Making a single virtual desktop on my second monitor that remains static, while the primary switches between them
Having a good screenshot tool on Wayland that freezes the screen, lets me select a region of the screen in an overlay, then puts the selection in my clipboard and vanishes jn the background. KDE one was insistent on spawning its window and wasn't very good. Third party tools failed on Wayland on region selection. Especially with scaling enabled.
Not having random Z-index order bugs is also a big one
Not having random Z-index order bugs is also a big one