While it's been coming for a long time, it's still frustrating to see the cgi module go. It's going to create a load of busy work to rewrite some low-traffic scripts.
Modules being removed [edit: in 3.13]: https://docs.python.org/dev/whatsnew/3.12.html#pending-remov...
Updating CGI scripts will be a bit fiddly: https://peps.python.org/pep-0594/#cgi