
+            {
+                ec->Class<${SanitizedCppName}SystemComponent>("${SanitizedCppName}", "[Description of functionality provided by this System Component]")
+                    ->ClassElement(AZ::Edit::ClassElements::EditorData, "")
+                        ->Attribute(AZ::Edit::Attributes::AppearsInAddComponentMenu, AZ_CRC("System"))
+                        ->Attribute(AZ::Edit::Attributes::AutoExpand, true)
+                    ;
+            }
+        }
+    }
+
+    void ${SanitizedCppName}SystemComponent::GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
+    {
+        provided.push_back(AZ_CRC_CE("${SanitizedCppName}Service"));
+    }
+
+    void ${SanitizedCppName}SystemComponent::GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible)
+    {
+        incompatible.push_back(AZ_CRC_CE("${SanitizedCppName}Service"));
+    }
+
+    void ${SanitizedCppName}SystemComponent::GetRequiredServices([[maybe_unused]] AZ::ComponentDescriptor::DependencyArrayType& required)
+    {
+    }
+
+    void ${SanitizedCppName}SystemComponent::GetDependentServices([[maybe_unused]] AZ::ComponentDescriptor::DependencyArrayType& dependent)
+    {
+    }
+
+    ${SanitizedCppName}SystemComponent::${SanitizedCppName}SystemComponent()
+    {
+        if (${SanitizedCppName}Interface::Get() == nullptr)
+        {
+            ${SanitizedCppName}Interface::Register(this);
+        }
+    }
+
+    ${SanitizedCppName}SystemComponent::~${SanitizedCppName}SystemComponent()
+    {
+        if (${SanitizedCppName}Interface::Get() == this)
+        {
+            ${SanitizedCppName}Interface::Unregister(this);
+        }
+    }
+
+    void ${SanitizedCppName}SystemComponent::Init()
+    {
+    }
+
+    void ${SanitizedCppName}SystemComponent::Activate()
+    {
+        ${SanitizedCppName}RequestBus::Handler::BusConnect();
+        AZ::TickBus::Handler::BusConnect();
+    }
+
+    void ${SanitizedCppName}SystemComponent::Deactivate()
+    {
+        AZ::TickBus::Handler::BusDisconnect();
+        ${SanitizedCppName}RequestBus::Handler::BusDisconnect();
+    }
+
+    void ${SanitizedCppName}SystemComponent::OnTick([[maybe_unused]] float deltaTime, [[maybe_unused]] AZ::ScriptTimePoint time)
+    {
+    }
+
+} // namespace ${SanitizedCppName}
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}SystemComponent.h b/Templates/CustomTool/Template/Code/Source/${Name}SystemComponent.h
new file mode 100644
index 0000000000..5495d18e48
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}SystemComponent.h
@@ -0,0 +1,56 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#pragma once
+
+#include <AzCore/Component/Component.h>
+#include <AzCore/Component/TickBus.h>
+#include <${Name}/${Name}Bus.h>
+
+namespace ${SanitizedCppName}
+{
+    class ${SanitizedCppName}SystemComponent
+        : public AZ::Component
+        , protected ${SanitizedCppName}RequestBus::Handler
+        , public AZ::TickBus::Handler
+    {
+    public:
+        AZ_COMPONENT(${SanitizedCppName}SystemComponent, "${SysCompClassId}");
+
+        static void Reflect(AZ::ReflectContext* context);
+
+        static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
+        static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible);
+        static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required);
+        static void GetDependentServices(AZ::ComponentDescriptor::DependencyArrayType& dependent);
+
+        ${SanitizedCppName}SystemComponent();
+        ~${SanitizedCppName}SystemComponent();
+
+    protected:
+        ////////////////////////////////////////////////////////////////////////
+        // ${SanitizedCppName}RequestBus interface implementation
+
+        ////////////////////////////////////////////////////////////////////////
+
+        ////////////////////////////////////////////////////////////////////////
+        // AZ::Component interface implementation
+        void Init() override;
+        void Activate() override;
+        void Deactivate() override;
+        ////////////////////////////////////////////////////////////////////////
