Merge branch 'main' into JsonSerializationTypeIdBug

Code/Framework/AzCore/AzCore/Serialization/EditContextConstants.inl

@@ -118,6 +118,7 @@ namespace AZ
             const static AZ::Crc32 StringLineEditingCompleteNotify = AZ_CRC("StringLineEditingCompleteNotify", 0x139e5fa9);
 
             const static AZ::Crc32 NameLabelOverride = AZ_CRC("NameLabelOverride", 0x9ff79cab);
+            const static AZ::Crc32 AssetPickerTitle = AZ_CRC_CE("AssetPickerTitle");
             const static AZ::Crc32 ChildNameLabelOverride = AZ_CRC("ChildNameLabelOverride", 0x73dd2909);
             //! Container attribute that is used to override labels for its elements given the index of the element
             const static AZ::Crc32 IndexedChildNameLabelOverride = AZ_CRC("IndexedChildNameLabelOverride", 0x5f313ac2);

Code/Framework/AzFramework/AzFramework/Physics/Character.h

@@ -78,7 +78,7 @@ namespace Physics
         float m_minimumMovementDistance = 0.001f; //!< To avoid jittering, the controller will not attempt to move distances below this.
         float m_maximumSpeed = 100.0f; //!< If the accumulated requested velocity for a tick exceeds this magnitude, it will be clamped.
         AZStd::string m_colliderTag; //!< Used to identify the collider associated with the character controller.
-        AZStd::shared_ptr<Physics::ShapeConfiguration> m_shapeConfig = nullptr; //!< The shape to use when creating the character controller.
+        AZStd::shared_ptr<Physics::ShapeConfiguration> m_shapeConfig; //!< The shape to use when creating the character controller.
         AZStd::vector<AZStd::shared_ptr<Physics::Shape>> m_colliders; //!< The list of colliders to attach to the character controller.
     };
 

Code/Framework/AzFramework/AzFramework/Physics/Common/PhysicsSimulatedBody.h

@@ -55,7 +55,7 @@ namespace AzPhysics
 
         //! Flag to determine if the body is part of the simulation.
         //! When true the body will be affected by any forces, collisions, and found with scene queries.
-        bool m_simulating = true;
+        bool m_simulating = false;
 
         //! Helper functions for setting user data.
         //! @param userData Can be a pointer to any type as internally will be cast to a void*. Object lifetime not managed by the SimulatedBody.

Code/Framework/AzFramework/AzFramework/Physics/Configuration/SimulatedBodyConfiguration.cpp

@@ -46,6 +46,7 @@ namespace AzPhysics
                 ->Field("orientation", &SimulatedBodyConfiguration::m_orientation)
                 ->Field("scale", &SimulatedBodyConfiguration::m_scale)
                 ->Field("entityId", &SimulatedBodyConfiguration::m_entityId)
+                ->Field("startSimulationEnabled", &SimulatedBodyConfiguration::m_startSimulationEnabled)
                 ;
         }
     }

Code/Framework/AzFramework/AzFramework/Physics/Configuration/SimulatedBodyConfiguration.h

@@ -39,6 +39,7 @@ namespace AzPhysics
         AZ::Vector3 m_position = AZ::Vector3::CreateZero();
         AZ::Quaternion m_orientation = AZ::Quaternion::CreateIdentity();
         AZ::Vector3 m_scale = AZ::Vector3::CreateOne();
+        bool m_startSimulationEnabled = true;
 
         // Entity/object association.
         AZ::EntityId m_entityId = AZ::EntityId(AZ::EntityId::InvalidEntityId);

Code/Framework/AzFramework/AzFramework/Physics/Ragdoll.cpp

@@ -52,6 +52,11 @@ namespace Physics
         }
     }
 
+    RagdollConfiguration::RagdollConfiguration()
+    {
+        m_startSimulationEnabled = false; //ragdolls do not start enabled.
+    }
+
     void RagdollConfiguration::Reflect(AZ::ReflectContext* context)
     {
         AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);

Code/Framework/AzFramework/AzFramework/Physics/Ragdoll.h

@@ -24,6 +24,8 @@
 
 namespace Physics
 {
+    using ParentIndices = AZStd::vector<size_t>;
+
     class RagdollNodeConfiguration
         : public AzPhysics::RigidBodyConfiguration
     {
@@ -46,7 +48,7 @@ namespace Physics
         AZ_RTTI(RagdollConfiguration, "{7C96D332-61D8-4C58-A2BF-707716D38D14}", AzPhysics::SimulatedBodyConfiguration);
         static void Reflect(AZ::ReflectContext* context);
 
-        RagdollConfiguration() = default;
+        RagdollConfiguration();
         explicit RagdollConfiguration(const RagdollConfiguration& settings) = default;
 
         RagdollNodeConfiguration* FindNodeConfigByName(const AZStd::string& nodeName) const;
@@ -56,6 +58,8 @@ namespace Physics
 
         AZStd::vector<RagdollNodeConfiguration> m_nodes;
         CharacterColliderConfiguration m_colliders;
+        RagdollState m_initialState;
+        ParentIndices m_parentIndices;
     };
 
     /// Represents a single rigid part of a ragdoll.
@@ -79,7 +83,7 @@ namespace Physics
     {
     public:
         AZ_CLASS_ALLOCATOR(Ragdoll, AZ::SystemAllocator, 0);
-        AZ_RTTI(Ragdoll, "{01F09602-80EC-4693-A0E7-C2719239044B}", AzPhysics::SimulatedBody);
+        AZ_RTTI(Physics::Ragdoll, "{01F09602-80EC-4693-A0E7-C2719239044B}", AzPhysics::SimulatedBody);
         virtual ~Ragdoll() = default;
 
         /// Inserts the ragdoll into the physics simulation.

Code/Framework/AzFramework/AzFramework/Physics/ShapeConfiguration.cpp

@@ -26,6 +26,22 @@ namespace Physics
                 ->Field("Scale", &ShapeConfiguration::m_scale)
                 ;
         }
+
+        if (auto behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
+        {
+            #define REFLECT_SHAPETYPE_ENUM_VALUE(EnumValue)                                                                                            \
+                behaviorContext->EnumProperty<(int)Physics::ShapeType::EnumValue>("ShapeType_"#EnumValue)                                                      \
+                    ->Attribute(AZ::Script::Attributes::Scope, AZ::Script::Attributes::ScopeFlags::Automation)                                         \
+                    ->Attribute(AZ::Script::Attributes::Module, "physics");
+
+            // Note: Here we only expose the types that are available to the user in the editor
+            REFLECT_SHAPETYPE_ENUM_VALUE(Box);
+            REFLECT_SHAPETYPE_ENUM_VALUE(Sphere);
+            REFLECT_SHAPETYPE_ENUM_VALUE(Cylinder);
+            REFLECT_SHAPETYPE_ENUM_VALUE(PhysicsAsset);
+
+            #undef REFLECT_SHAPETYPE_ENUM_VALUE
+        }
     }
 
     void SphereShapeConfiguration::Reflect(AZ::ReflectContext* context)

Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/ProgressBar.qss

@@ -24,5 +24,5 @@ QProgressBar
 
 QProgressBar::chunk
 {
-    background: #54AFD0;
+    background: #1E70EB;
 }

Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/PushButtonConfig.ini

@@ -13,14 +13,14 @@ Width=24;
 ArrowWidth=10;
 
 [PrimaryColorSet]
-Disabled\Start=#7092A7
-Disabled\End=#7092A7
-Sunken\Start=#0073BB
-Sunken\End=#0073BB
-Hovered\Start=#44BAFF
-Hovered\End=#4AB2F8
+Disabled\Start=#2A4875
+Disabled\End=#2A4875
+Sunken\Start=#1E70EB
+Sunken\End=#1E70EB
+Hovered\Start=#4ABAFF
+Hovered\End=#94D2FF
 Normal\Start=#0095F2
-Normal\End=#0073BB
+Normal\End=#1E70EB
 
 [SecondaryColorSet]
 Disabled\Start=#666666
@@ -42,10 +42,10 @@ Color=#3D000000
 
 [FocusedBorder]
 Thickness=1
-Color=#00A1C9
+Color=#4B8CEF
 
 [IconButton]
-ActiveColor=#00A1C9
+ActiveColor=#1E70EB
 DisabledColor=#999999
 SelectedColor=#FFFFFF
 

Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/SliderConfig.ini

@@ -12,7 +12,7 @@ HandleBorder\Color=#FFFFFF
 HandleBorder\Radius=1.5
 
 [Slider]
-Handle\Color=#0185D7
+Handle\Color=#1E70EB
 Handle\ColorDisabled=#999999
 Handle\Size=12
 Handle\SizeMinusMargin=8

Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/Text.cpp

@@ -46,7 +46,7 @@ namespace AzQtComponents
     Text::Config Text::defaultConfig()
     {
         Config config;
-        config.hyperlinkColor = QStringLiteral("#44B2F8");
+        config.hyperlinkColor = QStringLiteral("#94D2FF");
 
