Release of Steam OS 3.4 distribution used on Steam Deck game console

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Altus Intel
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Valve introduced The Steam OS 3.4 operating system, supplied in the Steam Deck game console. Steam OS 3 is based on Arch Linux, uses the Gamescope composite server on the basis of the Wayland Protocol to speed up the game, comes up with an accessible to reading the root FS, uses the atomic mechanism of installation of updates, supports Flatpak packages, uses the Pipewire multimedia server and provides two operating modes (Steam shell and KDE Plasma desktop). Updates are available only for Steam Deck, but unofficial assembly Holoiso , adapted for installation for ordinary computers (in the future assembly for the PC, Valve also promises to prepare).

Among the changes:

  • synchronization with a fresh package base Arch Linux. Among other things, before the release of 5.26 (previously delivered release 5.23), the version of the desktop KDE Plasma.

    • was updated.

  • Added an option to disable vertical synchronization (VSYNC) used to protect against the appearance of ruptures during the output). After disconnecting the defense, artifacts may appear in game programs, but you can come to terms with them if the fight against them leads to additional delays.
  • Problems of hanging some games after returning from the sleeping mode.
  • Problems with hanging out 100ms were solved when the adaptive backlight is turned on.
  • A new firmware for a docking station is proposed, in which problems are solved with the definition of screens connected via HDMI 2.0.
  • In the pop-up HUD (Heads-Up Display), the second level of performance is involved and a horizontal layout is used, combined with games for which the ratio of the parties is used 16: 9.
  • TRIM support is enabled to inform internal drives about unused blocks in the FS. In the settings “Settings → System → Advanced” there was a button for the forced performing TRIM operation at any time.
  • In “Settings → Storage” for external devices, an option to extract the device.
  • Automatic mounting external drives with FS Ext4.
  • When starting Steam, the mouse emulation for the tracks of Dualshock 4 and Dualsense.
  • When Steam is not launched in desktop mode, the Gamepad driver is loaded.
  • Improved the use of a virtual keyboard in games.
  • Added support for 8Bitdo Ultimate wireless controllers.
/Media reports cited above.

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