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JRuby 1.1.4 Released

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The JRuby project, an implementation of the Ruby language on the JVM, has released version 1.1.4. Though a minor (maintenance) release, the new version introduces a number of improvements, including:

  • A substantially re-written Ruby-Java integration layer.
  • Big improvements in performance: about 2-20x.
  • Reduction of garbage collection cycles (efficient memory usage).
  • Experimental support for Ruby 1.9 (via the --1/9 flag)
  • Started support for the win32 API
  • Ported Rubinius' FFI subsystem for integrating with C libraries
  • Addition of OSGi metadata to the jruby.jar
  • Lots of bug fixes (72 issues resolved since version 1.1.3)

The full release notes are here.

You can download the new version here.