We are pleased to announce that Spring Integration 2.1 has been released! Please see the announcement on the SpringSource blog to learn more about the new features:

http://blog.springsource.org/2012/01...2-1-is-now-ga/

Some additional useful resources:

Migration Guide (2.0 to 2.1)
https://github.com/SpringSource/spri...igration-Guide

Reference Documentation
http://static.springsource.org/sprin...ce/htmlsingle/

JavaDoc
http://static.springsource.org/sprin...ocs/2.1.x/api/

Spring Integration Samples
https://github.com/SpringSource/spri...ration-samples

Cheers,
The Spring Integration Team