The JRuby community announced the release of JRuby 10.0.3.0.
JRuby 10.0.3.x continues work toward Ruby 3.4 compatibility and includes updates across compatibility, standard library, documentation, and many bug fixes.
Highlights
- Improved compatibility reporting for RbConfig::CONFIG[‘arch’], allowing different JDK versions without triggering RubyGems extension warnings
- Standard library upgraded to Ruby 3.4.5
- rexml updated to 3.4.4 to address CVE-2025-58767
- syslog moved to a default gem with JRuby support
- Ruby ri documentation for core and standard library is included in the release
For the full list of changes and fixes, check out the complete release notes: