[ruby-talk:444773] [ANN] JRuby 10.0.3.0 Released

The JRuby community is pleased to announce the release of JRuby 10.0.3.0.

  - Homepage: https://www.jruby.org/   - Download: Downloads — JRuby.org

JRuby 10.0.3.x targets Ruby 3.4 compatibility.

Thank you to our contributors this release, you help keep JRuby moving forward! @mrnoname1000, @ngr-ilmarh, @Earlopain, @philr, @jotamartos, @kares, @aleksandrs-ledovskis, @trinistr, @katafrakt, @chadlwilson, @khasinski, @evaniainbrooks

Compatibility

• JRuby now reports RbConfig::CONFIG['arch'] without a version number, as universal-java. This allows using different JDK versions without triggering RubyGems missing extension warnings for installed gems. The host Java version is still available as RbConfig::CONFIG['arch_version']. #9107

Standard Library

  - The non-gem standard library is upgraded to Ruby 3.4.5 #8967   - rexml is updated to 3.4.4 to address CVE-2025-58767. #9011   - syslog is moved to a default gem at version 0.4.0. The syslog gem now includes JRuby support. #9109, ruby/syslog#1   - strscan is updated to 3.1.7. #9159

Documentation

  - Ruby ri documentation for core and standard library are now included in the release distribution. #9049, #9052

All Issues/PRs

    #8707 WARNING: A terminally deprecated method in sun.misc.Unsafe has been called     #8727 Cannot install latest rubocop     #8730 Launcher: Defensive fixes     #8758 Require is not working for .class file if the class is inside a module since 9.3.0     #8810 Possible fix for 8809     #8923 NameError for autoloaded constant with private_constant     #8934 JRuby under Java 22+ always thinks it's running under a TTY     #8940 Verify to_s is string or fall back on anyToString     #8947 New check for System.console tty on JDK 22+     #8955 Range#count always returns size for Integer bounds     #8956 Handle argument or block passed to Range#count     #8958 Concurrent requires can lead to StringIndexOutOfBoundsException     #8960 Fix index -1 error while searching for feature path     #8962 Upgrade polyglot and remove openssl lib hack     #8967 Update stdlib to 3.4.5 and clean up old files     #8975 Use RuboCop to clean up poms (10.x)     #8976 Regression in keyword argument matching in JRuby v10.0.1.0     #8978 Additional fixes for scheme-based globbing     #8984 glob refactoring     #8985 Fix language spec where error string changed     #8987 InvokeDynamicSupport.findVirtual fails with IllegalAccessException: symbolic reference class is not accessible     #8989 Explicitly request access before Lookup.find*     #8994 autoload + private_constant do not play well together     #8995 private_constant should just update existing autoload     #8996 Avoid binding unreadable modules' classes     #8998 Time#localtime incorrectly treats zero offset as UTC (regression in v10.0.2.0)     #9006 Consider .class a source extension during search     #9007 Handle warn(foo, uplevel: nil)     #9009 Encoding a string with undefined chars fails with NoMethodError     #9010 Fix "+00:00" and 0 being treated as UTC by Time#localtime and Time.at     #9011 Update rexml gem to solve CVE-2025-58767     #9016 [fix] regression calling static hash() method on Java proxy     #9017 can not use Java class with static hash() method     #9018 Parser does not convert newlines reading \r\n on Windows     #9019 We need to remove \r from heredoc strings     #9021 Retire safe double processing utilities     #9024 Move all main classes to org.jruby.main package     #9027 Add "since" to bare Deprecated annotations     #9035 IO#read does not clear code-range for buffer argument     #9036 fix: clear code-range when re-using a string buffer     #9038 Add opens and native access to all jar manifests     #9039 Update all jnr dependencies     #9041 Migrate .java-version contents to .jruby.release     #9049 ri docs are not available for core     #9050 Marshal fails to load an encoding with an encoding ivar     #9051 Ignore encoding when unmarshaling an Encoding     #9052 Download and include in dist CRuby's rdoc data     #9058 Implement efficient unshifting     #9059 Reserve extra space before elements when unshifting     #9063 Hash’s compare_by_identity state does not marshal     #9065 Preserve compare_by_identity for marshaled Hash     #9068 Windows CI spec runs     #9073 fix: Permit overriding of JSA file location using ENV variable     #9084 object_id improvements     #9094 Implement GC.config [Ruby 3.4]     #9097 Update jruby-openssl to v0.15.5 to resolve BouncyCastle 1.79 vulnerability (sonatype-2025-001911).     #9098 Fix CoverageData.mergeLines when coverage increases     #9101 Cached fixnums for immediate values     #9103 Update jruby-openssl to 0.15.5     #9106 Use smaller default size for many collections     #9107 Separate Java version out of rbconfig 'arch'     #9108 Tidy up default gems     #9109 Switch to syslog gem     #9110 Calling inspect on proc resets line in source_location     #9112 Prevent modifying state in RubyProc     #9117 Add file path to error message when unlinking non-existing file     #9122 Unexpected jruby.sh error messages on Windows     #9127 fix(launcher): correct parsing of java release files under Bash/msys2 etc on Windows     #9138 Copy Data type's var table manager with new realClass     #9141 refactorings and cleanup motivated by error-prone     #9142 Change GC's methods from module_function to metaclass methods     #9145 Never trust external content for FString     #9152 Marshal.dump corruption for large Array structures     #9157 bump included gems     #9158 Use same key match for containsKey     #9159 Update strscan to 3.1.7     #9182 Fix NoMethodError when encoding with invalid: :replace option     #9188 Different arguments for each.map vs each and map alone (10.0)     #9189 Fixes #8952. Nest it should be different its     #9190 Backport implicit local variable fixes from 10.1     #9191 Fixes #8952. Nested 'it' behavior broken     #9192 Stab at Fixing #8976     #9194 BigDecimal#+, #-, #add, #sub always try to cast result of coercion to RubyBigDecimal     #9196 require "bigdecimal" does not install BigDecimal() if it was called previously     #9199 Output formatting differences between jRuby 10.0.0.1 and Ruby 3.4 when converting Float to JSON     #9200 Extract float formatting into a static method to use with to_json     #9203 Invalidate method caches from generated populators     #9204 Fix BigDecimal#+, #-, #add, #sub failing when coercing doesn’t return a BigDecimal     #9205 Fix encoding fallback error handling and error message formatting

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