Re:Ask HN: Are you satisfied with Elixir or do you regret ch...
by joelbluminator on Thursday May 20, 2021 @01:01AM
(#27217566)
It says right in your link "Many years ago, we ran GitHub on a fork of Ruby (and Rails!) and while that hasn’t been the case for some time".
So that was a long time ago, what is your point?
https://github.blog/2020-08-25-upgrading-github-to-ruby-2-7/