         return config;
     }

Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/TextConfig.ini

@@ -1,2 +1,2 @@
 [Hyperlink]
-Color=#44B2F8
+Color=#94D2FF

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/off-focus.svg

@@ -4,7 +4,7 @@
     <title>Selection Controls / Checkbox / Off</title>
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-Off" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <g id="checkbox-(off)" stroke="#00A1C9">
+        <g id="checkbox-(off)" stroke="#4B8CEF">
             <path d="M14.2222222,0.5 L1.77777778,0.5 C1.07614237,0.5 0.5,1.07614237 0.5,1.77777778 L0.5,14.2222222 C0.5,14.9238576 1.07614237,15.5 1.77777778,15.5 L14.2222222,15.5 C14.9238576,15.5 15.5,14.9238576 15.5,14.2222222 L15.5,1.77777778 C15.5,1.07614237 14.9238576,0.5 14.2222222,0.5 Z" id="Shape"></path>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/on-disabled.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-On---Disabled" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="checkbox-(on)">
-            <path d="M1.77777778,0 C0.8,0 0,0.8 0,1.77777778 L0,14.2222222 C0,15.2 0.8,16 1.77777778,16 L14.2222222,16 C15.2,16 16,15.2 16,14.2222222 L16,1.77777778 C16,0.8 15.2,0 14.2222222,0 L1.77777778,0 Z" id="Shape" fill="#7092A7"></path>
+            <path d="M1.77777778,0 C0.8,0 0,0.8 0,1.77777778 L0,14.2222222 C0,15.2 0.8,16 1.77777778,16 L14.2222222,16 C15.2,16 16,15.2 16,14.2222222 L16,1.77777778 C16,0.8 15.2,0 14.2222222,0 L1.77777778,0 Z" id="Shape" fill="#2A4875"></path>
             <polygon id="Path" fill="#BBBBBB" points="1 8.19230769 2.4 6.84615385 6 10.3076923 13.6 3 15 4.34615385 6 13"></polygon>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/on-focus.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-On-focus" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="checkbox-(on)">
-            <path d="M14.2222222,0.5 L1.77777778,0.5 C1.07614237,0.5 0.5,1.07614237 0.5,1.77777778 L0.5,14.2222222 C0.5,14.9238576 1.07614237,15.5 1.77777778,15.5 L14.2222222,15.5 C14.9238576,15.5 15.5,14.9238576 15.5,14.2222222 L15.5,1.77777778 C15.5,1.07614237 14.9238576,0.5 14.2222222,0.5 Z" id="Shape" stroke="#00A1C9" fill="#0073BB"></path>
+            <path d="M14.2222222,0.5 L1.77777778,0.5 C1.07614237,0.5 0.5,1.07614237 0.5,1.77777778 L0.5,14.2222222 C0.5,14.9238576 1.07614237,15.5 1.77777778,15.5 L14.2222222,15.5 C14.9238576,15.5 15.5,14.9238576 15.5,14.2222222 L15.5,1.77777778 C15.5,1.07614237 14.9238576,0.5 14.2222222,0.5 Z" id="Shape" stroke="#4B8CEF" fill="#1E70EB"></path>
             <polygon id="Path" fill="#FFFFFF" points="1 8.19230769 2.4 6.84615385 6 10.3076923 13.6 3 15 4.34615385 6 13"></polygon>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/on.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-On" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="checkbox-(on)">
-            <path d="M1.77777778,0 C0.8,0 0,0.8 0,1.77777778 L0,14.2222222 C0,15.2 0.8,16 1.77777778,16 L14.2222222,16 C15.2,16 16,15.2 16,14.2222222 L16,1.77777778 C16,0.8 15.2,0 14.2222222,0 L1.77777778,0 Z" id="Shape" fill="#0073BB"></path>
+            <path d="M1.77777778,0 C0.8,0 0,0.8 0,1.77777778 L0,14.2222222 C0,15.2 0.8,16 1.77777778,16 L14.2222222,16 C15.2,16 16,15.2 16,14.2222222 L16,1.77777778 C16,0.8 15.2,0 14.2222222,0 L1.77777778,0 Z" id="Shape" fill="#1E70EB"></path>
             <polygon id="Path" fill="#FFFFFF" points="1 8.19230769 2.4 6.84615385 6 10.3076923 13.6 3 15 4.34615385 6 13"></polygon>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/partial-selected-disabled.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-Partial-Selected" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="Group">
-            <rect id="Rectangle-10" fill="#7092A7" x="0" y="0" width="16" height="16" rx="2"></rect>
+            <rect id="Rectangle-10" fill="#2A4875" x="0" y="0" width="16" height="16" rx="2"></rect>
             <rect id="Rectangle-9" fill="#BBBBBB" x="3" y="7" width="10" height="2"></rect>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/partial-selected-focus.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-Partial-Selected" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="Group">
-            <path d="M14.2222222,0.5 L1.77777778,0.5 C1.07614237,0.5 0.5,1.07614237 0.5,1.77777778 L0.5,14.2222222 C0.5,14.9238576 1.07614237,15.5 1.77777778,15.5 L14.2222222,15.5 C14.9238576,15.5 15.5,14.9238576 15.5,14.2222222 L15.5,1.77777778 C15.5,1.07614237 14.9238576,0.5 14.2222222,0.5 Z" id="Shape" stroke="#00A1C9" fill="#0073BB"></path>
+            <path d="M14.2222222,0.5 L1.77777778,0.5 C1.07614237,0.5 0.5,1.07614237 0.5,1.77777778 L0.5,14.2222222 C0.5,14.9238576 1.07614237,15.5 1.77777778,15.5 L14.2222222,15.5 C14.9238576,15.5 15.5,14.9238576 15.5,14.2222222 L15.5,1.77777778 C15.5,1.07614237 14.9238576,0.5 14.2222222,0.5 Z" id="Shape" stroke="#4B8CEF" fill="#1E70EB"></path>
             <rect id="Rectangle-9" fill="#FFFFFF" x="3" y="7" width="10" height="2"></rect>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/checkbox/partial-selected.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Checkbox-/-Partial-Selected" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="Group">
-            <rect id="Rectangle-10" fill="#0073BB" x="0" y="0" width="16" height="16" rx="2"></rect>
+            <rect id="Rectangle-10" fill="#1E70EB" x="0" y="0" width="16" height="16" rx="2"></rect>
             <rect id="Rectangle-9" fill="#FFFFFF" x="3" y="7" width="10" height="2"></rect>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/radiobutton/checked-disabled.svg

@@ -4,7 +4,7 @@
     <title>Selection Controls / Radio Button / On - Disabled</title>
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Radio-Button-/-On---Disabled" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <circle id="Oval" fill="#7092A7" cx="8" cy="8" r="8"></circle>
+        <circle id="Oval" fill="#2A4875" cx="8" cy="8" r="8"></circle>
         <circle id="Oval" fill="#BBBBBB" cx="8" cy="8" r="4"></circle>
     </g>
 </svg>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/radiobutton/checked-focus.svg

@@ -4,7 +4,7 @@
     <title>Selection Controls / Radio Button / On-focus</title>
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Radio-Button-/-On-focus" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <circle id="Oval" stroke="#00A1C9" fill="#0073BB" cx="9" cy="9" r="8.5"></circle>
+        <circle id="Oval" stroke="#4B8CEF" fill="#1E70EB" cx="9" cy="9" r="8.5"></circle>
         <circle id="Oval" fill="#FFFFFF" cx="9" cy="9" r="4"></circle>
     </g>
 </svg>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/radiobutton/checked.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Radio-Button-/-On" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="radio-button-(on)">
-            <circle id="Oval" fill="#0073BB" cx="8" cy="8" r="8"></circle>
+            <circle id="Oval" fill="#1E70EB" cx="8" cy="8" r="8"></circle>
             <circle id="Oval" fill="#FFFFFF" cx="8" cy="8" r="4"></circle>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/radiobutton/unchecked-focus.svg

@@ -4,7 +4,7 @@
     <title>Selection Controls / Radio Button / Off-focus</title>
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Radio-Button-/-Off-focus" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <g id="radio-button-(off)" transform="translate(1.000000, 1.000000)" stroke="#00A1C9">
+        <g id="radio-button-(off)" transform="translate(1.000000, 1.000000)" stroke="#4B8CEF">
             <circle id="Oval" cx="8" cy="8" r="8.5"></circle>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/toggleswitch/checked-disabled.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Switch-/-On---Disabled" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="switch-(on)">
-            <path d="M25.4117647,16 L6.58823529,16 C2.91764706,16 0,12.4571429 0,8 C0,3.54285714 2.91764706,0 6.58823529,0 L25.4117647,0 C29.0823529,0 32,3.54285714 32,8 C32,12.4571429 29.0823529,16 25.4117647,16 Z" id="track" fill="#7092A7"></path>
+            <path d="M25.4117647,16 L6.58823529,16 C2.91764706,16 0,12.4571429 0,8 C0,3.54285714 2.91764706,0 6.58823529,0 L25.4117647,0 C29.0823529,0 32,3.54285714 32,8 C32,12.4571429 29.0823529,16 25.4117647,16 Z" id="track" fill="#2A4875"></path>
             <circle id="knob" fill="#BBBBBB" cx="24" cy="8" r="6"></circle>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/toggleswitch/checked-focus.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Switch-/-On-focus" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="switch-(on)" transform="translate(1.000000, 1.000000)">
-            <path d="M25.4117647,16.5 L6.58823529,16.5 C2.61773665,16.5 -0.5,12.7141769 -0.5,8 C-0.5,3.28582307 2.61773665,-0.5 6.58823529,-0.5 L25.4117647,-0.5 C29.3822634,-0.5 32.5,3.28582307 32.5,8 C32.5,12.7141769 29.3822634,16.5 25.4117647,16.5 Z" id="track" stroke="#00A1C9" fill="#0073BB"></path>
+            <path d="M25.4117647,16.5 L6.58823529,16.5 C2.61773665,16.5 -0.5,12.7141769 -0.5,8 C-0.5,3.28582307 2.61773665,-0.5 6.58823529,-0.5 L25.4117647,-0.5 C29.3822634,-0.5 32.5,3.28582307 32.5,8 C32.5,12.7141769 29.3822634,16.5 25.4117647,16.5 Z" id="track" stroke="#4B8CEF" fill="#1E70EB"></path>
             <circle id="knob" fill="#FFFFFF" cx="24" cy="8" r="6"></circle>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/toggleswitch/checked.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Switch-/-On" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="switch-(on)">
-            <path d="M25.4117647,16 L6.58823529,16 C2.91764706,16 0,12.4571429 0,8 C0,3.54285714 2.91764706,0 6.58823529,0 L25.4117647,0 C29.0823529,0 32,3.54285714 32,8 C32,12.4571429 29.0823529,16 25.4117647,16 Z" id="track" fill="#0073BB"></path>
+            <path d="M25.4117647,16 L6.58823529,16 C2.91764706,16 0,12.4571429 0,8 C0,3.54285714 2.91764706,0 6.58823529,0 L25.4117647,0 C29.0823529,0 32,3.54285714 32,8 C32,12.4571429 29.0823529,16 25.4117647,16 Z" id="track" fill="#1E70EB"></path>
             <circle id="knob" fill="#FFFFFF" cx="24" cy="8" r="6"></circle>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/UI20/toggleswitch/unchecked-focus.svg

