- Events - enabling a portlet to send and receive events and perform state changes or send further events as a result of processing an event. - Public render parameters
- allowing portlets to share parameters with other portlets.
- Resource serving - provides the ability for a portlet to serve a resource (including doing ajax calls).
- The major changes in version 2 of the Java Portlet API are:
Portlet filter - allowing on-the-fly transformations of information in both the request to and the response from a portlet.
(Quelle: The Serverside)
Wenn man mal ehrlich ist, dann sind das alles Dinge, die man in den Portalen der Hersteller schon seit langem findet. Vielleicht ist es daher auch schon fast zu spät für die Version 2.0. Aber das wird die Zeit schon zeigen.