[linux_distributions][steamos] List big features in minor releases of SteamOS 3

[LukeShortCloud]

• SteamOS 3.0
  • Initial release with Arch Linux packages from 2022-01-27.
    • https://steamdeck-packages.steamos.cloud/archlinux-mirror/core/os/x86_64/
• SteamOS 3.4
  • Updated Arch Linux packages for the first time since SteamOS 3.0 was released.
    • https://www.gamingonlinux.com/2022/08/steamos-34-beta-to-update-the-arch-linux-base-new-steam-deck-updates-out-now/

[LukeShortCloud]

SteamOS 3.5

• Distrobox and Podman installed by default
  • https://www.reddit.com/r/SteamDeckTricks/comments/16uq6l2/podman_and_distrobox_are_preinstalled_on_steamos/
• NFS client tools are installed.
  • https://github.com/ValveSoftware/SteamOS/issues/963
• All storage devices are automounted (not just the microSD card in a Steam Deck).
  • Old udev rule: /usr/lib/udev/rules.d/99-sdcard-mount.rules
  • New udev rule: /usr/lib/udev/rules.d/99-steamos-automount.rules
• Nix package manager support (but it is not pre-installed).
  • An empty writable /nix/ directory is provided.
• Undervolting is now supported in the BIOS
• HDR support
• Updated Arch Linux packages