I made this report to second the one above me from 4 days ago, and I am happy to say as a Linux Nvidia GPU user that Sonic Frontiers isn't being chunky anymore. When I first played this title on release there was an area in Ares Island (The one where you serpentine across the green paths between the canyon walls) that would make the game crash as well as mission 040 so I had to use my steam deck to progress. But now its been fixed after a recent nvidia driver update so I reinstalled the game on my Desktop, went back to that general area, and experienced no crashing whatsoever or any weird graphical oddities to speak of.

Ended up beating the Knight Titan as of the time of writing and had alot of fun doing it. Can't wait to finish this game.