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.
These notes contain all changes since the current stable SteamOS 3.7 release, with the new changes since the previous 3.8.3 Beta noted below
New in 3.8.4
Fixed a regression causing certain VRR-capable TVs to fail to work via a connected dock
Fixed a rare bug where switching to desktop mode may hang...