VKD3D-Proton 2.11 Enables DXR By Default, Improves Performance in Halo Infinite by 15%

Starfield also gets some small performance gains.
You Can Now Run DirectX 8 Titles Directly through GE-Proton

Plus fixes for Fable III and a few other games.
SteamOS 3.5.5: The Biggest Steam Deck Update of the Year!

Display color adjustments, HDR, VRR, undervolting controls, updated Arch base…
Steam Deck Client Update Adds Visual Tweaks to UI, HDR Badges for Supported Games

Plus easier toggling of Steam Input being on or off.
Steam Deck Client Update Allows You to See Shader Cache Size, Adds Low Latency Option for Streaming

Plus support for the PowerA Switch Nano gamepad.
Proton Experimental Adds Compatibility to Burnout Paradise Remastered, Supports Two New Flightsticks

Along with fixes for Forza Horizon 5 and Cyberpunk 2077.
GE-Proton8-17 Fixes Rainbow Six Siege, Alan Wake

Batman Arkham Asylum and The Song of Saya also get Protonfixes.
Proton Experimental Fixes Online Multiplayer with Tony Hawk’s Pro Skater 1 + 2, Fixes Halo Infinite on Deck

Mostly bug fixes with this week’s update.
Proton 8.0-4 Adds Compatibility to Star Wars: KOTOR II, Fixes Overwatch 2 and EA Desktop App

Plus NVAPI support for nearly two dozen titles and bug fixes for a dozen more!
Proton Experimental Adds Compatibility to Red Tie Runner, Fixes Photo Saving Bug in Starfield

Crashes in games with “too many audio devices connected” should no longer be a thing either.