The behavior of smart pointers was not updated after the changes to raw pointers, in particular with how default JSON Objects were handled. They both now treat an empty JSON Object (a.k.a. the id for default instances) as meaning to create a default instance on the pointer even if the default is a nullptr. To have a nullptr a JSON Null has to be explicitly written.
The code that adds a $type field for pointers where needed was still assuming that custom serializer were always for primitives, which isn't the case anymore. This changes updates the behavior to allow $type to be added to those as well as long as they use an object. This does now however rely more heavily on earlier checks that the data needs a $type because it otherwise can't tell the difference between a primitive getting a default value (an empty object). In the original code this situation would have resulted in failed serialization though, so it's unlikely to be a problem.
AMZN-koppersr
Chris Burel
amzn-mike
Terry Michaels
amzn-mike
greerdv
hultonha
alexpete