the new 25.8.1 AMD Adrenalin drivers put FSR4 back on the game page for Darktide. It’s working but their work with the underlying FSR version in the live game isn’t settled since the Arbittes hotfix.
Also, there is now an AMD profile manager on github and you can add it to any game now, I added it to Helldivers 2 via this tool and it worked amazing:
