Darkest Dungeon 2 Gets Full Steam Deck Support in New Update - Steam Deck HQ
steamdeckhq.com
A new update to Darkest Dungeon 2 has fully added Steam Deck and controller support, as well as brand new content!

New update adds controller support, fixes performance problems in some areas, and added some other new content. The game is now Steam Deck Verified.

Full patch notes are available here.