+
+        ////////////////////////////////////////////////////////////////////////
+        // AZTickBus interface implementation
+        void OnTick(float deltaTime, AZ::ScriptTimePoint time) override;
+        ////////////////////////////////////////////////////////////////////////
+    };
+
+} // namespace ${SanitizedCppName}
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}Widget.cpp b/Templates/CustomTool/Template/Code/Source/${Name}Widget.cpp
new file mode 100644
index 0000000000..bd6dd6c86a
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}Widget.cpp
@@ -0,0 +1,44 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <AzCore/Utils/Utils.h>
+
+#include <QLabel>
+#include <QVBoxLayout>
+
+#include <${Name}Widget.h>
+
+namespace ${SanitizedCppName}
+{
+    ${SanitizedCppName}Widget::${SanitizedCppName}Widget(QWidget* parent)
+        : QWidget(parent)
+    {
+        setWindowTitle(QObject::tr("${Name}"));
+
+        QVBoxLayout* mainLayout = new QVBoxLayout(this);
+
+        QLabel* introLabel = new QLabel(QObject::tr("Put your cool stuff here!"), this);
+        mainLayout->addWidget(introLabel, 0, Qt::AlignCenter);
+
+        QString helpText = QString(
+            "For help getting started, visit the <a href=\"https://o3de.org/docs/tools-ui/ui-dev-intro/\">UI Development</a> documentation<br/>or come ask a question in the <a href=\"https://discord.gg/R77Wss3kHe\">sig-ui-ux channel</a> on Discord");
+
+        QLabel* helpLabel = new QLabel(this);
+        helpLabel->setTextFormat(Qt::RichText);
+        helpLabel->setText(helpText);
+        helpLabel->setOpenExternalLinks(true);
+
+        mainLayout->addWidget(helpLabel, 0, Qt::AlignCenter);
+
+        setLayout(mainLayout);
+    }
+}
+
+#include <moc_${Name}Widget.cpp>
diff --git a/Templates/CustomTool/Template/Code/Source/${Name}Widget.h b/Templates/CustomTool/Template/Code/Source/${Name}Widget.h
new file mode 100644
index 0000000000..4d0c86d043
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/${Name}Widget.h
@@ -0,0 +1,28 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#pragma once
+
+#if !defined(Q_MOC_RUN)
+#include <AzToolsFramework/API/ToolsApplicationAPI.h>
+
+#include <QWidget>
+#endif
+
+namespace ${SanitizedCppName}
+{
+    class ${SanitizedCppName}Widget
+        : public QWidget
+    {
+        Q_OBJECT
+    public:
+        explicit ${SanitizedCppName}Widget(QWidget* parent = nullptr);
+    };
+} 
diff --git a/Templates/CustomTool/Template/Code/Source/toolbar_icon.svg b/Templates/CustomTool/Template/Code/Source/toolbar_icon.svg
new file mode 100644
index 0000000000..59de66961c
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Source/toolbar_icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#FFFFFF"><g><rect fill="none" height="24" width="24"/><path d="M19,3H5C3.89,3,3,3.9,3,5v14c0,1.1,0.89,2,2,2h14c1.1,0,2-0.9,2-2V5C21,3.9,20.11,3,19,3z M19,19H5V7h14V19z M13.5,13 c0,0.83-0.67,1.5-1.5,1.5s-1.5-0.67-1.5-1.5c0-0.83,0.67-1.5,1.5-1.5S13.5,12.17,13.5,13z M12,9c-2.73,0-5.06,1.66-6,4 c0.94,2.34,3.27,4,6,4s5.06-1.66,6-4C17.06,10.66,14.73,9,12,9z M12,15.5c-1.38,0-2.5-1.12-2.5-2.5c0-1.38,1.12-2.5,2.5-2.5 c1.38,0,2.5,1.12,2.5,2.5C14.5,14.38,13.38,15.5,12,15.5z"/></g></svg>
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Code/Tests/${Name}EditorTest.cpp b/Templates/CustomTool/Template/Code/Tests/${Name}EditorTest.cpp
new file mode 100644
index 0000000000..9b84575fa0
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Tests/${Name}EditorTest.cpp
@@ -0,0 +1,13 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <AzTest/AzTest.h>
+
+AZ_UNIT_TEST_HOOK(DEFAULT_UNIT_TEST_ENV);
diff --git a/Templates/CustomTool/Template/Code/Tests/${Name}Test.cpp b/Templates/CustomTool/Template/Code/Tests/${Name}Test.cpp
new file mode 100644
index 0000000000..9b84575fa0
--- /dev/null
+++ b/Templates/CustomTool/Template/Code/Tests/${Name}Test.cpp
@@ -0,0 +1,13 @@
+// {BEGIN_LICENSE}
+/*
+ * Copyright (c) Contributors to the Open 3D Engine Project.
+ * For complete copyright and license terms please see the LICENSE at the root of this distribution.
