Note: This update is for the Steam Deck Beta and Preview channels, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.
The Steam Client Beta has been updated with the following changes:
General- Fix the "Processing Shaders" dialog flashing when launching a game.
- Fix manual GPU clocks not getting applied when launching a game.
- Fix screenshot notifications not showing up when a screenshot is taken.