The IronRuby team is pleased to announce version 1.0 RC4! As IronRuby approaches the final 1.0, these RCs will contain crucial bug fixes and enhancements that IronRuby requires to be a fast and compatible 1.0.
For more information see the Bugs fixed and changes
page for this release.
As always, if you encounter any issues with IronRuby please report it