Note: This update is for the Steam Deck Preview channel, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel.

These notes contain all changes since the current stable SteamOS 3.7 release, with the changes added since the previous preview noted in bold

General

• \[[b]New in 3.8.1[/b]] Fixed a case where WiFi performance could become degraded until the device was put to sleep or manually reconnected

• \[[b]New in 3.8.1[/b]] Fixed excessive trackpad sensitivity on certain early Steam Deck LCD models

• Initial support for upcoming Steam Machine hardware

• Updated Arch system base

• Updated graphics driver with performance and stability fixes

• Fixed a case where per-app performance settings would intermittently fail to apply when launching a game

• Improved support for the screencasts in Game Mode (e.g. OBS/Discord)

• Fixed dropdown menus not appearing in some games

• Improved VRR frame pacing

• Fixed FSR badge remaining off in the performance overlay, even if it was actually active

• Improved support for games that attempt to open PDF files in external viewers

• Fixed an issue affecting certain titles (such as "SpongeBob SquarePants: Titans of the Tide") where the game window could have an incorrect position

• Fixed closing certain titles (such as "STAR WARS Jedi: Survivor™") and Starfield resulting in a session crash

• Improved support for certain USB racing wheels and USB devices that boot in a non-standard mode

  • Frequently these are devices that appear as USB storage devices with a driver installer, and must be switched to their normal mode by the OS

• Steam Deck controller firmware updates now display update progress on the splash screen

• Fixes issue on specific Steam Deck revisions where firmware updates could render the left controller inoperative for that session

• Numerous stability and security updates

Bluetooth

• Re-re-enable Bluetooth Wake for Steam Deck LCD

  • Fix for more spurious wake issues that were present in earlier attempts

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

• Increase suspend timeout for HDMI devices so initial audio isn't cut off after a few seconds of inactivity

• 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

  • For more information, see Plasma release announcements

    • https://kde.org/announcements/plasma/6/6.3.0/

    • https://kde.org/announcements/plasma/6/6.4.0/

• Keyboard layout and language are now obeying Game Mode settings

• Improved windowing behavior for games running in Proton

System Firmware

• Includes Steam Deck LCD BIOS v133

  • Security updates

  • Added "Memory Power Down" setup option

  • Preliminary support for hibernation

• Includes Steam Deck OLED BIOS v114

  • Security updates

  • Charging LED now changes color when charge limit is reached, rather than only at 100%

Non-Deck

• Improved compatibility with recent Intel and AMD platforms

• Greatly improved video memory management with discrete GPU platforms

• Fixed a compatibility issue with the SteamOS chainloader that could cause a boot failure on some desktop systems with recent UEFI firmware

• 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 - currently only accessible in Desktop Mode

• Added controller RGB LED color settings for the Lenovo 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

• Seamless boot fixes for Z2E and later AMD APUs

• Automatically handle internally rotated display for some third-party handhelds

• Improved motion control support for handhelds with BMI260 IMUs

• SD card reliability improvements for some third-party handhelds, including ASUS ROG Xbox Ally, Legion Go 1, Legion Go S, Legion Go 2, and MSI Claw

• Fixed washed out colors for Zotac and OneXPlayer handhelds with OLED

• Fixed some GPU hangs on Phoenix APU devices (Tales of Arise, Octopath Traveler II)

• Fixed ASUS ROG Ally power consumption from fingerprint reader while shut down

Developer

• Desktop Mode now uses Wayland by default

  • X11 support may still be selected via Steam developer settings, or via `steamosctl`

• Updated Linux kernel to 6.16

• Steam now uses steamos-manager to query available desktop sessions and trigger desktop session switching

• Added support for setting the desktop password in developer settings

• Initial support for running as a Virtual Machine guest (virtio guest drivers)

• Added support for third-party devices to trigger the SteamOS boot menu via EFI variable

• Added `custom-update` verb to `atomupd-manager` for easier testing of specific builds

• System reports now include more audio debug information

• Initial support for LAVD CPU scheduler via `steamosctl set-cpu-scheduler lavd`

We have just shipped an updated Steam Deck Client to the Preview/Beta channel.

General

• Fixed regression causing download items to shift to side when entries are dragged.

• Fixed regression launching games with custom environments set in launch options.

Steam Input

• Fixed regression causing Switch 2 controllers to not function correctly.

Abbiamo appena rilasciato un client di Steam Deck aggiornato nei canali Anteprima/Beta.

Registrazione del gioco

• Risolto il problema per cui il collegamento rapido della registrazione dei filmati istantanei non funzionava per giochi non di Steam quando si usava un gamepad.

Abbiamo appena rilasciato un client di Steam Deck aggiornato nei canali Anteprima/Beta.

Generali

• Risolti piccoli problemi di dimensionamento con il banner a scorrimento Giochi recenti.

Abbiamo appena rilasciato un client di Steam Deck aggiornato nei canali Anteprima/Beta.

Generali

• Aggiunta un'impostazione per abilitare l'opzione "Passa al desktop" nella schermata di accesso. La puoi trovare in Impostazioni > Sistema.

• Risolto un caso in cui la selezione del canale "Anteprima" poteva fallire senza indicazioni di errore.

Chat

• La chat di Steam è stata spostata nel menu di accesso rapido, per facilitarne l'utilizzo durante il gioco.

• Introdotta una nuova funzionalità di chat rapida per Steam Deck e la modalità Big Picture.

  • Durante una chat, tieni premuto il pulsante Visualizza per vedere le opzioni delle chat rapide.

  • Muovi la levetta e rilascia il pulsante Visualizza per inviare un messaggio di chat rapida.

  • Puoi modificare i messaggi di chat rapida in Impostazioni > Tastiera.

• Quando si scorre la cronologia della chat, il pulsante per riprodurre gli effetti della chat non sarà più selezionato.

• Corretto il bug che a volte impediva il caricamento della cronologia della chat quando si scorreva verso l'alto.