Posted by naruse on 20 Jun 2016 We are pleased to announce the release of Ruby 2.4.0-preview1. Ruby 2.4.0-preview1 is the first preview of Ruby 2.4.0. This preview1 is released earlier than usual because it includes so many new features and improvements. Feel free to send feedback since you can still change the features. Unify Fixnum and Bignum into Integer Though ISO/IEC 30170:2012 doesn’t specif