Tracking any compatibility changes during development for the release notes.
Liberty.SSOS
Liberty.SSOS.MDDriven
shibboleth.OutgoingIDWSFSSOSBindings
shibboleth.Encoders.IDWSFSOAPEncoder
shibboleth.Binding.LibertySOAP
shibboleth.Conditions.IssuingDelegatedAssertion
shibboleth.Conditions.AllowedSAMLPresenters
idp.service.attribute.resolver.suppressDisplayInfo
Removed V2 scripted attribute compatibility classes
Added methods to SPSession interface for logout enhancements dating to V4.2
Deprecated and ignored profileContextRef (sp?) XML attribute in resolver and filter schemas and parsers
Removed various APIs related to SAML delegation
Removed profileRequestContextLookupStrategy on various resolver and filter plugins
IdPAttributes can no longer display information