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

General

• Fixed a case where the steamwebhelper process could experience high CPU usage when certain events were shown in the library tab.

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

Note: This client was re-released September 6th with the following additional changes:

• Fixed a case where the steamwebhelper process could experience high CPU usage when certain events were shown in the library tab.

General

• Allow changing account while a game is running. In this case, the change account dialog shows a warning that proceeding will close active games.

• Added "Ask which account to use on startup" toggle to startup account chooser.

• Eliminated "change account" confirmation dialog in most cases. Changing account while Steam is running now brings up the account chooser directly, then restarts as the chosen account.

• Steam shutdown now waits for just-exited games to finish cloud sync.

• In the Web Browser, the left trackpad of Steam Deck/Steam Controller is now bound to scroll wheel for navigating non-Steam websites.

• Fixed issues where some Steam Workshop items were not being updated properly.

• Fixed requesting a PIN reset while signed in as a different account restarting with the wrong account signed in.

• Fixed a bug where a single pixel line would sometimes appear above the header on the home screen.

• Fixed a issue where sometimes uninstalling a game would not remove it from the download queue.

• Fixed a crash when suspending/resuming a device after a controller disconnected.

Desktop Mode

• Fixed some keys not typing properly in Steam Overlay.

Friends & Chat

• Chat messages with suspicious content will now be flagged in group chats. You can report the messages, block the sender, or dismiss the warning by activating the notice.

Steam Input

• Make controller configurations that are shared with other devices or unique to a device more clear in the configurator UI and add an option to split Steam Controller configurations so they are no longer shared with Steam Deck.

Remote Play

• Improved video color range.

• Added support for HDR streaming on Steam Deck OLED.

• Added support for AV1 video streaming when using the experimental SteamRT3 Steam Client.

• Fixed a case where streaming could show a black window.

• Fixed a bug where Remote Devices with Remote Play enabled weren't showing as Streamable.

• Fixed video frame being clipped when desktop scaling is enabled.

• Fixed framerate drop when using the unlimited bandwidth option when streaming from Steam Deck or Steam Machine.

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

Friends & Chat

• Chat messages with suspicious content will now be flagged in group chats. You can report the messages, block the sender, or dismiss the warning by activating the notice.

Steam Input

• Fixed a crash opening some Nintendo Switch Pro controllers.

Remote Play

• Fixed a bug where very high bitrate streams stopped sending video frames.

• Fixed video frame being clipped when desktop scaling is enabled.

• Fixed framerate drop when using the unlimited bandwidth option when streaming from Steam Deck or Steam Machine.

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.

Note on Preview Releases

This is an early Preview build of SteamOS 3.9, and may contain unexpected bugs or stability issues. If you encounter problems, please consider filing a bug on the SteamOS issue tracker.

The following notes are an overview, and may not include all changes since the previous SteamOS 3.8 Stable Release.

General

• Updated Arch Linux base

• Updated Desktop Mode from Plasma 6.4.3 to Plasma 6.7.3

  • For more information, see
    https://kde.org/announcements/plasma/6/6.7.0/
    https://kde.org/announcements/plasma/6/6.6.0/
    https://kde.org/announcements/plasma/6/6.5.0/

Misc

• Updated the bootloader to improve compatibility with certain motherboards

• The Desktop Mode lockscreen is no longer prevented from being explicitly enabled in settings (but remains off by default)

Developer

• Switched WiFi backend to wpa_supplicant by default for new installations, improving compatibility with various WiFi networks

  • Enhanced wpa_supplicant to support fast WiFi reconnect on resume from sleep, previously only available in the iwd backend

  • Known issue: Existing installations will continue to use iwd unless manually enabled in Developer Settings

• Linux kernel rebased on Linux 7.2

• Added preliminary support for hibernation, not yet exposed in Game Mode UI

  • Enhanced Linux kernel hibernation support to enable interrupting hibernate requests and fixed various driver issues

• Various scripts and packages have been renamed from `steamos-` to `holo-`, with aliases to the former names where appropriate

• Improved support for running SteamOS as a VM guest with accelerated graphics (virtio-gpu, venus)

This update is for the SteamOS 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 an issue present in previous beta builds causing degraded performance in some cases when composition is required (such as when having FSR enabled)

• Fixed Firefox in Desktop Mode sometimes freezing when fullscreen

• Worked around an issue where Unreal Engine 5 VR games could display a blank right eye

• Fixed Bluetooth instability with Nintendo Switch Pro (v1) controller

• Fixed Desktop Mode allowing resolutions below 640x480 on certain displays, rendering it unusable

• Fixed a regression from previous beta breaking WiFi connectivity on the MSI Claw A1M

• Fixed issues with battery display on Lenovo Legion Go models

• Fixed a bug where the MSI Claw would freeze on resume if an SD card was present during suspend and resume

• Fixed a bug where the system would freeze on resume if an SD card was removed while suspended