Via [the Steam Community](https://steamcommunity.com/games/1675200/announcements/detail/4676514574283544995): >SteamOS 3.6.19 has been released...
This is an automated archive made by the Lemmit Bot.

The original was posted on /r/steamdeck by /u/wickedplayer494 on 2024-10-24 01:07:18+00:00.

Via the Steam Community:

SteamOS 3.6.19 has been released to the Stable channel for Deck with the following changes:

General

  • Updated to a more recent Arch Linux base, and updated Linux kernel to version 6.5
    • These updates improve hardware compatibility, system performance, security, and overall system stability
  • Improved speed of subsequent OS updates
  • Improved reliability of certain microSD card usage scenarios
  • Worked around misdetection of some SanDisk microSD cards
  • Improved responsiveness of session restart in case of session crashes caused by certain GPU errors
  • Fixed an issue where certain games could crash with a ‘page allocation failure’ after a long play session
  • Improved recovery from situations where the Steam installation could get corrupted
  • Fixed some connectivity failures with access points supporting WPA3 security
  • Fixed a problem where Steam Deck would be unable to connect to certain Wi-Fi 7 access points
  • Fixed game session cursor offset alignment
  • Fixed an issue where a thin grey line could appear at the bottom of the screen during boot in some situations
  • Fixed an issue where the Performance Overlay would spuriously enable itself under certain conditions
  • Fixed an issue preventing sleep on some types of aftermarket SSDs
  • Fixed an issue preventing update checks from working properly on networks with an invalid IPv6 configuration
  • Fixed an issue where touching the left trackpad after sleep could result in a spurious haptic click
  • Fixed a general issue affecting OLED units on 3.5, causing a slow memory leak during gameplay
  • Fixed an issue causing a “Update Error” message when attempting to interact with the update menu on the ‘Preview’ update channel.
  • Fixed the frame limiter not properly applying in certain situations
  • Fixed an issue where block corruption could appear on screen on certain state transitions
  • Fixed an issue where updating the built-in controller firmware could result in a blank screen during boot
  • Fixed a rare issue where sound output could be corrupted on certain boots
  • Fixed a rare issue where 3.5mm headphones could produce elevated background noise on reconnection until next sleep/resume
  • Fixed an issue where updates would sometimes be applied incorrectly if the unit was powered off abruptly near the end of an OS update
  • Fixed an issue with copy-pasting UTF-8 text across applications
  • Fixed a problem where a Game Recording capture failing could cause subsequent captures to also fail
  • Fixed a crash when using the magnifier tool while game recording is active
  • Fixed colorspace for Game Recording
  • Fixed an issue where colors could appear washed out when using Steam Remote Play as a client
  • Fixed a possible crash when using Steam Deck as the Remote Play host
  • Fixed an issue that could cause videos to stutter in titles such as BlazBlue Centralfiction
  • Fixed an issue with a rare session crash during early startup of ELDEN RING
  • Fixed display regressions with certain titles such as Warriors All-Stars, Disgaea 5 Complete, Vampire: The Masquerade - Reckoning of New York
  • Worked around a bug where HDR couldn’t be selected in Halo Infinite
  • Fixed an issue causing temporary files to accrue when using Flatpak
  • Security fix for Flatpak (CVE-2024-42472)

Graphics and Performance

  • Updated graphics driver to Mesa 24.1, with many performance and other improvements
  • Improved responsiveness of the Steam UI
  • Improved performance and stability in memory pressure situations
  • Slightly improved cold boot time

Display

  • Improved display uniformity, under some conditions (Mura Compensation)
  • Improved display color balance (reduced green tint) at lower brightness levels, under some conditions
  • Improved gamma uniformity (yellow tint), under some conditions
  • Fixed certain specific refresh rates failing to apply on the OLED Limited Edition model
  • Fixed an issue where the internal display could remain blank after disconnecting an external display
  • Fixed an issue where internal display could be abnormally limited to a lower frame rate after disconnecting an external display with VRR enabled
  • Fixed rare situations where switching to Desktop Mode or back could result in a blank screen, or wrong colors

External Display

  • Fixed several issues where an external display could remain blank after resuming
  • Fixed an issue where an external display could remain blank if its mode required chroma subsampling
  • Fixed an issue where the system could crash on wakeup if an external DisplayPort monitor was connected
  • Fixed a system crash when hotplugging a second display in Desktop mode
  • Improved frame pacing with VRR on external displays

Bluetooth

  • Improved pairing experience with Apple AirPods
  • Enabled support for Bluetooth HFP and BAP profiles
  • 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
  • Improved connection speed of some Bluetooth devices
  • Fixed an issue where Bluetooth peripherals would disconnect on session switch

Input

  • Added support for extra ROG Ally keys
  • Added support for the ASUS ROG Raikiri Pro controller
  • Added support for the Machenike G5 Pro controller
  • Added support for the Steam Deck motion sensors to the built-in non-Steam kernel driver
  • Fixed an issue where scroll wheel Steam Input bindings weren’t functional
  • Fixed an issue where DualShock 4 and DualSense controllers would sometimes not function properly on their first connection
  • Fixed calibration on some third-party DualShock 4 controllers

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
  • Fixed Zenity dialog boxes
  • Fixed nested desktop crashing on launch

BIOS / Firmware

  • Adjusted power LED slow charging threshold
  • Fixed not being able to set the SDCard as default boot device
  • Fixed spurious power LED blinking in S5
  • Steam Deck OLED only
    • Added support for the Windows Bluetooth driver (LCD models already have Windows Bluetooth support)
  • Steam Deck LCD only
    • Improved battery life by up to 10% in light load situations
    • Added overclocking controls

Steam Deck Docking Station

  • 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, and fixing several issues where displays could remain blank

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
  • Split package reinstallation step out of steamos-devmode command and into new steamos-unminimize command. steamos-devmode now simply enters read-write mode and initializes the pacman keyring for use, and is much quicker.
  • openssh: Fix remote code execution bug (CVE-2024-6387)