Posted by naruse on 25 Dec 2015 We are pleased to announce the release of Ruby 2.3.0. This is the first stable release of the Ruby 2.3 series. It introduces many new features, for example: A frozen string literal pragma is introduced. With Ruby 2.1, "str".freeze has been optimized to reduce object allocation. Ruby 2.3 introduces a new magic comment and command line option to freeze all string lite