Err we already have that in Sonoma. Press F3 and move the mouse to the top of the screen.
You can even switch between them with a triple swipe on a magic trackpad...
You can even switch between them with a triple swipe on a magic trackpad...
e.g. in Mission Control right now I have "Desktop 1", "Desktop 2", and full-screened iTerm2 on my external monitor, plus "Desktop 3" and about 6 other fullscreen apps on my laptop.
I have somewhat semantic meaning for what each of those three numbered desktops are, but it'd be nice to _name_ them.