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.

These notes contain all changes since the current stable SteamOS 3.7 release, with the new changes since the previous 3.8.2 Beta noted below

New in 3.8.3

• Fixed a regression causing the Steam on-screen keyboard in desktop mode to produce the wrong keys in certain IME modes

• Substantially improved speed of future OS updates on high-speed connections

• Added missing graphics features needed for titles such as "Crimson Desert"

• Fixed a regression causing crashes in certain titles (such as "Sushi Ben")

• Fixed multiple regressions causing crashes in desktop mode

• Fixed a regression causing the Steam overlay to malfunction while streaming

• Fixed spurious wake-ups when using a Logitech Bolt receiver

• Improved support for upcoming Steam Controller hardware

• Even more support for upcoming Steam Machine hardware

• Even more security and stability updates

General

• Fixed a case where WiFi performance could become degraded until the device was put to sleep or manually reconnected

• 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

• Fixed trackpad losing functionality after sleep/resume on the Legion Go

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

• Added setting to enable or disable controller connect/disconnect notifications.

• Fixed issue that could cause three controller connect/disconnect notifications at startup.

SteamOS 3.7.22 has just been released for all users with the following changes:

General

• Security and stability updates

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

General

• Added popup message when a controller connects or disconnects.

• Improved the Add A Controller user interface

We have just shipped an updated Steam Deck Client to the Stable channel.

General

• Added a setting to enable 'Switch To Desktop' in the login screen. It can be found in System Settings.

• Added a low battery level toast for wireless gamepads.

• Added a battery indicator to the header for wireless gamepads.

• Updated the Store main menu option to navigate to the Steam Store home page instead of the Great On Deck hub.

• Improved compatibility with WiFi captive portals.

• Improved client performance when there are many unread account notifications pending.

• Fixed a case where opting into the 'Preview' channel could silently fail.

• Fixed subtle sizing issues with the Recently Played carousel.

• Fixed the Voice chat tab of the QAM not being hidden after exiting all active voice chats.

• Fixed spell check not working in certain browser views.

Chat

• Moved Steam chat into the quick access menu, making it easier to access while in-game.

• Introduced new quick chat feature for Steam Deck and Big Picture Mode.

  • When in a chat, press and hold the view button to bring up quick chat options.

  • Move thumbstick and release view button to send a quick chat.

  • Quick chats can be edited in Settings > Keyboard.

• Focus will no longer jump to room effect replay buttons when scrolling through chat history.

• Fixed a bug that would sometimes prevent chat history from loading when scrolling up.

Downloads

• Added Remote Downloads Management. This allows you to manage downloads on Remote Steam Clients from the downloads page. You can select different clients by pressing Y on the downloads page.

  • The App Details page now has the same options and statuses for remote clients as the local client.

  • Both the local and remote clients must be updated to enable this feature.

Game Recording

• Fixed the instant clip shortcut not working for non-Steam games when using a gamepad.

• Fixed a bug which affected taking a screenshot from a game recording clip.

Remote Play

• Added feedback if capture can't be started on the remote computer.

Cloud

• Fixed an issue which could lead to data loss when uninstalling, reinstalling, and playing a game without restarting the client in between.

Steam Input

• Revised controller settings to reduce clutter and to make them work better with gamepads.

• Changed controller settings to use a menu and details structure instead of tabs to list the connected controllers.

• Fixed a case where radial menus would fail to dismiss after releasing the joystick on Steam Deck.

• Fixed a case where the controller calibration screen could fail to load the correct values the first time it is opened.