Here are the list of the most important features of the new Portlet Container:
* The Portlet Container
- full compliance with PortletAPI 2.0 final specification (100% TCK tests were succeeded)
- PC plugin mechanism
- prefect portal framework
- new portlet apptiocation deployment descriptor
- new API interfaces
- container runtime options support
- resource ID support
- annotated methods support
- event processing
- PortletURLGenerationListener
- JAXB type validation for event payload
- cache levels for resource URLs
- predefined container events
- portlet filter support
- validation cache and ETAG support
- new tags in tag library
- include/forward processing changes
- public render parameters
- HTTP headers/response full control for processResource()
- AJAX-compliant URL generation

* WSRP
- full compliance with the WSRP 2 plugin to the WSRP 2 PR03 specification
- distinct WSRP plugins for the PC (WSRP 1.0 and WSRP 2.0 plugins)
- WSRP administrative portlets built in into plugins
- WSRP starter mechanism
- AXIS 1.4 based code
- three step protocol
- resource serving
- event handling
- navigational parameters
- JAXB event binding
- state distribution