We have just shipped an updated Steam Deck Client to the Preview/Beta channel.
General
Discovery Queue: Smoothed out user experience and brought up to date with recent changes to web version.
Fixed brightness slider (HDR) in Quick Access Menu
Steam Input
Added Nintendo Switch controller configurations to the options shown by default for the Wireless HORIPAD for Steam so that gyro configurations are more easily found
Fixed an issue where previewing a configuration, then editing your original configuration could corrupt it
Made the "Choose a Configuration" page remember which tab you were on when returning from previewing a configuration
Made the "Choose a Configuration" page remember the setting to show/hide configurations from other controller types
Fixed a crash in Drill Core when Steam Input is enabled with a gamepad config