How to avoid SteamOS autologin

Also I’m told, This workaround may not work reliably if you’re using the Plasma Login Manager (beta), as it can interfere with session selection. Consider rolling back to SDDM if issues persist.

That might be our problem on those script changes we tried.

But do try my Last suggestion:

  • Key Usage
    Switch to Desktop Mode (temporary):
steamos-session-select plasma

Set Desktop Mode as Default (persistent):

steamos-session-select plasma-persistent

This changes the system to boot into Desktop Mode automatically on reboot.

Use X11 or Wayland Desktop:

For X11: steamos-session-select plasma-x11-persistent
For Wayland: steamos-session-select plasma-wayland-persistent
Return to Gaming Mode (default):

steamos-session-select gamescope

All this I picked up from:

But I made a few adjustments.