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ *
+ */
+// {END_LICENSE}
+
+#include <AzTest/AzTest.h>
+
+AZ_UNIT_TEST_HOOK(DEFAULT_UNIT_TEST_ENV);
diff --git a/Templates/CustomTool/Template/Platform/Android/android_gem.cmake b/Templates/CustomTool/Template/Platform/Android/android_gem.cmake
new file mode 100644
index 0000000000..063b3be9ac
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Android/android_gem.cmake
@@ -0,0 +1,8 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
diff --git a/Templates/CustomTool/Template/Platform/Android/android_gem.json b/Templates/CustomTool/Template/Platform/Android/android_gem.json
new file mode 100644
index 0000000000..23bbb28e66
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Android/android_gem.json
@@ -0,0 +1,3 @@
+{
+    "Tags": ["Android"],
+}
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Platform/Linux/linux_gem.cmake b/Templates/CustomTool/Template/Platform/Linux/linux_gem.cmake
new file mode 100644
index 0000000000..063b3be9ac
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Linux/linux_gem.cmake
@@ -0,0 +1,8 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
diff --git a/Templates/CustomTool/Template/Platform/Linux/linux_gem.json b/Templates/CustomTool/Template/Platform/Linux/linux_gem.json
new file mode 100644
index 0000000000..d08fbf53ba
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Linux/linux_gem.json
@@ -0,0 +1,3 @@
+{
+  "Tags": ["Linux"]
+}
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Platform/Mac/mac_gem.cmake b/Templates/CustomTool/Template/Platform/Mac/mac_gem.cmake
new file mode 100644
index 0000000000..063b3be9ac
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Mac/mac_gem.cmake
@@ -0,0 +1,8 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
diff --git a/Templates/CustomTool/Template/Platform/Mac/mac_gem.json b/Templates/CustomTool/Template/Platform/Mac/mac_gem.json
new file mode 100644
index 0000000000..d42b6f8186
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Mac/mac_gem.json
@@ -0,0 +1,3 @@
+{
+  "Tags": ["Mac"]
+}
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Platform/Windows/windows_gem.cmake b/Templates/CustomTool/Template/Platform/Windows/windows_gem.cmake
new file mode 100644
index 0000000000..063b3be9ac
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Windows/windows_gem.cmake
@@ -0,0 +1,8 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
diff --git a/Templates/CustomTool/Template/Platform/Windows/windows_gem.json b/Templates/CustomTool/Template/Platform/Windows/windows_gem.json
new file mode 100644
index 0000000000..a052f1e05a
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/Windows/windows_gem.json
@@ -0,0 +1,3 @@
+{
+  "Tags": ["Windows"]
+}
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/Platform/iOS/ios_gem.cmake b/Templates/CustomTool/Template/Platform/iOS/ios_gem.cmake
new file mode 100644
index 0000000000..063b3be9ac
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/iOS/ios_gem.cmake
@@ -0,0 +1,8 @@
+# {BEGIN_LICENSE}
+# Copyright (c) Contributors to the Open 3D Engine Project.
+# For complete copyright and license terms please see the LICENSE at the root of this distribution.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+#
+# {END_LICENSE}
+
diff --git a/Templates/CustomTool/Template/Platform/iOS/ios_gem.json b/Templates/CustomTool/Template/Platform/iOS/ios_gem.json
new file mode 100644
index 0000000000..b2dab56d05
--- /dev/null
+++ b/Templates/CustomTool/Template/Platform/iOS/ios_gem.json
@@ -0,0 +1,3 @@
+{
+    "Tags": ["iOS"]
+}
\ No newline at end of file
diff --git a/Templates/CustomTool/Template/gem.json b/Templates/CustomTool/Template/gem.json
new file mode 100644
index 0000000000..518d831e0f
--- /dev/null
+++ b/Templates/CustomTool/Template/gem.json
@@ -0,0 +1,17 @@
+{
+    "gem_name": "${Name}",
+    "display_name": "${Name}",
+    "license": "What license ${Name} uses goes here: i.e. https://opensource.org/licenses/MIT",
+    "origin": "The primary repo for ${Name} goes here: i.e. http://www.mydomain.com",
+    "type": "Code",
+    "summary": "A short description of ${Name}.",
+    "canonical_tags": [
+        "Gem"
+    ],
+    "user_tags": [
+        "${Name}"
+    ],
+    "icon_path": "preview.png",
+    "requirements": "",
+    "restricted_name": "gems"
+}
diff --git a/Templates/CustomTool/Template/preview.png b/Templates/CustomTool/Template/preview.png
new file mode 100644
index 0000000000..0f393ac886
--- /dev/null
+++ b/Templates/CustomTool/Template/preview.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7ac9dd09bde78f389e3725ac49d61eff109857e004840bc0bc3881739df9618d
+size 2217
diff --git a/Templates/CustomTool/template.json b/Templates/CustomTool/template.json
new file mode 100644
index 0000000000..e3221db106
--- /dev/null
+++ b/Templates/CustomTool/template.json
@@ -0,0 +1,382 @@
+{
+    "template_name": "CustomTool",
+    "origin": "The primary repo for CustomTool goes here: i.e. http://www.mydomain.com",
+    "license": "What license CustomTool uses goes here: i.e. https://opensource.org/licenses/MIT",
+    "display_name": "CustomTool",
+    "summary": "A gem template for a custom tool in C++ that gets registered with the Editor.",
