We're hoping to extend the framework to allow custom value types to be plugged in.
This page - CustomValueTypes - is to capture discussion and ideas.
This page - ActionParameters - is to capture ideas on evolving the programming model around action parameters and supporting methods.
This page - ActionParameterNegotiation - explains the negotiation logic for pending action parameters (default, choice, visibility, usability)
Our plan is to add a new viewer, similar to the Wicket viewer, but using Vaadin 14
This page - Vaadin Viewer - is to capture discussion and ideas
Apache Isis Version 2
Work on v2 has been underway for a while. Some pages relating to the development work can be found here