Saxon

We are currently preparing 9.6 for release on .NET but it is already out on Java.

The class ExternalObjectType on the Java platform represents the type of a Java external object, while DotNetExternalObjectType does the same on the .net platform. Unfortunately they do not share code where they should, and the .net version incorrectly treats external types as being atomic.

We're therefore introducing a new abstract class for the generic concept on both platforms (to be called ExternalObjectType) with subclasses JavaExternalObjectType for the Java platform and DotNetExternalObjectType for .net.

Because this change replaces a concrete Java-specific class with an abstract class of the same name, any applications that create instances of the class may need to change to instantiate the subclass instead.