+    "canonical_tags": [],
+    "user_tags": [
+        "CustomTool"
+    ],
+    "icon_path": "preview.png",
+    "copyFiles": [
+        {
+            "file": "CMakeLists.txt",
+            "origin": "CMakeLists.txt",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Code/${NameLower}_editor_files.cmake",
+            "origin": "Code/${NameLower}_editor_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/${NameLower}_editor_shared_files.cmake",
+            "origin": "Code/${NameLower}_editor_shared_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/${NameLower}_editor_tests_files.cmake",
+            "origin": "Code/${NameLower}_editor_tests_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/${NameLower}_files.cmake",
+            "origin": "Code/${NameLower}_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/${NameLower}_shared_files.cmake",
+            "origin": "Code/${NameLower}_shared_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/${NameLower}_tests_files.cmake",
+            "origin": "Code/${NameLower}_tests_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/CMakeLists.txt",
+            "origin": "Code/CMakeLists.txt",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Include/${Name}/${Name}Bus.h",
+            "origin": "Code/Include/${Name}/${Name}Bus.h",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Android/${NameLower}_android_files.cmake",
+            "origin": "Code/Platform/Android/${NameLower}_android_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Android/${NameLower}_shared_android_files.cmake",
+            "origin": "Code/Platform/Android/${NameLower}_shared_android_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Android/PAL_android.cmake",
+            "origin": "Code/Platform/Android/PAL_android.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Linux/${NameLower}_linux_files.cmake",
+            "origin": "Code/Platform/Linux/${NameLower}_linux_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Linux/${NameLower}_shared_linux_files.cmake",
+            "origin": "Code/Platform/Linux/${NameLower}_shared_linux_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Linux/PAL_linux.cmake",
+            "origin": "Code/Platform/Linux/PAL_linux.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Mac/${NameLower}_mac_files.cmake",
+            "origin": "Code/Platform/Mac/${NameLower}_mac_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Mac/${NameLower}_shared_mac_files.cmake",
+            "origin": "Code/Platform/Mac/${NameLower}_shared_mac_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Mac/PAL_mac.cmake",
+            "origin": "Code/Platform/Mac/PAL_mac.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Windows/${NameLower}_shared_windows_files.cmake",
+            "origin": "Code/Platform/Windows/${NameLower}_shared_windows_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Windows/${NameLower}_windows_files.cmake",
+            "origin": "Code/Platform/Windows/${NameLower}_windows_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/Windows/PAL_windows.cmake",
+            "origin": "Code/Platform/Windows/PAL_windows.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/iOS/${NameLower}_ios_files.cmake",
+            "origin": "Code/Platform/iOS/${NameLower}_ios_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/iOS/${NameLower}_shared_ios_files.cmake",
+            "origin": "Code/Platform/iOS/${NameLower}_shared_ios_files.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Platform/iOS/PAL_ios.cmake",
+            "origin": "Code/Platform/iOS/PAL_ios.cmake",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}.qrc",
+            "origin": "Code/Source/${Name}.qrc",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}EditorModule.cpp",
+            "origin": "Code/Source/${Name}EditorModule.cpp",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}EditorSystemComponent.cpp",
+            "origin": "Code/Source/${Name}EditorSystemComponent.cpp",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}EditorSystemComponent.h",
+            "origin": "Code/Source/${Name}EditorSystemComponent.h",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}Module.cpp",
+            "origin": "Code/Source/${Name}Module.cpp",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}ModuleInterface.h",
+            "origin": "Code/Source/${Name}ModuleInterface.h",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}SystemComponent.cpp",
+            "origin": "Code/Source/${Name}SystemComponent.cpp",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}SystemComponent.h",
+            "origin": "Code/Source/${Name}SystemComponent.h",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}Widget.cpp",
+            "origin": "Code/Source/${Name}Widget.cpp",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/${Name}Widget.h",
+            "origin": "Code/Source/${Name}Widget.h",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Source/toolbar_icon.svg",
+            "origin": "Code/Source/toolbar_icon.svg",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Tests/${Name}EditorTest.cpp",
