As soon as NB 7.3 is out, the stable version of the RoR plugin will be released.

http://hg.netbeans.org/community-ruby

This works only with NB >= 7.3B2: http://deadlock.netbeans.org/hudson/job/ruby/lastSuccessfulBuild/artifact/build/updates/updates.xml

This is the continuous integration servers storage of the last completed test-run.

ant nbms