Note: This update is for the Steam Deck Preview channel, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.
General
Added support for Steam Deck OLED
Removed spurious splash screen during reboot and shutdown
Desktop Mode
Fixed a case where the desktop could be empty and apps would fail to launch.
Fixed a bug where switching to the Plasma Desktop transition could result in broken colors.