+            "origin": "Code/Tests/${Name}EditorTest.cpp",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Code/Tests/${Name}Test.cpp",
+            "origin": "Code/Tests/${Name}Test.cpp",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Android/android_gem.cmake",
+            "origin": "Platform/Android/android_gem.cmake",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Android/android_gem.json",
+            "origin": "Platform/Android/android_gem.json",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Linux/linux_gem.cmake",
+            "origin": "Platform/Linux/linux_gem.cmake",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Linux/linux_gem.json",
+            "origin": "Platform/Linux/linux_gem.json",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Mac/mac_gem.cmake",
+            "origin": "Platform/Mac/mac_gem.cmake",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Mac/mac_gem.json",
+            "origin": "Platform/Mac/mac_gem.json",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Windows/windows_gem.cmake",
+            "origin": "Platform/Windows/windows_gem.cmake",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/Windows/windows_gem.json",
+            "origin": "Platform/Windows/windows_gem.json",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/iOS/ios_gem.cmake",
+            "origin": "Platform/iOS/ios_gem.cmake",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "Platform/iOS/ios_gem.json",
+            "origin": "Platform/iOS/ios_gem.json",
+            "isTemplated": false,
+            "isOptional": false
+        },
+        {
+            "file": "gem.json",
+            "origin": "gem.json",
+            "isTemplated": true,
+            "isOptional": false
+        },
+        {
+            "file": "preview.png",
+            "origin": "preview.png",
+            "isTemplated": false,
+            "isOptional": false
+        }
+    ],
+    "createDirectories": [
+        {
+            "dir": "Assets",
+            "origin": "Assets"
+        },
+        {
+            "dir": "Code",
+            "origin": "Code"
+        },
+        {
+            "dir": "Code/Include",
+            "origin": "Code/Include"
+        },
+        {
+            "dir": "Code/Include/${Name}",
+            "origin": "Code/Include/${Name}"
+        },
+        {
+            "dir": "Code/Platform",
+            "origin": "Code/Platform"
+        },
+        {
+            "dir": "Code/Platform/Android",
+            "origin": "Code/Platform/Android"
+        },
+        {
+            "dir": "Code/Platform/Linux",
+            "origin": "Code/Platform/Linux"
+        },
+        {
+            "dir": "Code/Platform/Mac",
+            "origin": "Code/Platform/Mac"
+        },
+        {
+            "dir": "Code/Platform/Windows",
+            "origin": "Code/Platform/Windows"
+        },
+        {
+            "dir": "Code/Platform/iOS",
+            "origin": "Code/Platform/iOS"
+        },
+        {
+            "dir": "Code/Source",
+            "origin": "Code/Source"
+        },
+        {
+            "dir": "Code/Tests",
+            "origin": "Code/Tests"
+        },
+        {
+            "dir": "Platform",
+            "origin": "Platform"
+        },
+        {
+            "dir": "Platform/Android",
+            "origin": "Platform/Android"
+        },
+        {
+            "dir": "Platform/Linux",
+            "origin": "Platform/Linux"
+        },
+        {
+            "dir": "Platform/Mac",
+            "origin": "Platform/Mac"
+        },
+        {
+            "dir": "Platform/Windows",
+            "origin": "Platform/Windows"
+        },
+        {
+            "dir": "Platform/iOS",
+            "origin": "Platform/iOS"
+        }
+    ]
+}
diff --git a/Templates/DefaultProject/Template/Registry/assets_scan_folders.setreg b/Templates/DefaultProject/Template/Registry/assets_scan_folders.setreg
index a42f65efb4..05f6314da4 100644
--- a/Templates/DefaultProject/Template/Registry/assets_scan_folders.setreg
+++ b/Templates/DefaultProject/Template/Registry/assets_scan_folders.setreg
@@ -1,14 +1,21 @@
 {
-    "Amazon":
-    {
-        "${Name}.Assets":
-        {
-            "SourcePaths":
-            [
-                "Assets",
-                "ShaderLib",
-                "Shaders"
-            ]
+    "Amazon": {
+        "AssetProcessor": {
+            "ScanFolder Project/ShaderLib": {
+                "watch": "@PROJECTROOT@/ShaderLib",
+                "recursive": 1,
+                "order": 1
+            },
+            "ScanFolder Project/Shaders": {
+                "watch": "@PROJECTROOT@/Shaders",
+                "recurisve": 1,
+                "order": 2
+            },
+            "ScanFolder Project/Registry": {
+                "watch": "@PROJECTROOT@/Registry",
+                "recursive": 1,
+                "order": 3
+            }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Templates/MinimalProject/Template/Registry/assets_scan_folders.setreg b/Templates/MinimalProject/Template/Registry/assets_scan_folders.setreg
index a42f65efb4..05f6314da4 100644
--- a/Templates/MinimalProject/Template/Registry/assets_scan_folders.setreg
+++ b/Templates/MinimalProject/Template/Registry/assets_scan_folders.setreg
