JRuby 10.1 is released! We've caught up with CRuby 4.0 after less than four months, and pushed a bunch of new optimizations: smaller objects, smaller numerics, and groundwork for many more. We'll maintain 10.0 as our stable line, but do try 10.1 yourself!
www.jruby.org/2026/04/21/j...
The JRuby community is pleased to announce the release of JRuby 10.1.0.0.
