Documentation Development Web Beat
Ruby on Rails 4.0
Fedora 20 includes version 4.0 of the popular Ruby on Rails web framework. This latest release includes improved functionality, speed, and security in addition to better modularization.
Documentation for Ruby on Rails 4.0 can be found at http://weblog.rubyonrails.org/2013/6/25/Rails-4-0-final/ and http://api.rubyonrails.org/ .