@@ -1,14 +1,21 @@
 {
-    "Amazon":
-    {
-        "${Name}.Assets":
-        {
-            "SourcePaths":
-            [
-                "Assets",
-                "ShaderLib",
-                "Shaders"
-            ]
+    "Amazon": {
+        "AssetProcessor": {
+            "ScanFolder Project/ShaderLib": {
+                "watch": "@PROJECTROOT@/ShaderLib",
+                "recursive": 1,
+                "order": 1
+            },
+            "ScanFolder Project/Shaders": {
+                "watch": "@PROJECTROOT@/Shaders",
+                "recurisve": 1,
+                "order": 2
+            },
+            "ScanFolder Project/Registry": {
+                "watch": "@PROJECTROOT@/Registry",
+                "recursive": 1,
+                "order": 3
+            }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Tools/LyTestTools/ly_test_tools/o3de/asset_processor.py b/Tools/LyTestTools/ly_test_tools/o3de/asset_processor.py
index 0623715350..682fcd3560 100644
--- a/Tools/LyTestTools/ly_test_tools/o3de/asset_processor.py
+++ b/Tools/LyTestTools/ly_test_tools/o3de/asset_processor.py
@@ -488,6 +488,9 @@ class AssetProcessor(object):
         logger.info(f"Launching AP with command: {command}")
         try:
             self._ap_proc = subprocess.Popen(command, cwd=ap_exe_path, env=process_utils.get_display_env())
+            time.sleep(1)
+            if self._ap_proc.poll() is not None:
+                raise AssetProcessorError(f"AssetProcessor immediately quit with errorcode {self._ap_proc.returncode}")
 
             if accept_input:
                 self.connect_control()
@@ -506,10 +509,11 @@ class AssetProcessor(object):
             logger.exception("Exception while starting Asset Processor", be)
             # clean up to avoid leaking open AP process to future tests
             try:
-                self._ap_proc.kill()
+                if self._ap_proc:
+                    self._ap_proc.kill()
             except Exception as ex:
                 logger.exception("Ignoring exception while trying to terminate Asset Processor", ex)
-            raise  # raise whatever prompted us to clean up
+            raise be  # raise whatever prompted us to clean up
 
     def connect_listen(self, timeout=DEFAULT_TIMEOUT_SECONDS):
         # Wait for the AP we launched to be ready to accept a connection
diff --git a/Tools/LyTestTools/tests/unit/test_asset_processor.py b/Tools/LyTestTools/tests/unit/test_asset_processor.py
index aabbf2f2f5..743ca9a2e4 100755
--- a/Tools/LyTestTools/tests/unit/test_asset_processor.py
+++ b/Tools/LyTestTools/tests/unit/test_asset_processor.py
@@ -45,6 +45,7 @@ class TestAssetProcessor(object):
     @mock.patch('subprocess.Popen')
     @mock.patch('ly_test_tools.o3de.asset_processor.AssetProcessor.connect_socket')
     @mock.patch('ly_test_tools.o3de.asset_processor.ASSET_PROCESSOR_PLATFORM_MAP', {'foo': 'bar'})
+    @mock.patch('time.sleep', mock.MagicMock())
     def test_Start_NoneRunning_ProcStarted(self, mock_connect, mock_popen, mock_workspace):
         mock_ap_path = 'mock_ap_path'
         mock_workspace.asset_processor_platform = 'foo'
@@ -54,6 +55,9 @@ class TestAssetProcessor(object):
         under_test = ly_test_tools.o3de.asset_processor.AssetProcessor(mock_workspace)
         under_test.enable_asset_processor_platform = mock.MagicMock()
         under_test.wait_for_idle = mock.MagicMock()
+        mock_proc_object = mock.MagicMock()
+        mock_proc_object.poll.return_value = None
+        mock_popen.return_value = mock_proc_object
 
         under_test.start(connect_to_ap=True)
 
diff --git a/cmake/3rdParty/Platform/Android/BuiltInPackages_android.cmake b/cmake/3rdParty/Platform/Android/BuiltInPackages_android.cmake
index c1a770d1ff..9dbdbbd8aa 100644
--- a/cmake/3rdParty/Platform/Android/BuiltInPackages_android.cmake
+++ b/cmake/3rdParty/Platform/Android/BuiltInPackages_android.cmake
@@ -16,7 +16,7 @@ ly_associate_package(PACKAGE_NAME zstd-1.35-multiplatform            TARGETS zst
 ly_associate_package(PACKAGE_NAME glad-2.0.0-beta-rev2-multiplatform TARGETS glad      PACKAGE_HASH ff97ee9664e97d0854b52a3734c2289329d9f2b4cd69478df6d0ca1f1c9392ee)
 ly_associate_package(PACKAGE_NAME lux_core-2.2-rev5-multiplatform    TARGETS lux_core  PACKAGE_HASH c8c13cf7bc351643e1abd294d0841b24dee60e51647dff13db7aec396ad1e0b5)
 # platform-specific:
-ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev2-android         TARGETS tiff            PACKAGE_HASH 252b99e5886ec59fdccf38603c1399dd3fc02d878641aba35a7f8d2504065a06)
+ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev4-android         TARGETS TIFF            PACKAGE_HASH 2c62cdf34a8ee6c7eb091d05d98f60b4da7634c74054d4dbb8736886182f4589)
 ly_associate_package(PACKAGE_NAME freetype-2.10.4.16-android         TARGETS freetype        PACKAGE_HASH df9e4d559ea0f03b0666b48c79813b1cd4d9624429148a249865de9f5c2c11cd)
 ly_associate_package(PACKAGE_NAME AWSNativeSDK-1.9.50-rev1-android   TARGETS AWSNativeSDK    PACKAGE_HASH 33771499f9080cbaab613459927e52911e68f94fa356397885e85005efbd1490)
 ly_associate_package(PACKAGE_NAME Lua-5.3.5-rev5-android             TARGETS Lua             PACKAGE_HASH 1f638e94a17a87fe9e588ea456d5893876094b4db191234380e4c4eb9e06c300)
