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JRuby 9.4.13.0

The JRuby community is pleased to announce the release of JRuby 9.4.13.0.

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

JRuby 9.4.13.x targets Ruby 3.1 compatibility.

Thank you to our contributors this release, you help keep JRuby moving forward!

Stability

• Fixed a slow memory leak in subclass management. (#8842, #8844)
• Fixed a potential deadlock during multi-threaded boot and concurrent JIT compilation. (#8845, #8849)

Usability

• Backported JRuby .sh launcher features from JRuby 10, including AppCDS flags for improved startup time. (#8565, #8625, #8626, #8652, #8653, #8656, #8754)

56 Issues and PRs resolved for 9.4.13.0

• #8351 [Zlib::GzipReader missing each_char iterator]#8351
• #8426 [Dir[] vs "../../"]#8426
• #8506 [Test new version of resolv]#8506
• #8526 [obj.first caused Java::JavaUtil::NoSuchElementException on an empty Java21 ArrayList]#8526
• #8542 [Fix Dir.glob ../ and cases]#8542
• #8565 [JRuby native launcher seems to get confused when both --dev and -Xcompile.mode=JIT are applied]#8565
• #8574 [Improvements to support json library]#8574
• #8577 [ArgumentError: unknown keyword for required keyword argument]#8577
• #8599 [Fixes #8577. kwargs checking: Use bits instead of index]#8599
• #8608 [add zlib each_char]#8608
• #8611 [Setting an instance var on a Java object no longer warns]#8611
• #8613 [Warn when creating a new ivar table on JavaProxy wrapper]#8613
• #8623 [Installing sassc broke on jruby-head on Windows]#8623
• #8625 [Add --cache flag to regenerate AppCDS]#8625
• #8626 [Fix default arguments for generating AppCDS flag]#8626
• #8635 [Fix tr! and reverse! on ByteList view with non-zero begin index]#8635
• #8643 [Fixes to get stringio tests and specs green]#8643
• #8645 [Update stringio to 3.1.5]#8645
• #8648 [Handle errors whe looking for Java executable]#8648
• #8652 [Use set -u to avoid accessing uninitialized variables]#8652
• #8653 [Align 9.4 launcher with 10]#8653
• #8654 [fix glob dir on windows]#8654
• #8655 [Make some private helpers for glob]#8655
• #8656 [Additional fixes for jruby.sh]#8656
• #8661 [Update Unicode to 15.0]#8661
• #8663 [copy-rename-maven-plugin version]#8663
• #8667 [Update jcodings to 1.0.62 and joni to 2.2.4]#8667

... (truncated)

• 9938a34 Version 9.4.13.0 updated for release
• 35946f8 Update for lack of S3 and new maven publishing
• 76fec04 Commit generated pom.xml
• 113e901 Merge pull request #8857 from jruby/new_maven
• b986ab7 Move GPG signing into release profile
• 5487007 Add GPG signing back into build
• bea5408 Update to new Sonatype central plugin
• 268bd98 Add rails simple app runner script for smoke testing
• 5f2e846 Merge pull request #8849 from headius/rubymodule_consistent_locking
• 2534dda Clean up some locking around hierarchy modification
• Additional commits viewable in compare view

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