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 #8426 Dir[] vs "../../" #8506 Test new version of resolv #8526 obj.first caused Java::JavaUtil::NoSuchElementException on an empty Java21 ArrayList #8542 Fix Dir.glob ../ and cases #8565 JRuby native launcher seems to get confused when both --dev and -Xcompile.mode=JIT are applied #8574 Improvements to support json library #8577 ArgumentError: unknown keyword for required keyword argument #8599 Fixes #8577. kwargs checking: Use bits instead of index #8608 add zlib each_char #8611 Setting an instance var on a Java object no longer warns #8613 Warn when creating a new ivar table on JavaProxy wrapper #8623 Installing sassc broke on jruby-head on Windows #8625 Add --cache flag to regenerate AppCDS #8626 Fix default arguments for generating AppCDS flag #8635 Fix tr! and reverse! on ByteList view with non-zero begin index #8643 Fixes to get stringio tests and specs green #8645 Update stringio to 3.1.5 #8648 Handle errors whe looking for Java executable #8652 Use set -u to avoid accessing uninitialized variables #8653 Align 9.4 launcher with 10 #8654 fix glob dir on windows #8655 Make some private helpers for glob #8656 Additional fixes for jruby.sh #8661 Update Unicode to 15.0 #8663 copy-rename-maven-plugin version #8667 Update jcodings to 1.0.62 and joni to 2.2.4 #8671 fix a regression in KDDI transcoding #8681 Update MRI core tests and tag failures #8686 rbByteEncode fails to no-op when encodings are the same #8687 Handle encoding checks as in strTranscode #8688 Tracing :call with TracePoint (and --debug flag) makes kwargs unusable #8691 Implement AutoCloseable on JRubyEngine #8692 Save original callers callInfo in tracepoint #8696 New restriction warnings on Java 24 #8715 Fix missing 2 arg for IO#readline #8728 Incorrect warning: given block not used #8731 [ji] avoid false duplicate method warning #8733 Remove this warning to match standard set.rb #8754 Backport jruby.sh from JRuby 10 #8755 Update uri to version 0.12.3 in JRuby 9.4 #8789 Dir.glob and Dir[] on existing file URL raises error #8795 Possible typo in lib/ruby/stdlib/jruby/compiler.rb:61 #8805 Possible NPE in RubyModule:searchWithCacheMiss() found by SAST #8806 Possible NPE in StringSupport:rbStrEnumerateLines() found by SAST #8820 Fix recent potential NPE reports #8821 Always cache undef along these paths #8825 Update net-imap from 0.2.3 to 0.2.5 #8827 Update to net-imap 0.2.5 for security fixes #8830 Splat with multi-line expression improperly expands #8834 Missing splatNode creation #8842 Metaspace leak in 9.4 #8844 Use a normal ClassValue for all such cases #8845 Fix locking of stable class values for JI proxies #8849 Clean up some locking around hierarchy modification #8857 Migrate to the new Maven Central publishing system -- blog: http://blog.enebo.com twitter: tom_enebo mail: tom.enebo@gmail.com