While it can be disregarded just as major update CS2 is formally 2023.

Dota is live service game, getting major patches each year. Patch notes for version released 3 months ago: https://liquipedia.net/dota2/Version_7.41 I don't think there's any reason for Dota 3, ever. Any change could be just a patch.

Both of those games are live services games. They're not just getting some occasional bug fixes, they get big content updates.