RubyMine 4.0.3 5 is available (released Feb 15July 17, 2012, updated Apr 18, 2012).
Read what's new in RubyMine 4.05, download and try it.
*RubyMine Nire Early Access Program is now open*.
Visit the following pages to try early builds of next RubyMine release:
* [RubyMine 4.5 RC|RUBYDEV:RubyMine EAP] Download and try (updated *July 10, 2012*)