diff --git a/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake b/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake
index 8e4a3ef828..d6fdc5cd9b 100644
--- a/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake
+++ b/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake
@@ -23,7 +23,7 @@ ly_associate_package(PACKAGE_NAME xxhash-0.7.4-rev1-multiplatform
 
 # platform-specific:
 ly_associate_package(PACKAGE_NAME AWSGameLiftServerSDK-3.4.1-rev1-linux             TARGETS AWSGameLiftServerSDK        PACKAGE_HASH a8149a95bd100384af6ade97e2b21a56173740d921e6c3da8188cd51554d39af)
-ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev2-linux                          TARGETS tiff                        PACKAGE_HASH 19791da0a370470a6c187199f97c2c46efcc2d89146e2013775fb3600fd7317d)
+ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev3-linux                          TARGETS TIFF                        PACKAGE_HASH 2377f48b2ebc2d1628d9f65186c881544c92891312abe478a20d10b85877409a)
 ly_associate_package(PACKAGE_NAME freetype-2.10.4.16-linux                          TARGETS freetype                    PACKAGE_HASH 3f10c703d9001ecd2bb51a3bd003d3237c02d8f947ad0161c0252fdc54cbcf97)
 ly_associate_package(PACKAGE_NAME AWSNativeSDK-1.7.167-rev6-linux                   TARGETS AWSNativeSDK                PACKAGE_HASH 490291e4c8057975c3ab86feb971b8a38871c58bac5e5d86abdd1aeb7141eec4)
 ly_associate_package(PACKAGE_NAME Lua-5.3.5-rev5-linux                              TARGETS Lua                         PACKAGE_HASH 1adc812abe3dd0dbb2ca9756f81d8f0e0ba45779ac85bf1d8455b25c531a38b0)
diff --git a/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake b/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake
index 631c42784a..41df718b71 100644
--- a/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake
+++ b/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake
@@ -25,7 +25,7 @@ ly_associate_package(PACKAGE_NAME xxhash-0.7.4-rev1-multiplatform
 # platform-specific:
 ly_associate_package(PACKAGE_NAME DirectXShaderCompilerDxc-1.6.2104-o3de-rev3-mac   TARGETS DirectXShaderCompilerDxc    PACKAGE_HASH 3f77367dbb0342136ec4ebbd44bc1fedf7198089a0f83c5631248530769b2be6)
 ly_associate_package(PACKAGE_NAME SPIRVCross-2021.04.29-rev1-mac                    TARGETS SPIRVCross                  PACKAGE_HASH 78c6376ed2fd195b9b1f5fb2b56e5267a32c3aa21fb399e905308de470eb4515)
-ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev2-mac                            TARGETS tiff                        PACKAGE_HASH b6f3040319f5bfe465d7e3f9b12ceed0dc951e66e05562beaac1c8da3b1b5d3f)
+ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev3-mac                            TARGETS TIFF                        PACKAGE_HASH c2615ccdadcc0e1d6c5ed61e5965c4d3a82193d206591b79b805c3b3ff35a4bf)
 ly_associate_package(PACKAGE_NAME freetype-2.10.4.16-mac                            TARGETS freetype                    PACKAGE_HASH f159b346ac3251fb29cb8dd5f805c99b0015ed7fdb3887f656945ca701a61d0d)
 ly_associate_package(PACKAGE_NAME AWSNativeSDK-1.7.167-rev5-mac                     TARGETS AWSNativeSDK                PACKAGE_HASH ffb890bd9cf23afb429b9214ad9bac1bf04696f07a0ebb93c42058c482ab2f01)
 ly_associate_package(PACKAGE_NAME Lua-5.3.5-rev6-mac                                TARGETS Lua                         PACKAGE_HASH b9079fd35634774c9269028447562c6b712dbc83b9c64975c095fd423ff04c08)
diff --git a/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake b/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake
index 428e5e9526..cccd2591e8 100644
--- a/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake
+++ b/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake
@@ -26,7 +26,7 @@ ly_associate_package(PACKAGE_NAME xxhash-0.7.4-rev1-multiplatform
 ly_associate_package(PACKAGE_NAME AWSGameLiftServerSDK-3.4.1-rev1-windows               TARGETS AWSGameLiftServerSDK        PACKAGE_HASH a0586b006e4def65cc25f388de17dc475e417dc1e6f9d96749777c88aa8271b0)
 ly_associate_package(PACKAGE_NAME DirectXShaderCompilerDxc-1.6.2104-o3de-rev3-windows   TARGETS DirectXShaderCompilerDxc    PACKAGE_HASH 803e10b94006b834cbbdd30f562a8ddf04174c2cb6956c8399ec164ef8418d1f)
 ly_associate_package(PACKAGE_NAME SPIRVCross-2021.04.29-rev1-windows                    TARGETS SPIRVCross                  PACKAGE_HASH 7d601ea9d625b1d509d38bd132a1f433d7e895b16adab76bac6103567a7a6817)
-ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev2-windows                            TARGETS tiff                        PACKAGE_HASH ff03464ca460fc34a8406b2a0c548ad221b10e40480b0abb954f1e649c20bad0)
+ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev3-windows                            TARGETS TIFF                        PACKAGE_HASH c6000a906e6d2a0816b652e93dfbeab41c9ed73cdd5a613acd53e553d0510b60)
 ly_associate_package(PACKAGE_NAME freetype-2.10.4.16-windows                            TARGETS freetype                    PACKAGE_HASH 9809255f1c59b07875097aa8d8c6c21c97c47a31fb35e30f2bb93188e99a85ff)
 ly_associate_package(PACKAGE_NAME AWSNativeSDK-1.7.167-rev4-windows                     TARGETS AWSNativeSDK                PACKAGE_HASH a900e80f7259e43aed5c847afee2599ada37f29db70505481397675bcbb6c76c)
