The latest update for the Steam Deck, Steam OS Stable channel has been released making version 3.4.8 with some minor updates to fix 2 fantastic games.
From the release notes:
Updated graphics driver with a fix for a GPU crash in Splitgate
Updated the graphics driver with performance improvements for STAR WARS Jedi: Survivor
This should bring the Jedi Survivor updates that we saw on the beta channel over to the Stable channel which makes the game much more playable, you can check out our gameplay and settings for the latest Jedi Survivor update below