Actually, Ruby used to follows the "unstable odd, stable even" versioning scheme but they seems to quit doing that since 1.9.1 (since both 1.9.1 and 1.9.2 are d

Actually, Ruby used to follows the "unstable odd, stable even" versioning scheme but they seems to quit doing that since 1.9.1 (since both 1.9.1 and 1.9.2 are declared stable[1]) [1]: http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/326276 http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/... EDIT: provide a source about Ruby 1.9.1