 ly_associate_package(PACKAGE_NAME Lua-5.3.5-rev5-windows                                TARGETS Lua                         PACKAGE_HASH 136faccf1f73891e3fa3b95f908523187792e56f5b92c63c6a6d7e72d1158d40)
diff --git a/cmake/3rdParty/Platform/iOS/BuiltInPackages_ios.cmake b/cmake/3rdParty/Platform/iOS/BuiltInPackages_ios.cmake
index abfba29e5a..8042c888c7 100644
--- a/cmake/3rdParty/Platform/iOS/BuiltInPackages_ios.cmake
+++ b/cmake/3rdParty/Platform/iOS/BuiltInPackages_ios.cmake
@@ -17,7 +17,7 @@ ly_associate_package(PACKAGE_NAME glad-2.0.0-beta-rev2-multiplatform TARGETS gla
 ly_associate_package(PACKAGE_NAME lux_core-2.2-rev5-multiplatform    TARGETS lux_core   PACKAGE_HASH c8c13cf7bc351643e1abd294d0841b24dee60e51647dff13db7aec396ad1e0b5)
 
 # platform-specific:
-ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev2-ios         TARGETS tiff            PACKAGE_HASH d864beb0c955a55f28c2a993843afb2ecf6e01519ddfc857cedf34fc5db68d49)
+ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev3-ios         TARGETS TIFF            PACKAGE_HASH e9067e88649fb6e93a926d9ed38621a9fae360a2e6f6eb24ebca63c1bc7761ea)
 ly_associate_package(PACKAGE_NAME freetype-2.10.4.16-ios         TARGETS freetype        PACKAGE_HASH 3ac3c35e056ae4baec2e40caa023d76a7a3320895ef172b6655e9261b0dc2e29)
 ly_associate_package(PACKAGE_NAME AWSNativeSDK-1.7.167-rev4-ios  TARGETS AWSNativeSDK    PACKAGE_HASH d10e7496ca705577032821011beaf9f2507689f23817bfa0ed4d2a2758afcd02)
 ly_associate_package(PACKAGE_NAME Lua-5.3.5-rev5-ios             TARGETS Lua             PACKAGE_HASH c2d3c4e67046c293049292317a7d60fdb8f23effeea7136aefaef667163e5ffe)
diff --git a/engine.json b/engine.json
index 2b56e255fc..3d522ce175 100644
--- a/engine.json
+++ b/engine.json
@@ -92,6 +92,7 @@
     "templates": [
         "Templates/AssetGem",
         "Templates/DefaultGem",
+        "Templates/CustomTool",
         "Templates/DefaultProject",
         "Templates/MinimalProject"
     ]
diff --git a/scripts/build/bootstrap/incremental_build_util.py b/scripts/build/bootstrap/incremental_build_util.py
index 5c77559085..ff243ab02b 100644
--- a/scripts/build/bootstrap/incremental_build_util.py
+++ b/scripts/build/bootstrap/incremental_build_util.py
@@ -252,6 +252,18 @@ def find_snapshot_id(ec2_client, snapshot_hint, repository_name, project, pipeli
                     snapshot_id = snapshot['SnapshotId']
     return snapshot_id
 
+
+def offline_drive(disk_number=1):
+    """Use diskpart to offline a Windows drive"""
+    with tempfile.NamedTemporaryFile(delete=False) as f:
+        f.write(f"""
+        select disk {disk_number}
+        offline disk
+        """.encode('utf-8'))
+    subprocess.run(['diskpart', '/s', f.name])
+    os.unlink(f.name)
+
+
 def create_volume(ec2_client, availability_zone, snapshot_hint, repository_name, project, pipeline, branch, platform, build_type, disk_size, disk_type):
     # The actual EBS default calculation for IOps is a floating point number, the closest approxmiation is 4x of the disk size for simplicity
     mount_name = get_mount_name(repository_name, project, pipeline, branch, platform, build_type)
@@ -310,23 +322,26 @@ def create_volume(ec2_client, availability_zone, snapshot_hint, repository_name,
 def mount_volume_to_device(created):
     print('Mounting volume...')
     if os.name == 'nt':
-        f = tempfile.NamedTemporaryFile(delete=False)
-        f.write("""
-      select disk 1
-      online disk
-      attribute disk clear readonly
-      """.encode('utf-8'))  # assume disk # for now
+        # Verify drive is in an offline state.
+        # Some Windows configs will automatically set new drives as online causing diskpart setup script to fail.
+        offline_drive()
 
-        if created:
-            print('Creating filesystem on new volume')
-            f.write("""create partition primary
-          select partition 1
-          format quick fs=ntfs
-          assign
-          active
-          """.encode('utf-8'))
+        with tempfile.NamedTemporaryFile(delete=False) as f:
+            f.write("""
+            select disk 1
+            online disk
+            attribute disk clear readonly
+            """.encode('utf-8'))  # assume disk # for now
 
-        f.close()
+            if created:
+                print('Creating filesystem on new volume')
+                f.write("""
+                create partition primary
+                select partition 1
+                format quick fs=ntfs
+                assign
+                active
+                """.encode('utf-8'))
 
         subprocess.call(['diskpart', '/s', f.name])
 
@@ -377,14 +392,7 @@ def unmount_volume_from_device():
     print('Unmounting EBS volume from device...')
     if os.name == 'nt':
         kill_processes(MOUNT_PATH + 'workspace')
-        f = tempfile.NamedTemporaryFile(delete=False)
-        f.write("""
-          select disk 1
-          offline disk
-          """.encode('utf-8'))
-        f.close()
-        subprocess.call('diskpart /s %s' % f.name)
-        os.unlink(f.name)
+        offline_drive()
     else:
         kill_processes(MOUNT_PATH)
         subprocess.call(['umount', '-f', MOUNT_PATH])