JRuby Dev Team (@jruby) / X

JRuby Dev Team

2,715 posts

JRuby Dev Team

@jruby

In your Java

Joined September 2008

JRuby Dev Team
@jruby
Jul 22
JRuby 10.1.1.0 is released, with a bunch of compat fixes, more performance work, and several third-party CVEs resolved. JRuby 10.1 is our active development branch, with 10.0 being stable. Upgrading is recommended if you want the latest and greatest! jruby.org/2026/07/22/jru…
JRuby Dev Team
@jruby
Jun 26
Our friends over at @fastrubyio have posted a nice compatibility matrix for JRuby versions, covering Ruby and Rails versions. Check it out to see how the versions line up or to learn how JRuby can help you run Ruby and Rails better! fastruby.io/blog/jruby/rai…
JRuby Dev Team
@jruby
Jun 11
JRuby 10.0.6.0 released! Updated jruby-openssl, faster Java interface support, and many other fixes and improvements. JRuby 10.0.x is our LTS version, so upgrading is recommended. jruby.org/2026/06/11/jru…
JRuby Dev Team
@jruby
Jun 8
JRuby 9.4.15.0 is released! This is the last regularly-scheduled release of JRuby 9.4.x and includes the last set of 9.4 fixes. Future releases will be done as needed for commercial JRuby users. Contact us if you need long-term JRuby 9.4 support. jruby.org/2026/06/08/jru…
JRuby Dev Team
@jruby
Apr 21
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! jruby.org/2026/04/21/jru…
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