@birdulon @p @SuperDicq @piggo @sun @foxido @lina >Treating a multimonitor setup as one big framebuffer synchronized to one monitor is below the bare minimum.
Xorg doesn't do that anymore since more than a decade ago.

You can still have that mode with certain software, which is kind of good for flightgear really, as you get fullscreen across 3 screens without needing configuration.