RubyMine 6.5 (Hinoki) is the next release of RubyMine.
For more information on RubyMine visit http://www.jetbrains.com/ruby.
For the list of features see What's new.
Official released version of RubyMine is available for download and purchase from RubyMine website.
RubyMine Hinoki EAP (build 134.1146) Release Notes