jRuby.org is announcing that JRuby with version number 9.0.4.0 is already available to download.
What is JRuby ?
JRuby is .
JRuby allows Java developers to embed the Ruby interpreter in any Java application with dual access for both Java and Ruby scripts. JRuby is platform independent and has built-in support for Rails, RSpec, Rake, and the RubyGems frameworks. JRuby has slowly evolved from 2001 to become a stable development environment, being initially developed at Sun, then at Engine Yard, and now at Red Hat.
This is changelog for JRuby version 9.0.4.0 :
You can read the complete changelog and also download this latest version on their homepage: www.jruby.org