@@ -5,7 +5,7 @@
     <desc>Created with Sketch.</desc>
     <g id="Selection-Controls-/-Switch-/-Off-focus" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
         <g id="switch-(off)" transform="translate(1.000000, 1.000000)">
-            <path d="M25.0231909,16.5 L7.01632718,16.5 C2.97419648,16.5 -0.5,12.6299076 -0.5,8 C-0.5,3.37009242 2.97419648,-0.5 7.01632718,-0.5 L25.0231909,-0.5 C29.0586432,-0.5 32.5,3.36297526 32.5,8 C32.5,12.6370247 29.0586432,16.5 25.0231909,16.5 Z" id="track" stroke="#00A1C9"></path>
+            <path d="M25.0231909,16.5 L7.01632718,16.5 C2.97419648,16.5 -0.5,12.6299076 -0.5,8 C-0.5,3.37009242 2.97419648,-0.5 7.01632718,-0.5 L25.0231909,-0.5 C29.0586432,-0.5 32.5,3.36297526 32.5,8 C32.5,12.6370247 29.0586432,16.5 25.0231909,16.5 Z" id="track" stroke="#4B8CEF"></path>
             <circle id="knob" fill="#FFFFFF" cx="8" cy="8" r="6"></circle>
         </g>
     </g>

Code/Framework/AzQtComponents/AzQtComponents/Components/img/loading.svg

@@ -1,6 +1,6 @@
  <svg version="1.1" class="loader" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
  width="40px" height="40px" viewBox="0 0 50 50" style="enable-background:new 0 0 50 50;" xml:space="preserve">
-  <path fill="#54AFD0" d="M43.935,25.145c0-10.318-8.364-18.683-18.683-18.683c-10.318,0-18.683,8.365-18.683,18.683h4.068c0-8.071,6.543-14.615,14.615-14.615c8.072,0,14.615,6.543,14.615,14.615H43.935z">
+  <path fill="#1E70EB" d="M43.935,25.145c0-10.318-8.364-18.683-18.683-18.683c-10.318,0-18.683,8.365-18.683,18.683h4.068c0-8.071,6.543-14.615,14.615-14.615c8.072,0,14.615,6.543,14.615,14.615H43.935z">
     <animateTransform attributeType="xml"
       attributeName="transform"
       type="rotate"

Code/Framework/AzToolsFramework/AzToolsFramework/API/ToolsApplicationAPI.h

@@ -348,6 +348,11 @@ namespace AzToolsFramework
          */
         virtual bool AreAnyEntitiesSelected() = 0;
 
+        /*!
+         * Returns the number of selected entities.
+         */
+        virtual int GetSelectedEntitiesCount() = 0;
+
         /*!
          * Retrieves the set of selected entities.
          * \return a list of entity Ids.

Code/Framework/AzToolsFramework/AzToolsFramework/Application/ToolsApplication.cpp

@@ -395,6 +395,7 @@ namespace AzToolsFramework
                 ->Event("MarkEntityDeselected", &ToolsApplicationRequests::MarkEntityDeselected)
                 ->Event("IsSelected", &ToolsApplicationRequests::IsSelected)
                 ->Event("AreAnyEntitiesSelected", &ToolsApplicationRequests::AreAnyEntitiesSelected)
+                ->Event("GetSelectedEntitiesCount", &ToolsApplicationRequests::GetSelectedEntitiesCount)
                 ;
 
             behaviorContext->EBus<ToolsApplicationNotificationBus>("ToolsApplicationNotificationBus")

Code/Framework/AzToolsFramework/AzToolsFramework/Application/ToolsApplication.h

@@ -101,6 +101,7 @@ namespace AzToolsFramework
         SourceControlFileInfo GetSceneSourceControlInfo() override;
 
         bool AreAnyEntitiesSelected() override { return !m_selectedEntities.empty(); }
+        int GetSelectedEntitiesCount() override { return m_selectedEntities.size(); }
         const EntityIdList& GetSelectedEntities() override { return m_selectedEntities; }
         const EntityIdList& GetHighlightedEntities() override { return m_highlightedEntities; }
         void SetSelectedEntities(const EntityIdList& selectedEntities) override;

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/FolderThumbnail.cpp

@@ -53,8 +53,8 @@ namespace AzToolsFramework
         static constexpr const char* FolderIconPath = "Editor/Icons/AssetBrowser/Folder_16.svg";
         static constexpr const char* GemIconPath = "Editor/Icons/AssetBrowser/GemFolder_16.svg";
 
-        FolderThumbnail::FolderThumbnail(SharedThumbnailKey key, int thumbnailSize)
-            : Thumbnail(key, thumbnailSize)
+        FolderThumbnail::FolderThumbnail(SharedThumbnailKey key)
+            : Thumbnail(key)
         {}
 
         void FolderThumbnail::LoadThread()
@@ -69,7 +69,8 @@ namespace AzToolsFramework
             AZStd::string absoluteIconPath;
             AZ::StringFunc::Path::Join(engineRoot, folderIcon, absoluteIconPath);
 
-            m_icon = QIcon(absoluteIconPath.c_str());
+            m_pixmap.load(absoluteIconPath.c_str());
+            m_state = m_pixmap.isNull() ? State::Failed : State::Ready;
         }
 
         //////////////////////////////////////////////////////////////////////////

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/FolderThumbnail.h

@@ -47,7 +47,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            FolderThumbnail(SharedThumbnailKey key, int thumbnailSize);
+            FolderThumbnail(SharedThumbnailKey key);
             void LoadThread() override;
         };
 

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/ProductThumbnail.cpp

@@ -57,8 +57,8 @@ namespace AzToolsFramework
         //////////////////////////////////////////////////////////////////////////
         static const char* DEFAULT_PRODUCT_ICON_PATH = "Editor/Icons/AssetBrowser/DefaultProduct_16.svg";
 
-        ProductThumbnail::ProductThumbnail(Thumbnailer::SharedThumbnailKey key, int thumbnailSize)
-            : Thumbnail(key, thumbnailSize)
+        ProductThumbnail::ProductThumbnail(Thumbnailer::SharedThumbnailKey key)
+            : Thumbnail(key)
         {}
 
         void ProductThumbnail::LoadThread() 
@@ -96,12 +96,8 @@ namespace AzToolsFramework
                 iconPath = QString::fromUtf8(DEFAULT_PRODUCT_ICON_PATH);
             }
 
-            m_icon = QIcon(iconPath);
-
-            if (m_icon.isNull())
-            {
-                m_state = State::Failed;
-            }
+            m_pixmap.load(iconPath);
+            m_state = m_pixmap.isNull() ? State::Failed : State::Ready;
         }
 
         //////////////////////////////////////////////////////////////////////////

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/ProductThumbnail.h

@@ -44,7 +44,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            ProductThumbnail(Thumbnailer::SharedThumbnailKey key, int thumbnailSize);
+            ProductThumbnail(Thumbnailer::SharedThumbnailKey key);
 
         protected:
             void LoadThread() override;

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/SourceThumbnail.cpp

@@ -58,8 +58,8 @@ namespace AzToolsFramework
         static constexpr const char* DefaultFileIconPath = "Editor/Icons/AssetBrowser/Default_16.svg";
         QMutex SourceThumbnail::m_mutex;
 
-        SourceThumbnail::SourceThumbnail(SharedThumbnailKey key, int thumbnailSize)
-            : Thumbnail(key, thumbnailSize)
+        SourceThumbnail::SourceThumbnail(SharedThumbnailKey key)
+            : Thumbnail(key)
         {
         }
 
@@ -124,7 +124,8 @@ namespace AzToolsFramework
                 iconPathToUse = iconPath.c_str();
             }
 
-            m_icon = QIcon(iconPathToUse);
+            m_pixmap.load(iconPathToUse);
+            m_state = m_pixmap.isNull() ? State::Failed : State::Ready;
         }
 
         //////////////////////////////////////////////////////////////////////////

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Thumbnails/SourceThumbnail.h

@@ -44,7 +44,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            SourceThumbnail(SharedThumbnailKey key, int thumbnailSize);
+            SourceThumbnail(SharedThumbnailKey key);
 
         protected:
             void LoadThread() override;

Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/Views/EntryDelegate.cpp

@@ -140,7 +140,7 @@ namespace AzToolsFramework
             else
             {
                 // Scaling and centering pixmap within bounds to preserve aspect ratio
-                const QPixmap pixmap = thumbnail->GetPixmap(size).scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+                const QPixmap pixmap = thumbnail->GetPixmap().scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
                 const QSize sizeDelta = size - pixmap.size();
                 const QPoint pointDelta = QPoint(sizeDelta.width() / 2, sizeDelta.height() / 2);
                 painter->drawPixmap(point + pointDelta, pixmap);

Code/Framework/AzToolsFramework/AzToolsFramework/Entity/PrefabEditorEntityOwnershipService.cpp

@@ -242,19 +242,6 @@ namespace AzToolsFramework
                 return false;
             }
         }
-        else  
-        {
-            // The template is already loaded, this is the case of either saving as same name or different name(loaded from before).
-            // Update the template with the changes
-            AzToolsFramework::Prefab::PrefabDom dom;
-            bool success = AzToolsFramework::Prefab::PrefabDomUtils::StoreInstanceInPrefabDom(*m_rootInstance, dom);
-            if (!success)
-            {
-                AZ_Error("Prefab", false, "Failed to convert current root instance into a DOM when saving file '%.*s'", AZ_STRING_ARG(filename));
-                return false;
-            }
-            m_prefabSystemComponent->UpdatePrefabTemplate(templateId, dom);
-        }
 
         Prefab::TemplateId prevTemplateId = m_rootInstance->GetTemplateId();
         m_rootInstance->SetTemplateId(templateId);

Code/Framework/AzToolsFramework/AzToolsFramework/MaterialBrowser/MaterialBrowserComponent.cpp

@@ -36,8 +36,7 @@ namespace AzToolsFramework
             using namespace Thumbnailer;
             using namespace AssetBrowser;
             const char* contextName = "MaterialBrowser";
-            int thumbnailSize = qApp->style()->pixelMetric(QStyle::PM_SmallIconSize);
-            ThumbnailerRequestsBus::Broadcast(&ThumbnailerRequests::RegisterContext, contextName, thumbnailSize);
+            ThumbnailerRequestsBus::Broadcast(&ThumbnailerRequests::RegisterContext, contextName);
             ThumbnailerRequestsBus::Broadcast(&ThumbnailerRequests::RegisterThumbnailProvider, MAKE_TCACHE(FolderThumbnailCache), contextName);
             ThumbnailerRequestsBus::Broadcast(&ThumbnailerRequests::RegisterThumbnailProvider, MAKE_TCACHE(SourceThumbnailCache), contextName);
             ThumbnailerRequestsBus::Broadcast(&ThumbnailerRequests::RegisterThumbnailProvider, MAKE_TCACHE(MaterialThumbnailCache), contextName);

