Today [version 2.0.0 of Ruby has been released] (http://www.ruby-lang.org/en/news/2013/02/24/ruby-2-0-0-p0-is-released/).

Ruby 2.0.0 is the first stable release of the Ruby 2.0 series, with many new features and improvements in response to the increasingly diverse and expanding demands for Ruby.

Read more about the [new core language features] (http://blog.marc-andre.ca/2013/02/23/ruby-2-by-example/).