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.
Screen Reader
Fixed not interrupting speech when focus moves from settings button (e.g. Reader Rate) to settings slider with same name
Added "SteamOS Compatible" library tab on the Legion Go S.
Added in-game keyboard shortcuts to open the Main Menu and Quick Access Menu.
Default Main Menu hotkey: Shift+Tab
Default Quick Access Menu hotkey: Ctrl+Shift+Tab
Customizable in Settings->In Game
Improved steam client update installation speed. In some pathological cases this operation could take minutes to complete, when the expected completion time is seconds.
Reduced startup times for players with large numbers of non-Steam games added to the client.
Guided Tour now includes information about Parental Controls.
Fixed 'Factory Reset' failing if the 'Reset OS' option was selected.
Fixed an issue preventing some apps from installing on the Legion Go S.
Fixed zoom controller chord not working in the Steam Deck interface.
Fixed an error when displaying game details activity tab for a game that no friends have played but some friends have wishlisted.
Fixed the "Browse Local Files" option not working for non-Steam games (this is only available in desktop mode).
Fixed certain startup movies not playing correctly.
Desktop Mode
Fixed main client window being focused for certain kinds of links opened from chat windows.
Fixed main client window ordering above some modal dialogs when clicked (e.g. cloud file conflict dialogs).
Steam Input
Added the ability to bind the paddles and L4/R4 buttons on the 8BitDo Ultimate 2 Wireless Controller when connected via Bluetooth.
Added the ability to bind the paddles on the 8BitDo Pro 2 Controller when in DirectInput mode.
Added the ability to bind the paddles and C/Z buttons on the FlyDigi Vader series controllers.
Added the ability to bind the paddles on the FlyDigi Apex series controllers.
Fixed input when using the latest firmware for the Mayflash GameCube adapter.
Fixed gyro calibration system rejecting noisy accelerometers too readily.
Fixed gyro and accelerometer noise meters using the wrong scale.
Fixed calibration wizard not advancing between stages on Lenovo/Ally.
Fixed missing glyphs for the Lenovo Legion Go S in Steam Input API games using the TranslateOrigin function, ex: Marvel's Spider-Man Remastered.
Fixed templates not showing up in the template tab of the choose binding dialog for Legion Go S devices.
Fixed thumbstick centering range for Nintendo Switch Pro controllers.
Fixed input in Ratchet and Clank for Legion Go S.
Fix glyphs for the Legion Go S the Last of Us: Part 2.
Remote Play
Improved audio resilience to variable network conditions.
SteamOS
For non-Steam Deck devices running SteamOS (like the Legion Go S), controller support icons are now displayed on game capsules next to SteamOS Compatibility.