JRuby Released

Thursday, November 02 2023

The JRuby community is pleased to announce the release of JRuby

JRuby 9.4.x targets Ruby 3.1 compatibility.

Thank you to our contributors this release, you help keep JRuby moving forward! @ahorek, @jcharaoui, @kares

Ruby Compatibility

  • The experimental Fiber::Scheduler and IO::Buffer APIs are now supported, based on the Ruby 3.3 implementation. Pass -Xexperimental.fiber.scheduler to JRuby to enable. #7944
    • For information on Fiber::Scheduler, see https://docs.ruby-lang.org/en/3.2/Fiber/Scheduler.html.
    • For information on IO::Buffer, see https://docs.ruby-lang.org/en/3.2/IO/Buffer.html.

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