[MarcellusDrum]

Half-Life Alyx, Dota 2, Steam Deck, Index, Proton, CS:GO (released same year as this handbook), and not to mention still dominating with Steam despite the competiton spending hundreds of millions of dollars to not even make a dip in their marketshare.

[natebc]

Counter-strike 2 was also just recently released.

https://en.wikipedia.org/wiki/Counter-Strike_2

[Ekaros]

Well, I would categorize that more to major version update than actually new release. Say like new Linux LTS release. Lot of things changed even very deep, but it is basically largely same work.