JRuby 9.4.5.0 Released

The JRuby community is pleased to announce the release of JRuby 9.4.5.0.

• Homepage: https://www.jruby.org/
• Download: https://www.jruby.org/download

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.

20 Github Issues resolved for 9.4.5.0

• #6346 TCPSocket hangs when RST is received on Windows
• #7944 Support for fiber scheduler API
• #7961 Socket.each loops after receiving RST pegging CPU at 100%
• #7967 Propagate read errors in IO backend
• #7968 RbConfig::CONFIG[“SOEXT”] is missing on JRuby
• #7969 add RbConfig::CONFIG[“SOEXT”]
• #7970 Hide FilenoUtil warning behind native.verbose property
• #7971 Bootstrap cleanup
• #7972 Update strscan to 3.0.7
• #7975 Fix ENOENT with TestProcessSpawn on Debian
• #7976 .delete_if blocks allow deleting same object from array twich
• #7978 Less Load{Frame,Implicit}ClosureInstr
• #7979 Process stuck with 100% cpu when using jruby 9.4.4.0
• #7980 Fix length handling in select!/reject! ensure
• #7982 Error using ActiveSupport::Testing::TestHelpers (7.1.1) on jruby-9.4.4.0
• #7983 Build, test failures when build directory contains special characters
• #7984 Remove unnecessary cast of kwargs
• #7985 Make sure gems path is regex-safe
• #7990 [fix] infinite loop calling Java super from Ruby
• #7993 Preserve insertion order for ivars