> Do they still do that?

Yes. I know its more than firefox, but I don't have the full list. On 24.04:

  me@comp:~$ apt info firefox | head -n 5
  
  WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
  
  Package: firefox
  Version: 1:1snap1-0ubuntu7
  Priority: optional
  Section: web
  Origin: Ubuntu
  me@comp:~$