Code/Framework/AzToolsFramework/AzToolsFramework/MaterialBrowser/MaterialThumbnail.cpp

@@ -24,8 +24,8 @@ namespace AzToolsFramework
         //////////////////////////////////////////////////////////////////////////
         // MaterialThumbnail
         //////////////////////////////////////////////////////////////////////////
-        MaterialThumbnail::MaterialThumbnail(Thumbnailer::SharedThumbnailKey key, int thumbnailSize)
-            : Thumbnail(key, thumbnailSize)
+        MaterialThumbnail::MaterialThumbnail(Thumbnailer::SharedThumbnailKey key)
+            : Thumbnail(key)
         {
             auto productKey = azrtti_cast<const AzToolsFramework::AssetBrowser::ProductThumbnailKey*>(m_key.data());
             AZ_Assert(productKey, "Incorrect key type, excpected ProductThumbnailKey");
@@ -34,7 +34,8 @@ namespace AzToolsFramework
             MaterialBrowserRequestBus::BroadcastResult(multiMat, &MaterialBrowserRequests::IsMultiMaterial, productKey->GetAssetId());
 
             QString iconPath = multiMat ? MultiMaterialIconPath : SimpleMaterialIconPath;
-            m_pixmap = QPixmap(iconPath).scaled(m_thumbnailSize, m_thumbnailSize, Qt::KeepAspectRatio);
+            m_pixmap.load(iconPath);
+            m_state = m_pixmap.isNull() ? State::Failed : State::Ready;
         }
 
         //////////////////////////////////////////////////////////////////////////

Code/Framework/AzToolsFramework/AzToolsFramework/MaterialBrowser/MaterialThumbnail.h

@@ -28,7 +28,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            MaterialThumbnail(Thumbnailer::SharedThumbnailKey key, int thumbnailSize);
+            MaterialThumbnail(Thumbnailer::SharedThumbnailKey key);
         };
 
         namespace

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/EditorPrefabComponent.cpp

@@ -16,7 +16,6 @@
 #include <AzCore/Serialization/EditContext.h>
 #include <AzToolsFramework/Prefab/PrefabPublicInterface.h>
 #include <AzToolsFramework/UI/EditorEntityUi/EditorEntityUiInterface.h>
-#include <AzToolsFramework/UI/Outliner/EntityOutlinerWidgetInterface.h>
 #include <AzToolsFramework/UI/Prefab/PrefabIntegrationBus.h>
 
 namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/Instance/InstanceSerializer.cpp

@@ -200,7 +200,7 @@ namespace AzToolsFramework
             }
 
             return context.Report(result,
-                result.GetProcessing() == JSR::Processing::Completed ? "Succesfully loaded instance information for prefab." :
+                result.GetProcessing() == JSR::Processing::Completed ? "Successfully loaded instance information for prefab." :
                 "Failed to load instance information for prefab");
         }
 

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/Instance/InstanceUpdateExecutor.cpp

@@ -21,9 +21,9 @@
 #include <AzToolsFramework/Prefab/Instance/TemplateInstanceMapperInterface.h>
 #include <AzToolsFramework/Prefab/PrefabDomUtils.h>
 #include <AzToolsFramework/Prefab/PrefabPublicInterface.h>
+#include <AzToolsFramework/Prefab/PrefabPublicNotificationBus.h>
 #include <AzToolsFramework/Prefab/PrefabSystemComponentInterface.h>
 #include <AzToolsFramework/Prefab/Template/Template.h>
-#include <AzToolsFramework/UI/Outliner/EntityOutlinerWidgetInterface.h>
 
 namespace AzToolsFramework
 {
@@ -90,17 +90,13 @@ namespace AzToolsFramework
 
                 if (instanceCountToUpdateInBatch > 0)
                 {
+                    // Notify Propagation has begun
+                    PrefabPublicNotificationBus::Broadcast(&PrefabPublicNotifications::OnPrefabInstancePropagationBegin);
+
                     EntityIdList selectedEntityIds;
                     ToolsApplicationRequestBus::BroadcastResult(selectedEntityIds, &ToolsApplicationRequests::GetSelectedEntities);
                     ToolsApplicationRequestBus::Broadcast(&ToolsApplicationRequests::SetSelectedEntities, EntityIdList());
 
-                    // Disable the Outliner to avoid showing the propagation steps
-                    EntityOutlinerWidgetInterface* entityOutlinerWidgetInterface = AZ::Interface<EntityOutlinerWidgetInterface>::Get();
-                    if (entityOutlinerWidgetInterface)
-                    {
-                        entityOutlinerWidgetInterface->SetUpdatesEnabled(false);
-                    }
-
                     for (int i = 0; i < instanceCountToUpdateInBatch; ++i)
                     {
                         Instance* instanceToUpdate = m_instancesUpdateQueue.front();
@@ -168,18 +164,8 @@ namespace AzToolsFramework
                     }
                     ToolsApplicationRequestBus::Broadcast(&ToolsApplicationRequests::SetSelectedEntities, selectedEntityIds);
 
-                    // Enable the Outliner
-                    if (entityOutlinerWidgetInterface)
-                    {
-                        entityOutlinerWidgetInterface->SetUpdatesEnabled(true);
-
-                        auto prefabPublicInterface = AZ::Interface<PrefabPublicInterface>::Get();
-                        if (prefabPublicInterface)
-                        {
-                            AZ::EntityId rootEntityId = prefabPublicInterface->GetLevelInstanceContainerEntityId();
-                            entityOutlinerWidgetInterface->ExpandEntityChildren(rootEntityId);
-                        }
-                    }
+                    // Notify Propagation has ended
+                    PrefabPublicNotificationBus::Broadcast(&PrefabPublicNotifications::OnPrefabInstancePropagationEnd);
                 }
 
                 m_updatingTemplateInstancesInQueue = false;

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/Link/Link.cpp

@@ -230,6 +230,10 @@ namespace AzToolsFramework
                 AZ_Assert(instanceDom.IsObject(), "Link Id '%u' cannot be added because the DOM of the instance is not an object.", m_id);
                 instanceDom.AddMember(rapidjson::StringRef(PrefabDomUtils::LinkIdName), rapidjson::Value().SetUint64(m_id), allocator);
             }
+            else
+            {
+                linkIdReference->get().SetUint64(m_id);
+            }
         }
 
     } // namespace Prefab

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp

@@ -392,12 +392,27 @@ namespace AzToolsFramework
 
                     if (patch.IsArray() && !patch.Empty() && beforeState.IsObject())
                     {
-                        // Update the state of the entity
-                        PrefabUndoEntityUpdate* state = aznew PrefabUndoEntityUpdate(AZStd::to_string(static_cast<AZ::u64>(entityId)));
-                        state->SetParent(parentUndoBatch);
-                        state->Capture(beforeState, afterState, entityId);
+                        if (IsInstanceContainerEntity(entityId) && !IsLevelInstanceContainerEntity(entityId))
+                        {
+                            m_instanceToTemplateInterface->AppendEntityAliasToPatchPaths(patch, entityId);
 
-                        state->Redo();
+                            // Save these changes as patches to the link
+                            PrefabUndoLinkUpdate* linkUpdate =
+                                aznew PrefabUndoLinkUpdate(AZStd::to_string(static_cast<AZ::u64>(entityId)));
+                            linkUpdate->SetParent(parentUndoBatch);
+                            linkUpdate->Capture(patch, owningInstance->get().GetLinkId());
+
+                            linkUpdate->Redo();
+                        }
+                        else
+                        {
+                            // Update the state of the entity
+                            PrefabUndoEntityUpdate* state = aznew PrefabUndoEntityUpdate(AZStd::to_string(static_cast<AZ::u64>(entityId)));
+                            state->SetParent(parentUndoBatch);
+                            state->Capture(beforeState, afterState, entityId);
+
+                            state->Redo();
+                        }
                     }
 
                     // Update the cache

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicNotificationBus.h

@@ -0,0 +1,34 @@
+/*
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
+
+#pragma once
+
+#include <AzCore/EBus/EBus.h>
+
+namespace AzToolsFramework
+{
+    namespace Prefab
+    {
+        class PrefabPublicNotifications
+            : public AZ::EBusTraits
+        {
+        public:
+            virtual ~PrefabPublicNotifications() = default;
+
+            virtual void OnPrefabInstancePropagationBegin() {}
+            virtual void OnPrefabInstancePropagationEnd() {}
+        };
+
+        using PrefabPublicNotificationBus = AZ::EBus<PrefabPublicNotifications>;
+
+    } // namespace Prefab
+} // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/LoadingThumbnail.cpp

@@ -18,13 +18,15 @@ namespace AzToolsFramework
 {
     namespace Thumbnailer
     {
+        static constexpr const int LoadingThumbnailSize = 128;
+
         //////////////////////////////////////////////////////////////////////////
         // LoadingThumbnail
         //////////////////////////////////////////////////////////////////////////
         static const char* LoadingIconPath = "Editor/Icons/AssetBrowser/in_progress.gif";
 
-        LoadingThumbnail::LoadingThumbnail(int thumbnailSize)
-            : Thumbnail(MAKE_TKEY(ThumbnailKey), thumbnailSize)
+        LoadingThumbnail::LoadingThumbnail()
+            : Thumbnail(MAKE_TKEY(ThumbnailKey))
             , m_angle(0)
         {
             const char* engineRoot = nullptr;
@@ -34,7 +36,7 @@ namespace AzToolsFramework
             AZ::StringFunc::Path::Join(engineRoot, LoadingIconPath, iconPath);
             m_loadingMovie.setFileName(iconPath.c_str());
             m_loadingMovie.setCacheMode(QMovie::CacheMode::CacheAll);
-            m_loadingMovie.setScaledSize(QSize(m_thumbnailSize, m_thumbnailSize));
+            m_loadingMovie.setScaledSize(QSize(LoadingThumbnailSize, LoadingThumbnailSize));
             m_loadingMovie.start();
             m_pixmap = m_loadingMovie.currentPixmap();
             m_state = State::Ready;

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/LoadingThumbnail.h

@@ -29,7 +29,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            explicit LoadingThumbnail(int thumbnailSize);
+            LoadingThumbnail();
             ~LoadingThumbnail() override;
 
             void UpdateTime(float /*deltaTime*/) override;

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/MissingThumbnail.cpp

@@ -18,11 +18,11 @@ namespace AzToolsFramework
     {
         static const char* MISSING_ICON_PATH = "Editor/Icons/AssetBrowser/Default_16.svg";
 
