Upgrading to Rails 2.3 with Git 17th Mar 2009 by Oliver Legg So with the release of Rails 2.3 hot off the presses, it is time to start upgrading some of our rails applications. While the process has got much easier since the 0.x days, some files still need to be updated in the application itself. To help with the upgrade path the rails command prompts you to overwrite, keep or diff with the latest