The Apache River 3.0.0 Release candidate is available here:
http://people.apache.org/~peter_firmstone/Voting on this release will commence in 4 weeks, to allow time for people to check they can reproduce these artifacts and test their code and report back with any issues.
The code is currently in trunk, this will be branched after the 4 week review period and Voting passes.
See also http://www.apache.org/dev/release-publishing.html Regards, Peter.