-        MissingThumbnail::MissingThumbnail(int thumbnailSize)
-            : Thumbnail(MAKE_TKEY(ThumbnailKey), thumbnailSize)
+        MissingThumbnail::MissingThumbnail()
+            : Thumbnail(MAKE_TKEY(ThumbnailKey))
         {
-            m_icon = QIcon(MISSING_ICON_PATH);
-            m_state = State::Ready;
+            m_pixmap.load(MISSING_ICON_PATH);
+            m_state = m_pixmap.isNull() ? State::Failed : State::Ready;
         }
 
     } // namespace Thumbnailer

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/MissingThumbnail.h

@@ -24,7 +24,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            explicit MissingThumbnail(int thumbnailSize);
+            MissingThumbnail();
         };
     } // namespace Thumbnailer
 } // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/SourceControlThumbnail.cpp

@@ -69,8 +69,8 @@ namespace AzToolsFramework
 
         bool SourceControlThumbnail::m_readyForUpdate = true;
 
-        SourceControlThumbnail::SourceControlThumbnail(SharedThumbnailKey key, int thumbnailSize)
-            : Thumbnail(key, thumbnailSize)
+        SourceControlThumbnail::SourceControlThumbnail(SharedThumbnailKey key)
+            : Thumbnail(key)
         {
             const char* engineRoot = nullptr;
             AzFramework::ApplicationRequests::Bus::BroadcastResult(engineRoot, &AzFramework::ApplicationRequests::GetEngineRoot);
@@ -122,16 +122,16 @@ namespace AzToolsFramework
             {
                 if (fileInfo.HasFlag(AzToolsFramework::SCF_Writeable))
                 {
-                    m_icon = QIcon(m_writableIconPath.c_str());
+                    m_pixmap.load(m_writableIconPath.c_str());
                 }
                 else
                 {
-                    m_icon = QIcon(m_nonWritableIconPath.c_str());
+                    m_pixmap.load(m_nonWritableIconPath.c_str());
                 }
             }
             else
             {
-                m_icon = QIcon();
+                m_pixmap = QPixmap();
             }
             m_readyForUpdate = true;
             emit Updated();

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/SourceControlThumbnail.h

@@ -55,7 +55,7 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            SourceControlThumbnail(SharedThumbnailKey key, int thumbnailSize);
+            SourceControlThumbnail(SharedThumbnailKey key);
             ~SourceControlThumbnail() override;
 
             //////////////////////////////////////////////////////////////////////////

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/Thumbnail.cpp

@@ -24,8 +24,6 @@ namespace AzToolsFramework
 {
     namespace Thumbnailer
     {
-        static const int DefaultIconSize = 16;
-
         //////////////////////////////////////////////////////////////////////////
         // ThumbnailKey
         //////////////////////////////////////////////////////////////////////////
@@ -54,10 +52,9 @@ namespace AzToolsFramework
         //////////////////////////////////////////////////////////////////////////
         // Thumbnail
         //////////////////////////////////////////////////////////////////////////
-        Thumbnail::Thumbnail(SharedThumbnailKey key, int thumbnailSize)
+        Thumbnail::Thumbnail(SharedThumbnailKey key)
             : QObject()
             , m_state(State::Unloaded)
-            , m_thumbnailSize(thumbnailSize)
             , m_key(key)
         {
             connect(&m_watcher, &QFutureWatcher<void>::finished, this, [this]()
@@ -91,19 +88,9 @@ namespace AzToolsFramework
             }
         }
 
-        QPixmap Thumbnail::GetPixmap() const
+        const QPixmap& Thumbnail::GetPixmap() const
         {
-            return GetPixmap(QSize(DefaultIconSize, DefaultIconSize));
-        }
-
-        QPixmap Thumbnail::GetPixmap(const QSize& size) const
-        {
-            if (m_icon.isNull())
-            {
-                return m_pixmap;
-            }
-
-            return m_icon.pixmap(size);
+            return m_pixmap;
         }
 
         SharedThumbnailKey Thumbnail::GetKey() const

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/Thumbnail.h

@@ -19,7 +19,6 @@ AZ_PUSH_DISABLE_WARNING(4127 4251 4800, "-Wunknown-warning-option") // 4127: con
                                                                     // 4800: 'int': forcing value to bool 'true' or 'false' (performance warning)
 #include <QObject>
 #include <QPixmap>
-#include <QIcon>
 #include <QFutureWatcher>
 AZ_POP_DISABLE_WARNING
 #endif
@@ -86,12 +85,11 @@ namespace AzToolsFramework
                 Failed
             };
 
-            Thumbnail(SharedThumbnailKey key, int thumbnailSize);
+            Thumbnail(SharedThumbnailKey key);
             ~Thumbnail() override;
             bool operator == (const Thumbnail& other) const;
             void Load();
-            virtual QPixmap GetPixmap() const;
-            virtual QPixmap GetPixmap(const QSize& size) const;
+            const QPixmap& GetPixmap() const;
             virtual void UpdateTime(float /*deltaTime*/) {}
             SharedThumbnailKey GetKey() const;
             State GetState() const;
@@ -105,10 +103,8 @@ namespace AzToolsFramework
         protected:
             QFutureWatcher<void> m_watcher;
             State m_state;
-            int m_thumbnailSize;
             SharedThumbnailKey m_key;
             QPixmap m_pixmap;
-            QIcon m_icon;
 
             virtual void LoadThread() {}
         };
@@ -122,7 +118,6 @@ namespace AzToolsFramework
             ThumbnailProvider() = default;
             virtual ~ThumbnailProvider() = default;
             virtual bool GetThumbnail(SharedThumbnailKey key, SharedThumbnail& thumbnail) = 0;
-            virtual void SetThumbnailSize(int thumbnailSize) = 0;
             //! Priority identifies ThumbnailProvider order in ThumbnailContext
             //! Higher priority means this ThumbnailProvider will take precedence in generating a thumbnail when
             //! a supplied ThumbnailKey is supported by multiple providers.
@@ -185,10 +180,7 @@ namespace AzToolsFramework
 
             bool GetThumbnail(SharedThumbnailKey key, SharedThumbnail& thumbnail) override;
 
-            void SetThumbnailSize(int thumbnailSize) override;
-
         protected:
-            int m_thumbnailSize;
             AZStd::unordered_map<SharedThumbnailKey, SharedThumbnail, Hasher, EqualKey> m_cache;
 
             //! Check if thumbnail key is handled by this provider, overload in derived class

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/Thumbnail.inl

@@ -18,7 +18,6 @@ namespace AzToolsFramework
     {
         template <class ThumbnailType, class Hasher, class EqualKey>
         ThumbnailCache<ThumbnailType, Hasher, EqualKey>::ThumbnailCache()
-            : m_thumbnailSize(0)
         {
             BusConnect();
         }
@@ -49,17 +48,11 @@ namespace AzToolsFramework
             }
             if (IsSupportedThumbnail(key))
             {
-                thumbnail = QSharedPointer<ThumbnailType>(new ThumbnailType(key, m_thumbnailSize));
+                thumbnail = QSharedPointer<ThumbnailType>(new ThumbnailType(key));
                 m_cache[key] = thumbnail;
                 return true;
             }
             return false;
         }
-
-        template <class ThumbnailType, class Hasher, class EqualKey>
-        void ThumbnailCache<ThumbnailType, Hasher, EqualKey>::SetThumbnailSize(int thumbnailSize)
-        {
-            m_thumbnailSize = thumbnailSize;
-        }
     } // namespace Thumbnailer
 } // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/ThumbnailContext.cpp

@@ -24,10 +24,9 @@ namespace AzToolsFramework
 {
     namespace Thumbnailer
     {
-        ThumbnailContext::ThumbnailContext(int thumbnailSize)
-            : m_missingThumbnail(new MissingThumbnail(thumbnailSize))
-            , m_loadingThumbnail(new LoadingThumbnail(thumbnailSize))
-            , m_thumbnailSize(thumbnailSize)
+        ThumbnailContext::ThumbnailContext()
+            : m_missingThumbnail(new MissingThumbnail())
+            , m_loadingThumbnail(new LoadingThumbnail())
             , m_threadPool(this)
         {
             ThumbnailContextRequestBus::Handler::BusConnect();
@@ -120,7 +119,6 @@ namespace AzToolsFramework
                 return;
             }
 
-            providerToAdd->SetThumbnailSize(m_thumbnailSize);
             m_providers.insert(providerToAdd);
         }
 

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/ThumbnailContext.h

@@ -45,9 +45,9 @@ namespace AzToolsFramework
         {
             Q_OBJECT
         public:
-            AZ_CLASS_ALLOCATOR(ThumbnailContext, AZ::SystemAllocator, 0)
+            AZ_CLASS_ALLOCATOR(ThumbnailContext, AZ::SystemAllocator, 0);
 
-            explicit ThumbnailContext(int thumbnailSize);
+            ThumbnailContext();
             ~ThumbnailContext() override;
 
             //! Is the thumbnail currently loading or is about to load.
@@ -82,8 +82,6 @@ namespace AzToolsFramework
             SharedThumbnail m_missingThumbnail;
             //! Default loading thumbnail used when thumbnail is found by is not yet generated
             SharedThumbnail m_loadingThumbnail;
-            //! Thumbnail size (width and height in pixels)
-            int m_thumbnailSize;
             //! There is only a limited number of threads on global threadPool, because there can be many thumbnails rendering at once
             //! an individual threadPool is needed to avoid deadlocks
             QThreadPool m_threadPool;

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/ThumbnailerBus.h

@@ -40,7 +40,7 @@ namespace AzToolsFramework
         {
         public:
             //! Add thumbnail context
-            virtual void RegisterContext(const char* contextName, int thumbnailSize) = 0;
+            virtual void RegisterContext(const char* contextName) = 0;
 
             //! Remove thumbnail context and all associated ThumbnailProviders
             virtual void UnregisterContext(const char* contextName) = 0;

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/ThumbnailerComponent.cpp

@@ -32,8 +32,7 @@ namespace AzToolsFramework
 
         void ThumbnailerComponent::Activate()
         {
-            int thumbnailSize = qApp->style()->pixelMetric(QStyle::PM_SmallIconSize);
-            RegisterContext(ThumbnailContext::DefaultContext, thumbnailSize);
+            RegisterContext(ThumbnailContext::DefaultContext);
             BusConnect();
         }
 
