Ruby on Rails is transitioning to Git and GitHub, following the trend set by other high-profile projects such as Merb, RSpec, DataMapper, and Nu, highlighting the widespread industry shift towards these tools. Commenters, like AkitaOnRails, have noted that many are now catching up with Git, Git-svn, and GitHub, as evidenced by projects like Prototype, Scriptaculous, and Capistrano moving from Rails' SVN repository to GitHub. The excitement around this transition underscores the growing popularity and adoption of GitHub in the development community.