January 2026: Restored Windows RBS test coverage by re-enabling a previously skipped test after a NoMemoryError workaround, leveraging the fix in test-unit 3.7.7. This work strengthens CI reliability on Windows and reduces flaky test results by ensuring critical RBS tests run in CI. The change is tracked via a single commit that applies the workaround and aligns with the acknowledged test-unit release.

December 2025 monthly summary for ruby/www.ruby-lang.org: Focused on release readiness and compatibility for Ruby 4.0.0. Updated the test-unit gem to 3.7.5 across language-specific release notes to ensure compatibility and access to latest fixes. No major bugs fixed this month; work concentrated on dependency alignment, documentation accuracy, and release-quality assurance.