Implement ISerializable fallback serializer #6917
Merged
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Implements a new serializer specifically for conforming
ISerializable
implementations. This is intended to replace most of the use case that we currently have forBinaryFormatter
, which is blocked in .NET 5This also adds fallback exception serialization so that exception types which are unknown by the deserializing party (eg, the caller of a method which throws) can be deserialized into a special type, maintaining the stack.
Additionally, this supports deserializing exception types which do not expose a protected deserialization constructor (because they did not correctly implement the
ISerializable
pattern)