Source is this video:
Windows Was The Problem All Along - Dave2D
We could obviously compare performance between windows and steamOS before on the steam deck, or between windows and Bazzite on other handhelds. But this is the first time we have had official windows and SteamOS builds for the same hardware.
I’m still waiting for games with big anticheats to run on Linux. Until I can play Fortnite with my nephew on Linux I won’t swap over.
Unfortunately the Epic CEO is explicitly blocking Linux. Fortnite runs, but he doesn’t like Linux.