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Thomas Enebo just announced the lastest point release of JRuby - 1.1.5. Here’s a snippet:

“JRuby 1.1.5 is the fifth point release of JRuby 1.1. The fixes in this release are primarily obvious compatibility problems and performance enhancements. Our goal is to put out point releases more frequently for the next several months (about 3-4 weeks a release). We want a more rapid release cycle to better address issues brought up by users of JRuby.”

Highlights:

• Per-class method caching (improves _send_, respond_to?, and defined?)
• Constant cache dramatically improves constant lookup
• Reduced memory usage for compiled execution
• Several Java Integration regressions fixed
• Rubygems 1.3.1 and Rspec 1.1.11 upgrades
• Updated ffi (Foreign Function Interface) support
• More Ruby 1.9 mode support
• 113 bugs fixed since 1.1.4

To see all the goods read the official release post.

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