JRuby 1.7.0.preview2 Released

JRuby 1.7.0.preview2 Released

This is the second preview release of JRuby 1.7. The JRuby 1.7 release series represents a tremendous amount of work by dozens of contributors, and there are improvements in every subsystem. Users of highly-concurrent applications will see improvements in throughput and raw parallelism. And we have upped our compatibility level to match Ruby 1.9.3.

Full article: http://jruby.org/2012/08/07/jruby-1-7-0-preview2.html