SteamOS 3.8.10 steht ab sofort für alle Nutzer auf Steam bereit. Das Major-Update bringt KDE Plasma 6.4.3, den Linux-Kernel 6.16, ersten Support für kommende Steam-Machine-Hardware sowie zahlreiche Verbesserungen für Handhelds und den Steam Deck.

Besonders hervorzuheben: Der Desktop-Modus wechselt standardmäßig auf Wayland, die Controller-Eingangslatenz für Handhelds wurde von 5-8 ms auf 100-500 µs drastisch reduziert, und es gibt vorläufige HDMI-VRR-Unterstützung. Neu hinzugekommen ist außerdem Support für den Lenovo Legion Go 2, ASUS ROG Xbox Ally und weitere Geräte der MSI Claw- und OneXPlayer-Serie.

SteamOS 3.8.10 has just been released for all users with the following changes:

These notes contain all changes since the previous SteamOS 3.7 stable release.

General

• Updated Arch system base
• Initial support for upcoming Steam Machine hardware
• Added support for waking from sleep via connected Steam Controller
• Substantially improved speed of future OS updates on high-speed connections
• Improved support for screen casting in Game Mode (e.g. OBS/Discord)
• Fixed dropdown menus not appearing in some games
• Fixed excessive trackpad sensitivity on certain early Steam Deck LCD models
• Improved support for games that attempt to open PDF files in external viewers
• Fixed an issue where video output could become frozen while using Remote Play
• Fixed a possible session crash when using Game Recording with certain “Maximum video height” settings
• Fixed closing certain titles (such as “STAR WARS Jedi: Survivor™” and Starfield) resulting in a session crash
• Steam Deck controller firmware updates now display update progress on the splash screen
• Numerous stability and security updates

Display / Performance

• Updated graphics driver with performance and stability fixes
• Added preliminary support for HDMI VRR for devices with native HDMI output
• Fixed an issue where “Allow Tearing” wouldn’t have the intended effect in certain configurations
• Improved VRR frame pacing
• Fixed FSR badge remaining off in the performance overlay, even if it was actually active
• Added missing graphics features needed for titles such as “Crimson Desert”

Bluetooth / WiFi

• Fixed a case where WiFi performance could become degraded until the device was put to sleep or manually reconnected
• Re-re-enable Bluetooth Wake for Steam Deck LCD

Audio

• Detect HDMI channel count and expose surround configuration if available
• Add a setting to allow using Bluetooth headset mics (Bluetooth playback quality will be worse while capture is active)
• Restore internal audio device on reboot if set to “Off” in desktop mode
• Fixed a bug with switching input devices when a wired headset is plugged in
• Fixed an issue where audio underruns could be experienced after sleep/resume

Accessibility

• Added an option to force mono audio output

Desktop Mode

• KDE Plasma updated to version 6.4.3 from 6.2.5, and now uses Wayland by default
• Fixes several cases of reduced performance in Desktop Mode compared to Game Mode
• Improved support for rotated displays
• Better scale factor out of the box on TVs
• Adds support for external HDR displays
• Adds support for VRR displays
• Adds support per-display scale factor
• Keyboard layout and language are now obeying Game Mode settings
• Improved windowing behavior for games running in Proton
• Fixed Desktop Mode night color settings inappropriately remaining active when switching back to Game Mode

System Firmware

• Includes Steam Deck LCD BIOS v133: Security updates, Preliminary support for hibernation
• Includes Steam Deck OLED BIOS v114: Security updates, Charging LED now changes color when charge limit is reached

Non-Deck

• Improved compatibility with recent Intel and AMD platforms
• Greatly improved video memory management on discrete GPU platforms
• Power button short and long presses now supported across a wide variety of devices
• Improved controller support for OneXPlayer F1 series, GPD Win 5, GPD Win Mini, Anbernic Win600, OrangePi NEO, and Lenovo Legion Go
• Added controller support for OneXPlayer X1 series and Lenovo Legion Go 2
• Added system and controller firmware update support for the Lenovo Legion Go 2
• Added preliminary charge limiting support for Legion Go, Legion Go S, and Legion Go 2
• Added controller, TDP control, and speaker audio support for the ASUS ROG Xbox Ally series
• Reduced handheld controller input latency from 5-8ms to 100-500us
• Night mode, color vibrance, and color temperature sliders in Steam now work on Z2E and later AMD APUs
• SD card reliability improvements for some third-party handhelds
• Add controller support for MSI Claw devices (A1M, 7 AI+ A2VM, 8 AI+ A2VM, A8 BZ2EM)
• Add controller support for OneXPlayer APEX and X1 series

Developer

• Desktop Mode now uses Wayland by default
• Updated Linux kernel to 6.16
• Initial support for running as a Virtual Machine guest (virtio guest drivers)
• Initial support for LAVD CPU scheduler via steamosctl set-cpu-scheduler lavd