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.

General

  • Updated to a newer Arch Linux base

  • Updated the Linux kernel to 6.11

  • Updated the Mesa graphics driver base

  • Desktop mode now ships with Plasma 6.2.5

  • Beginnings of support for non-Steam Deck handhelds

Controllers and Input

  • Add support for the Proteus Byowave controller

  • Fixed an issue where Switch Pro Controller gyros might not work on first connection

  • Fixed an issue with stuck/hanging controller inputs when exiting Steam

Bluetooth

  • Fixed Bluetooth devices still being able to wake the Steam Deck from suspend, even when Bluetooth was disabled from Desktop mode

  • Enable HFP/HSP profiles, to allow using the integrated microphone from headsets and earbuds

    • Currently only available to select in Desktop mode

  • Added battery level display for supported Bluetooth devices

  • Include a bugfix for the Airpods when using the AAC codec

  • Bluetooth controllers can now wake LCD units from sleep, previously only available on OLED models

    • Known issue: Bluetooth LE based controllers are not currently compatible with bluetooth wake on LCD models

Steam Deck Dock

  • Made compatibility improvements for certain displays including TCL FireTV models and Dell VRR capable monitors

Graphics and Performance

  • Enabled AMD P-State CPU frequency control

  • Fixed a performance regression for No Rest for the Wicked

Desktop

  • Updated to Plasma 6.2.5 (previously 5.27.10) – see the big changes in Plasma 6 here

  • Surround sound now works correctly

    • Enabling the setting is currently only available via Desktop mode

  • KDE Filelight is now installed by default for disk usage visualization and low disk space notifications

  • Speed and robustness improvements when switching between desktop and game mode

    • Fixed a common cause of hangs when switching to desktop mode

    • Fixed some cases where Steam could take up to ninety seconds to exit on shutdown or switch to desktop

  • Added ‘gocryptfs’ support to desktop session to enable use of the Plasma Vaults feature

Misc

  • Fixed some cases where “filter-chain” or other virtual sound devices would erroneously appear in the UI

  • Fixed cases where applying system updates could fail if certain configuration files were corrupted or malformed

  • Various enhancements to System Report functionality for support and troubleshooting

  • Fixed compatibility issue with certain DNS servers causing very slow domain lookups

  • Improved responsiveness of system when running into out-of-memory crash situations

  • Enabled IPv6 Privacy Extensions by default

Known Issues

  • Creative Zen Air Pro earbuds display an unexpected all-zeros entry under the “Show all devices” section when pairing

  • Super NES controllers can erroneously show up as connected when they are not

  • DualShock 3 controllers are currently not able to be paired or used

Developer

  • Updated to a 6.11 based kernel

  • Added debuginfod URLs for SteamOS

  • Added systemd .socket units to the default list of /etc files preserved across updates

  • When running in a VM, system will now default to the desktop session

  • Swap file setup now uses standard ‘mkswap’ functionality instead of shipping an ad-hoc ‘mkswapfile’ script

  • The steamos-readonly command now warns that the status might not be accurate when sysexts are loaded

  • Fixed a case that could introduce duplicate boot entries for devices manually setup to dual-boot

  • The pacman cache is now cleaned after applying a SteamOS update

    • Fixes stale cache errors working with pacman after switching branches

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