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.

General

* Fixed a WiFi regression with Steam Deck OLED

* Disabled experimental support for Wake-on-Bluetooth for Steam Deck LCD while issues with spurious wake-ups are being investigated

* Fixed a bug where visual corruption could occur with Sharp upscaling with HDR/10-bit applications when interacting with the overlay

* Fixed an issue where the cursor would not be visible in the bottom-right quadrant of the screen when using the magnifier

* Fixed cursor having a line of visual corruption when using Sharp upscaling in certain instances

* Fixed certain overlay key bindings involving Shift, the Super key, Right Alt, or Return/Enter not being able to be triggered

* Fixed input being passed to applications when overlay key bindings are invoked

* Fixed OBS Studio not working with the streaming output provided by gamescope

* Fixed an issue where clicking mailto: links sometimes didn't display the right error

Audio

* Fixed an issue where volume keys would sometimes not properly adjust the volume of the 3.5mm audio connector

* Fixed a SteamOS 3.6 regression causing audio glitches in God of War: Ragnarok

Accessibility

* Added support for optional color filters

* Added Orca screen reader and espeak-ng text-to-speech tools

* Fixed the magnifier producing the correct scale and offset when Sharp upscaling was used

Non-Deck

* Fixed an issue where the Legion Go S with SteamOS could lose trackpad functionality after sleep

* Added power button support for some AYANEO, AYN, GPD, MSI, ONEXPLAYER, and OrangePi platforms

• 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

See also: https://www.buildaballot.org.au/

The questions there are a little biased but the results were generally in line with how I'd vote.

tl;dr A scheduler for GPU tasks, much like those for CPU and I/O. Should help with running multiple tasks using the GPU at the same time (including the UI).