@@ -62,10 +61,10 @@ namespace AzToolsFramework
             provided.push_back(AZ_CRC("ThumbnailerService", 0x65422b97));
         }
 
-        void ThumbnailerComponent::RegisterContext(const char* contextName, int thumbnailSize)
+        void ThumbnailerComponent::RegisterContext(const char* contextName)
         {
             AZ_Assert(m_thumbnails.find(contextName) == m_thumbnails.end(), "Context %s already registered", contextName);
-            m_thumbnails[contextName] = AZStd::make_shared<ThumbnailContext>(thumbnailSize);
+            m_thumbnails[contextName] = AZStd::make_shared<ThumbnailContext>();
         }
 
         void ThumbnailerComponent::UnregisterContext(const char* contextName)

Code/Framework/AzToolsFramework/AzToolsFramework/Thumbnails/ThumbnailerComponent.h

@@ -43,7 +43,7 @@ namespace AzToolsFramework
             //////////////////////////////////////////////////////////////////////////
             // ThumbnailerRequests
             //////////////////////////////////////////////////////////////////////////
-            void RegisterContext(const char* contextName, int thumbnailSize) override;
+            void RegisterContext(const char* contextName) override;
             void UnregisterContext(const char* contextName) override;
             bool HasContext(const char* contextName) const override;
             void RegisterThumbnailProvider(SharedThumbnailProvider provider, const char* contextName) override;

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidget.cpp

@@ -286,12 +286,12 @@ namespace AzToolsFramework
         ComponentModeFramework::EditorComponentModeNotificationBus::Handler::BusConnect(
             GetEntityContextId());
         EditorEntityInfoNotificationBus::Handler::BusConnect();
-        AZ::Interface<EntityOutlinerWidgetInterface>::Register(this);
+        Prefab::PrefabPublicNotificationBus::Handler::BusConnect();
     }
 
     EntityOutlinerWidget::~EntityOutlinerWidget()
     {
-        AZ::Interface<EntityOutlinerWidgetInterface>::Unregister(this);
+        Prefab::PrefabPublicNotificationBus::Handler::BusDisconnect();
         ComponentModeFramework::EditorComponentModeNotificationBus::Handler::BusDisconnect();
         EditorEntityInfoNotificationBus::Handler::BusDisconnect();
         EditorPickModeNotificationBus::Handler::BusDisconnect();
@@ -1109,25 +1109,18 @@ namespace AzToolsFramework
         setEnabled(true);
         SetEntityOutlinerState(m_gui, true);
     }
-    
-    void EntityOutlinerWidget::SetUpdatesEnabled(bool enable)
+
+    void EntityOutlinerWidget::OnPrefabInstancePropagationBegin()
     {
-        if (enable)
-        {
-            QTimer::singleShot(1, this, [this]() {
-                m_gui->m_objectTree->setUpdatesEnabled(true);
-            });
-        }
-        else
-        {
-            m_gui->m_objectTree->setUpdatesEnabled(false);
-        }
+        m_gui->m_objectTree->setUpdatesEnabled(false);
     }
 
-    void EntityOutlinerWidget::ExpandEntityChildren(AZ::EntityId entityId)
+    void EntityOutlinerWidget::OnPrefabInstancePropagationEnd()
     {
-        QModelIndex index = GetIndexFromEntityId(entityId);
-        m_gui->m_objectTree->expand(index);
+        QTimer::singleShot(1, this, [this]() {
+            m_gui->m_objectTree->setUpdatesEnabled(true);
+            m_gui->m_objectTree->expand(m_proxyModel->index(0,0));
+        });
     }
 
     void EntityOutlinerWidget::OnEntityInfoUpdatedAddChildEnd(AZ::EntityId /*parentId*/, AZ::EntityId childId)

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidget.hxx

@@ -20,10 +20,10 @@
 #include <AzToolsFramework/ComponentMode/EditorComponentModeBus.h>
 #include <AzToolsFramework/Entity/EditorEntityInfoBus.h>
 #include <AzToolsFramework/Entity/EditorEntityContextBus.h>
+#include <AzToolsFramework/Prefab/PrefabPublicNotificationBus.h>
 #include <AzToolsFramework/ToolsMessaging/EntityHighlightBus.h>
 #include <AzToolsFramework/UI/Outliner/EntityOutlinerCacheBus.h>
 #include <AzToolsFramework/UI/Outliner/EntityOutlinerSearchWidget.h>
-#include <AzToolsFramework/UI/Outliner/EntityOutlinerWidgetInterface.h>
 #include <AzToolsFramework/UI/SearchWidget/SearchWidgetTypes.hxx>
 
 #include <QIcon>
@@ -62,7 +62,7 @@ namespace AzToolsFramework
         , private EditorEntityContextNotificationBus::Handler
         , private EditorEntityInfoNotificationBus::Handler
         , private ComponentModeFramework::EditorComponentModeNotificationBus::Handler
-        , private EntityOutlinerWidgetInterface
+        , private Prefab::PrefabPublicNotificationBus::Handler
     {
         Q_OBJECT;
     public:
@@ -106,9 +106,9 @@ namespace AzToolsFramework
         void EnteredComponentMode(const AZStd::vector<AZ::Uuid>& componentModeTypes) override;
         void LeftComponentMode(const AZStd::vector<AZ::Uuid>& componentModeTypes) override;
 
-        // EntityOutlinerWidgetInterface
-        void SetUpdatesEnabled(bool enable) override;
-        void ExpandEntityChildren(AZ::EntityId entityId) override;
+        // PrefabPublicNotificationBus
+        void OnPrefabInstancePropagationBegin() override;
+        void OnPrefabInstancePropagationEnd() override;
 
         // Build a selection object from the given entities. Entities already in the Widget's selection buffers are ignored.
         template <class EntityIdCollection>

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Outliner/EntityOutlinerWidgetInterface.h

@@ -1,30 +0,0 @@
-/*
-* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
-* its licensors.
-*
-* For complete copyright and license terms please see the LICENSE at the root of this
-* distribution (the "License"). All use of this software is governed by the License,
-* or, if provided, by the license below or the license accompanying this file. Do not
-* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-*
-*/
-
-#pragma once
-
-#include <AzCore/Interface/Interface.h>
-#include <AzCore/Serialization/SerializeContext.h>
-
-namespace AzToolsFramework
-{
-    class EntityOutlinerWidgetInterface
-    {
-    public:
-        AZ_RTTI(EntityOutlinerWidgetInterface, "{30C0F252-EC84-4196-BF59-EB9E73B8ADCB}");
-
-        virtual void SetUpdatesEnabled(bool enable) = 0;
-        virtual void ExpandEntityChildren(AZ::EntityId entityId) = 0;
-    };
-
-} // namespace AzToolsFramework
-

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyAssetCtrl.cpp

@@ -63,7 +63,7 @@ AZ_POP_DISABLE_WARNING
 
 #include <UI/PropertyEditor/Model/AssetCompleterModel.h>
 #include <UI/PropertyEditor/View/AssetCompleterListView.h>
-#include <UI/PropertyEditor/ThumbnailDropDown.h>
+#include <UI/PropertyEditor/ThumbnailPropertyCtrl.h>
 
 namespace AzToolsFramework
 {
@@ -93,15 +93,11 @@ namespace AzToolsFramework
 
         setAcceptDrops(true);
 
-        m_thumbnail = new Thumbnailer::ThumbnailWidget(this);
-        m_thumbnail->setFixedSize(QSize(24, 24));
+        m_thumbnail = new ThumbnailPropertyCtrl(this);
+        m_thumbnail->setFixedSize(QSize(40, 24));
         m_thumbnail->setVisible(false);
 
-        m_thumbnailDropDown = new ThumbnailDropDown(this);
-        m_thumbnailDropDown->setFixedSize(QSize(40, 24));
-        m_thumbnailDropDown->setVisible(false);
-
-        connect(m_thumbnailDropDown, &ThumbnailDropDown::clicked, this, &PropertyAssetCtrl::OnEditButtonClicked);
+        connect(m_thumbnail, &ThumbnailPropertyCtrl::clicked, this, &PropertyAssetCtrl::OnThumbnailClicked);
 
         m_editButton = new QToolButton(this);
         m_editButton->setAutoRaise(true);
@@ -112,7 +108,6 @@ namespace AzToolsFramework
         connect(m_editButton, &QToolButton::clicked, this, &PropertyAssetCtrl::OnEditButtonClicked);
 
         pLayout->addWidget(m_thumbnail);
-        pLayout->addWidget(m_thumbnailDropDown);
         pLayout->addWidget(m_browseEdit);
         pLayout->addWidget(m_editButton);
 
@@ -188,6 +183,17 @@ namespace AzToolsFramework
         }
     }
 
+    void PropertyAssetCtrl::OnThumbnailClicked()
+    {
+        const AZ::Data::AssetId assetID = GetCurrentAssetID();
+        if (m_thumbnailCallback)
+        {
+            AZ_Error("Asset Property", m_editNotifyTarget, "No notification target set for edit callback.");
+            m_thumbnailCallback->Invoke(m_editNotifyTarget, assetID, GetCurrentAssetType());
+            return;
+        }
+    }
+
     void PropertyAssetCtrl::OnCompletionModelReset()
     {
         if (!m_completerIsActive)
@@ -674,6 +680,13 @@ namespace AzToolsFramework
         AzQtComponents::BrowseEdit::removeDropTargetStyle(m_browseEdit);
     }
 
+    AssetSelectionModel PropertyAssetCtrl::GetAssetSelectionModel()
+    {
+        auto selectionModel = AssetSelectionModel::AssetTypeSelection(GetCurrentAssetType());
+        selectionModel.SetTitle(m_title);
+        return selectionModel;
+    }
+
     void PropertyAssetCtrl::UpdateTabOrder()
     {
         setTabOrder(m_browseEdit, m_editButton);
@@ -1052,6 +1065,11 @@ namespace AzToolsFramework
         m_editButton->setIcon(icon);
     }
 
+    void PropertyAssetCtrl::SetTitle(const QString& title)
+    {
+        m_title = title;
+    }
+
     void PropertyAssetCtrl::SetEditNotifyTarget(void* editNotifyTarget)
     {
         m_editNotifyTarget = editNotifyTarget;
@@ -1091,10 +1109,10 @@ namespace AzToolsFramework
     void PropertyAssetCtrl::UpdateThumbnail()
     {
         m_thumbnail->setVisible(m_showThumbnail);
-        m_thumbnailDropDown->setVisible(m_showThumbnailDropDown);
 
