Alt text:
Twitter post by Daniel Feldman (@d_feldman): Linux is the only major operating system to support diagonal mode (credit [Twitter] @xssfox). Image shows an untrawide monitor rotated about 45 degrees, with a horizontal IDE window taking up a bottom triangle. A web browser and settings menu above it are organized creating a window shape almost like a stepped pyramid.
Edit: alt text
true
however
everything would be fluid in the layout and you would need to set what should go on top of what. And having this feature doesn't seem worth the hassle of making if work, or even using it.
Imagine trying to type in a 'fluid' keyboard
TBH tho, seems like a cool gimmick for some apps.