[jeeyoungk]

Yes; Ubuntu did this from the beginning; (6.06 is the first I've used, and I still remember _when_ I used it), Python's introducing CalVer too (aptly numbered PEP https://peps.python.org/pep-2026/)

[Kwpolska]

That PEP has been rejected.

[jeeyoungk]

ah TIL! I only read it when it was first proposed.