Does Spring 3.0 really support JSR-286?

Does Spring 3.0 Portlet MVC really support JSR-286 aka Porlet 2.0? I've seen anecdotal ment开发者_开发知识库ions of it but nothing in any documented form.

If so, has anyone successfully implemented a JSR-286 plugin with Spring 3.0. If yes, on what platform? Any good reference information, or better yet, a sharable implementation?

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From http://spring.io/blog/2009/12/16/spring-framework-3-0-goes-ga/:

• Rich native Portlet 2.0 support: Spring MVC fully supports Portlet 2.0 environments and Portlet 2.0’s new event and resource request model. Includes specialized mapping facilities for typical portlet request characteristics: @ActionMapping, @RenderMapping, @ResourceMapping, @EventMapping.