New rails major and minor versions commonly lock the ruby version to a mature recent release, though this is not always intuitive. I can see a number of compan

New rails major and minor versions commonly lock the ruby version to a mature recent release, though this is not always intuitive. I can see a number of companies sticking on Ruby 2.2 because you can happily upgrade Rails from 3.2 to 5.2 while only changing to a minor bugfix release of 2.2.10. Rails 6 locks in at 2.5.0 which was over a year old at the time of the Rails 6 release. https://stackoverflow.com/questions/9087116/which-ruby-on-rails-is-compatible-with-which-ruby-version https://stackoverflow.com/questions/9087116/which-ruby-on-ra...