Spring Framework 3.0.3

..." all major persistence providers have released GA versions with JPA 2.0 support, even including a JPA 2.0 feature pack for WebSphere 7. This clearly suggests that JPA 2.0 is about to become mainstream… A good time to give it a try if you haven't done so already! Of course, Spring 3 is happy to work with a server-provided JPA 2.0 EntityManagerFactory (e.g. in a WebSphere environment), while also being able to bring the full power of embedded JPA 2.0 to Tomcat and standalone environments"...

Spring Source Blog

http://blog.springsource.com/2010/06/15/spring-framework-3-0-3-released/