-        if (m_showThumbnail || m_showThumbnailDropDown)
+        if (m_showThumbnail)
         {
+            m_thumbnail->ShowDropDownArrow(m_showThumbnailDropDownButton);
             const AZ::Data::AssetId assetID = GetCurrentAssetID();
             if (assetID.IsValid())
             {
@@ -1112,17 +1130,12 @@ namespace AzToolsFramework
                     {
                         m_thumbnail->SetThumbnailKey(thumbnailKey, Thumbnailer::ThumbnailContext::DefaultContext);
                     }
-                    if (m_showThumbnailDropDown)
-                    {
-                        m_thumbnailDropDown->SetThumbnailKey(thumbnailKey, Thumbnailer::ThumbnailContext::DefaultContext);
-                    }
                     return;
                 }
             }
         }
 
         m_thumbnail->ClearThumbnail();
-        m_thumbnailDropDown->ClearThumbnail();
     }
 
     void PropertyAssetCtrl::SetClearButtonEnabled(bool enable)
@@ -1156,14 +1169,19 @@ namespace AzToolsFramework
         return m_showThumbnail;
     }
 
-    void PropertyAssetCtrl::SetShowThumbnailDropDown(bool enable)
+    void PropertyAssetCtrl::SetShowThumbnailDropDownButton(bool enable)
     {
-        m_showThumbnailDropDown = enable;
+        m_showThumbnailDropDownButton = enable;
     }
 
-    bool PropertyAssetCtrl::GetShowThumbnailDropDown() const
+    bool PropertyAssetCtrl::GetShowThumbnailDropDownButton() const
     {
-        return m_showThumbnailDropDown;
+        return m_showThumbnailDropDownButton;
+    }
+
+    void PropertyAssetCtrl::SetThumbnailCallback(EditCallbackType* editNotifyCallback)
+    {
+        m_thumbnailCallback = editNotifyCallback;
     }
 
     const AZ::Uuid& AssetPropertyHandlerDefault::GetHandledType() const
@@ -1187,7 +1205,16 @@ namespace AzToolsFramework
     {
         (void)debugName;
 
-        if (attrib == AZ_CRC("EditCallback", 0xb74f2ee1))
+        if (attrib == AZ_CRC_CE("AssetPickerTitle"))
+        {
+            AZStd::string title;
+            attrValue->Read<AZStd::string>(title);
+            if (!title.empty())
+            {
+                GUI->SetTitle(title.c_str());
+            }
+        }
+        else if (attrib == AZ_CRC("EditCallback", 0xb74f2ee1))
         {
             PropertyAssetCtrl::EditCallbackType* func = azdynamic_cast<PropertyAssetCtrl::EditCallbackType*>(attrValue->GetAttribute());
             if (func)
@@ -1277,23 +1304,21 @@ namespace AzToolsFramework
         }
         else if (attrib == AZ_CRC_CE("Thumbnail"))
         {
-            bool showThumbnail = false;
-            if (attrValue->Read<bool>(showThumbnail))
-            {
-                GUI->SetShowThumbnail(showThumbnail);
-            }
+            GUI->SetShowThumbnail(true);
         }
-        else if (attrib == AZ_CRC_CE("ThumbnailWithDropDown"))
+        else if (attrib == AZ_CRC_CE("ThumbnailCallback"))
         {
             PropertyAssetCtrl::EditCallbackType* func = azdynamic_cast<PropertyAssetCtrl::EditCallbackType*>(attrValue->GetAttribute());
             if (func)
             {
-                GUI->SetShowThumbnailDropDown(true);
-                GUI->SetEditNotifyCallback(func);
+                GUI->SetShowThumbnail(true);
+                GUI->SetShowThumbnailDropDownButton(true);
+                GUI->SetThumbnailCallback(func);
             }
             else
             {
-                GUI->SetEditNotifyCallback(nullptr);
+                GUI->SetShowThumbnailDropDownButton(false);
+                GUI->SetThumbnailCallback(nullptr);
             }
         }
     }

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyAssetCtrl.hxx

@@ -45,7 +45,7 @@ namespace AzToolsFramework
 {
     class AssetCompleterModel;
     class AssetCompleterListView;
-    class ThumbnailDropDown;
+    class ThumbnailPropertyCtrl;
 
     namespace Thumbnailer
     {
@@ -89,14 +89,14 @@ namespace AzToolsFramework
         void dragLeaveEvent(QDragLeaveEvent* event) override;
         void dropEvent(QDropEvent* event) override;
 
-        virtual AssetSelectionModel GetAssetSelectionModel() { return AssetSelectionModel::AssetTypeSelection(GetCurrentAssetType()); }
+        virtual AssetSelectionModel GetAssetSelectionModel();
 
     signals:
         void OnAssetIDChanged(AZ::Data::AssetId newAssetID);
 
     protected:
-        ThumbnailDropDown* m_thumbnailDropDown = nullptr;
-        Thumbnailer::ThumbnailWidget* m_thumbnail = nullptr;
+        QString m_title;
+        ThumbnailPropertyCtrl* m_thumbnail = nullptr;
         QPushButton* m_errorButton = nullptr;
         QToolButton* m_editButton = nullptr;
 
@@ -157,8 +157,8 @@ namespace AzToolsFramework
         bool m_showProductAssetName = true;
 
         bool m_showThumbnail = false;
-
-        bool m_showThumbnailDropDown = false;
+        bool m_showThumbnailDropDownButton = false;
+        EditCallbackType* m_thumbnailCallback = nullptr;
 
         // ! Default suffix used in the field's placeholder text when a default value is set.
         const char* m_DefaultSuffix = " (default)";
@@ -192,6 +192,7 @@ namespace AzToolsFramework
         //////////////////////////////////////////////////////////////////////////
 
     public slots:
+        void SetTitle(const QString& title);
         void SetEditNotifyTarget(void* editNotifyTarget);
         void SetEditNotifyCallback(EditCallbackType* editNotifyCallback); // This is meant to be used with the "EditCallback" Attribute
         void SetClearNotifyCallback(ClearCallbackType* clearNotifyCallback); // This is meant to be used with the "ClearNotify" Attribute
@@ -209,8 +210,9 @@ namespace AzToolsFramework
 
         void SetShowThumbnail(bool enable);
         bool GetShowThumbnail() const;
-        void SetShowThumbnailDropDown(bool enable);
-        bool GetShowThumbnailDropDown() const;
+        void SetShowThumbnailDropDownButton(bool enable);
+        bool GetShowThumbnailDropDownButton() const;
+        void SetThumbnailCallback(EditCallbackType* editNotifyCallback);
 
         void SetSelectedAssetID(const AZ::Data::AssetId& newID);
         void SetCurrentAssetType(const AZ::Data::AssetType& newType);
@@ -222,6 +224,7 @@ namespace AzToolsFramework
         void UpdateAssetDisplay();
         void OnLineEditFocus(bool focus);
         virtual void OnEditButtonClicked();
+        void OnThumbnailClicked();
         void OnCompletionModelReset();
         void OnAutocomplete(const QModelIndex& index);
         void OnTextChange(const QString& text);

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/ThumbnailPropertyCtrl.cpp

@@ -19,12 +19,14 @@ AZ_PUSH_DISABLE_WARNING(4251 4800, "-Wunknown-warning-option") // 4251: 'QRawFon
 #include <QPainter>
 #include <UI/UICore/AspectRatioAwarePixmapWidget.hxx>
 #include <Thumbnails/ThumbnailWidget.h>
+#include <QApplication>
 AZ_POP_DISABLE_WARNING
-#include "ThumbnailDropDown.h"
+#include "ThumbnailPropertyCtrl.h"
 
 namespace AzToolsFramework
 {
-    ThumbnailDropDown::ThumbnailDropDown(QWidget* parent)
+
+    ThumbnailPropertyCtrl::ThumbnailPropertyCtrl(QWidget* parent)
         : QWidget(parent)
     {
         QHBoxLayout* pLayout = new QHBoxLayout();
@@ -37,6 +39,7 @@ namespace AzToolsFramework
         m_dropDownArrow = new AspectRatioAwarePixmapWidget(this);
         m_dropDownArrow->setPixmap(QPixmap(":/stylesheet/img/triangle0.png"));
         m_dropDownArrow->setFixedSize(QSize(8, 24));
+        ShowDropDownArrow(false);
 
         m_emptyThumbnail = new QLabel(this);
         m_emptyThumbnail->setPixmap(QPixmap(":/stylesheet/img/line.png"));
@@ -51,19 +54,33 @@ namespace AzToolsFramework
         setLayout(pLayout);
     }
 
-    void ThumbnailDropDown::SetThumbnailKey(Thumbnailer::SharedThumbnailKey key, const char* contextName)
+    void ThumbnailPropertyCtrl::SetThumbnailKey(Thumbnailer::SharedThumbnailKey key, const char* contextName)
     {
+        m_key = key;
         m_emptyThumbnail->setVisible(false);
         m_thumbnail->SetThumbnailKey(key, contextName);
     }
 
-    void ThumbnailDropDown::ClearThumbnail()
+    void ThumbnailPropertyCtrl::ClearThumbnail()
     {
         m_emptyThumbnail->setVisible(true);
         m_thumbnail->ClearThumbnail();
     }
 
-    bool ThumbnailDropDown::event(QEvent* e)
+    void ThumbnailPropertyCtrl::ShowDropDownArrow(bool visible)
+    {
+        if (visible)
+        {
+            setFixedSize(QSize(40, 24));
+        }
+        else
+        {
+            setFixedSize(QSize(24, 24));
+        }
+        m_dropDownArrow->setVisible(visible);
+    }
+
+    bool ThumbnailPropertyCtrl::event(QEvent* e)
     {
         if (isEnabled())
         {
@@ -77,7 +94,7 @@ namespace AzToolsFramework
         return QWidget::event(e);
     }
 
-    void ThumbnailDropDown::paintEvent(QPaintEvent* e)
+    void ThumbnailPropertyCtrl::paintEvent(QPaintEvent* e)
     {
         QPainter p(this);
         QRect targetRect(QPoint(), QSize(40, 24));
@@ -85,17 +102,32 @@ namespace AzToolsFramework
         QWidget::paintEvent(e);
     }
 
