Every time a new Rails major ships, the same question churns through blog posts, reddit, and internal Slack channels: what is the minimum Ruby version? And the internet, being the internet, produces several confident but contradictory answers.

This post explains the precise minimum, the recommended version, and why the answer you find on the internet is often one version off.

https://railsfever.com/blog/minimum-ruby-version-for-rails-8/