JRuby 9.2.21.0 now available

Change effective on 30 June 2022

The Ruby stack now supports JRuby 9.2.21.0. To use this release, add the following code to your Gemfile:

ruby '2.5.8', :engine => 'jruby', :engine_version => '9.2.21.0'

The JRuby release notes can be found on the JRuby website.