-    void ThumbnailDropDown::enterEvent(QEvent* e)
+    void ThumbnailPropertyCtrl::enterEvent(QEvent* e)
     {
         m_dropDownArrow->setPixmap(QPixmap(":/stylesheet/img/triangle0_highlighted.png"));
+        if (!m_thumbnailEnlarged && m_key)
+        {
+            QPoint position = mapToGlobal(pos() - QPoint(185, 0));
+            QSize size(180, 180);
+            m_thumbnailEnlarged.reset(new Thumbnailer::ThumbnailWidget());
+            m_thumbnailEnlarged->setFixedSize(size);
+            m_thumbnailEnlarged->move(position);
+            m_thumbnailEnlarged->setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+            m_thumbnailEnlarged->SetThumbnailKey(m_key);
+            m_thumbnailEnlarged->show();
+        }
         QWidget::enterEvent(e);
     }
 
-    void ThumbnailDropDown::leaveEvent(QEvent* e)
+    void ThumbnailPropertyCtrl::leaveEvent(QEvent* e)
     {
         m_dropDownArrow->setPixmap(QPixmap(":/stylesheet/img/triangle0.png"));
+        if (m_thumbnailEnlarged)
+        {
+            m_thumbnailEnlarged.reset();
+        }
         QWidget::leaveEvent(e);
     }
 }
 
-#include "UI/PropertyEditor/moc_ThumbnailDropDown.cpp"
+#include "UI/PropertyEditor/moc_ThumbnailPropertyCtrl.cpp"

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/ThumbnailPropertyCtrl.h

@@ -30,17 +30,20 @@ namespace AzToolsFramework
         class ThumbnailWidget;
     }
 
-    class ThumbnailDropDown : public QWidget
+    //! Used by PropertyAssetCtrl to display thumbnail preview of the asset as well as additional drop-down actions
+    class ThumbnailPropertyCtrl : public QWidget
     {
         Q_OBJECT
     public:
-        explicit ThumbnailDropDown(QWidget* parent = nullptr);
+        explicit ThumbnailPropertyCtrl(QWidget* parent = nullptr);
 
         //! Call this to set what thumbnail widget will display
         void SetThumbnailKey(Thumbnailer::SharedThumbnailKey key, const char* contextName = "Default");
         //! Remove current thumbnail
         void ClearThumbnail();
 
+        void ShowDropDownArrow(bool visible);
+
         bool event(QEvent* e) override;
 
     Q_SIGNALS:
@@ -52,7 +55,9 @@ namespace AzToolsFramework
         void leaveEvent(QEvent* e) override;
 
     private:
+        Thumbnailer::SharedThumbnailKey m_key;
         Thumbnailer::ThumbnailWidget* m_thumbnail = nullptr;
+        QScopedPointer<Thumbnailer::ThumbnailWidget> m_thumbnailEnlarged;
         QLabel* m_emptyThumbnail = nullptr;
         AspectRatioAwarePixmapWidget* m_dropDownArrow = nullptr;
     };

Code/Framework/AzToolsFramework/AzToolsFramework/aztoolsframework_files.cmake

@@ -417,8 +417,8 @@ set(FILES
     UI/PropertyEditor/GrowTextEdit.cpp
     UI/PropertyEditor/MultiLineTextEditHandler.h
     UI/PropertyEditor/MultiLineTextEditHandler.cpp
-    UI/PropertyEditor/ThumbnailDropDown.h
-    UI/PropertyEditor/ThumbnailDropDown.cpp
+    UI/PropertyEditor/ThumbnailPropertyCtrl.h
+    UI/PropertyEditor/ThumbnailPropertyCtrl.cpp
     UI/Slice/SlicePushWidget.cpp
     UI/Slice/SlicePushWidget.hxx
     UI/Slice/SliceOverridesNotificationWindow.cpp
@@ -652,6 +652,7 @@ set(FILES
     Prefab/PrefabPublicHandler.h
     Prefab/PrefabPublicHandler.cpp
     Prefab/PrefabPublicInterface.h
+    Prefab/PrefabPublicNotificationBus.h
     Prefab/PrefabUndo.h
     Prefab/PrefabUndo.cpp
     Prefab/PrefabUndoCache.cpp
@@ -687,7 +688,6 @@ set(FILES
     UI/Outliner/EntityOutlinerDisplayOptionsMenu.cpp
     UI/Outliner/EntityOutlinerTreeView.hxx
     UI/Outliner/EntityOutlinerTreeView.cpp
-    UI/Outliner/EntityOutlinerWidgetInterface.h
     UI/Outliner/EntityOutlinerWidget.hxx
     UI/Outliner/EntityOutlinerWidget.cpp
     UI/Outliner/EntityOutlinerCacheBus.h

Code/Framework/AzToolsFramework/Tests/Entity/EditorEntitySelectionTests.cpp

@@ -81,12 +81,17 @@ namespace UnitTest
         ToolsApplicationRequestBus::BroadcastResult(
             anyEntitySelected, &ToolsApplicationRequests::AreAnyEntitiesSelected);
 
+        int selectedEntitiesCount = 0;
+        ToolsApplicationRequestBus::BroadcastResult(
+            selectedEntitiesCount, &ToolsApplicationRequests::GetSelectedEntitiesCount);
+
         EntityIdList selectedEntityIds;
         ToolsApplicationRequestBus::BroadcastResult(
             selectedEntityIds, &ToolsApplicationRequests::GetSelectedEntities);
 
         EXPECT_TRUE(testEntitySelected);
         EXPECT_TRUE(anyEntitySelected);
+        EXPECT_EQ(selectedEntitiesCount, 1);
         EXPECT_EQ(selectedEntityIds.size(), 1);
         EXPECT_EQ(selectedEntityIds.front(), testEntityId);
 
@@ -100,11 +105,15 @@ namespace UnitTest
         ToolsApplicationRequestBus::BroadcastResult(
             anyEntitySelected, &ToolsApplicationRequests::AreAnyEntitiesSelected);
 
+        ToolsApplicationRequestBus::BroadcastResult(
+            selectedEntitiesCount, &ToolsApplicationRequests::GetSelectedEntitiesCount);
+
         ToolsApplicationRequestBus::BroadcastResult(
             selectedEntityIds, &ToolsApplicationRequests::GetSelectedEntities);
 
         EXPECT_FALSE(testEntitySelected);
         EXPECT_FALSE(anyEntitySelected);
+        EXPECT_EQ(selectedEntitiesCount, 0);
         EXPECT_TRUE(selectedEntityIds.empty());
     }
 
@@ -141,11 +150,16 @@ namespace UnitTest
         ToolsApplicationRequestBus::BroadcastResult(
             anyEntitySelected, &ToolsApplicationRequests::AreAnyEntitiesSelected);
 
+        int selectedEntitiesCount = 0;
+        ToolsApplicationRequestBus::BroadcastResult(
+            selectedEntitiesCount, &ToolsApplicationRequests::GetSelectedEntitiesCount);
+
         EntityIdList actualSelectedEntityIds;
         ToolsApplicationRequestBus::BroadcastResult(
             actualSelectedEntityIds, &ToolsApplicationRequests::GetSelectedEntities);
 
         EXPECT_TRUE(anyEntitySelected);
+        EXPECT_EQ(selectedEntitiesCount, expectedSelectedEntityIds.size());
         EXPECT_EQ(actualSelectedEntityIds.size(), expectedSelectedEntityIds.size());
         for (auto& id : expectedSelectedEntityIds)
         {
@@ -160,10 +174,14 @@ namespace UnitTest
         ToolsApplicationRequestBus::BroadcastResult(
             anyEntitySelected, &ToolsApplicationRequests::AreAnyEntitiesSelected);
 
+        ToolsApplicationRequestBus::BroadcastResult(
+            selectedEntitiesCount, &ToolsApplicationRequests::GetSelectedEntitiesCount);
+
         ToolsApplicationRequestBus::BroadcastResult(
             actualSelectedEntityIds, &ToolsApplicationRequests::GetSelectedEntities);
 
         EXPECT_TRUE(anyEntitySelected);
+        EXPECT_EQ(selectedEntitiesCount, expectedSelectedEntityIds.size());
         EXPECT_EQ(actualSelectedEntityIds.size(), expectedSelectedEntityIds.size());
         for (auto& id : expectedSelectedEntityIds)
         {

Code/Framework/AzToolsFramework/Tests/ThumbnailerTests.cpp

@@ -85,8 +85,6 @@ namespace UnitTest
     {
         constexpr const char* contextName1 = "Context1";
         constexpr const char* contextName2 = "Context2";
-        constexpr int thumbnailSize1 = 128;
-        constexpr int thumbnailSize2 = 256;
 
         auto checkHasContext = [](const char* contextName)
         {
@@ -98,12 +96,12 @@ namespace UnitTest
         EXPECT_FALSE(checkHasContext(contextName1));
         EXPECT_FALSE(checkHasContext(contextName2));
 
-        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1, thumbnailSize1);
+        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1);
 
         EXPECT_TRUE(checkHasContext(contextName1));
         EXPECT_FALSE(checkHasContext(contextName2));
 
-        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName2, thumbnailSize2);
+        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName2);
 
         EXPECT_TRUE(checkHasContext(contextName1));
         EXPECT_TRUE(checkHasContext(contextName2));
@@ -123,8 +121,6 @@ namespace UnitTest
     {
         constexpr const char* contextName1 = "Context1";
         constexpr const char* contextName2 = "Context2";
-        constexpr int thumbnailSize1 = 128;
-        constexpr int thumbnailSize2 = 256;
 
         auto checkHasContext = [](const char* contextName)
         {
@@ -133,8 +129,8 @@ namespace UnitTest
             return hasContext;
         };
 
-        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1, thumbnailSize1);
-        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName2, thumbnailSize2);
+        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1);
+        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName2);
 
         EXPECT_TRUE(checkHasContext(contextName1));
         EXPECT_TRUE(checkHasContext(contextName2));
@@ -149,12 +145,11 @@ namespace UnitTest
     TEST_F(ThumbnailerTests, ThumbnailerComponent_RegisterContextTwice_Assert)
     {
         constexpr const char* contextName1 = "Context1";
-        constexpr int thumbnailSize1 = 128;
 
-        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1, thumbnailSize1);
+        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1);
 
         AZ_TEST_START_TRACE_SUPPRESSION;
-        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1, thumbnailSize1);
+        AzToolsFramework::Thumbnailer::ThumbnailerRequestBus::Broadcast(&AzToolsFramework::Thumbnailer::ThumbnailerRequests::RegisterContext, contextName1);
         AZ_TEST_STOP_TRACE_SUPPRESSION(1);
     }