[STEAM][DECK]SteamOS 3.6.0 Preview: Remote-Controlled

[Steam 0]

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 more recent Arch Linux base
  
• Improved pairing experience with Apple AirPods
  
• Improved session recovery speed after GPU crashes
  
• Fixed some connectivity failures with access points supporting WPA3 security
  
• Updated Linux kernel to version 6.5
  
• Improved speed of subsequent OS updates
  
• Improved reliability of certain microSD card usage scenarios
  
• Fixed game session cursor offset alignment
  
• Worked around misdetection of some SanDisk microSD cards
  
• Fixed an issue where a thin grey line could appear at the bottom of the screen during boot in some situations
  
• Fixed an issue causing temporary files to accrue when using Flatpak
  
• Enabled support for Bluetooth A2DP and BAP profiles
  
• Improved connection speed of some Bluetooth devices
  
• Improved performance and stability in memory pressure situations
  
• Fixed an issue where the Performance Overlay would spuriously enable itself under certain conditions
  
• Added mechanism to configure which Bluetooth device categories are allowed to wake the system from suspend
  • By default, controllers are the only devices that can wake the system from sleep
    
  • Finer-grained UI configuration options will be available as part of a future update

Display

• Improved display uniformity, under some conditions (Mura Compensation)
  
• Improved display ****** balance (reduced green tint) at lower brightness levels, under some conditions
  
• Improved gamma uniformity (yellow tint), under some conditions

Graphics and Performance

• Updated graphics driver to Mesa 24.1, with many performance and correctness improvements
  
• Improved responsiveness of the Steam UI

Desktop Mode

• Updated to KDE Plasma 5.27.10
  
• Enabled thumbnail previews for videos in the file browser
  
• Fixed an issue with desktop use that could cause subsequent microSD card auto-mount to fail

Deck Dock

• Added support for some HDMI CEC features:
  • TV remote input
    
  • TV wake up
    
  • TV input switching
• Updated Dock firmware, with compatibility fixes for high-refresh-rate VRR displays

BIOS

• Added overclocking controls on Steam Deck LCD
  
• Fixed not being able to set the SDCard as default boot device
  
• Adjusted power LED slow charging threshold
  
• Fixed spurious power LED blinking in S5

Development and Modding

• Modified files in /etc are now migrated to new OS versions based on a whitelist
  • Fixes numerous issues with incidentally touched /etc files becoming 'sticky' and persisting unexpectedly
    
  • Additional whitelist entries can be added via config fragments
    • See /etc/atomic-update.conf.d/example-additional-keep-list.conf
  • Added /etc/previous/ containing modifications from the previous update to prevent unexpected data loss
    • Up to five previous snaphots of /etc modifications will additionally be retained in /var/lib/steamos-atomupd/etc_backup/
• Added support for {ssh,sshd}_config fragments

Known Issues

• Frequent session switches can result in the sound driver crashing, needing a system reboot

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