Exception serializer can't handle custom properties in subclasses

[meoblast001]

I created a subclass of System.Exception with its own property that I wanted to serialise. When including all constructors (even methods for ISerializable). This was packed in a faulted Task object. After deserialising (using Akka) all Exception properties were fine, but properties I defined on the class were receiving default values (boolean sent with true was received as false).

After looking at ExceptionSerializerFactory, I realised that all objects inheriting from System.Exception fall into that serialiser but it only serialises properties known to the System.Exception class (such as class name, message, inner exception, ..).

I would expect that this serialiser would either take into account that the exception may have other properties or at least offer a way to have the exception be sent over another serializer which transports this information.