Anything you snap through Snap Assist won't "save." If you exit one app, you'll need to manually trigger that split screen again. The same also applies if you opt to open another app or minimize the Taskbar.
Anything you snap through Snap Assist won't "save." If you exit one app, you'll need to manually trigger that split screen again. The same also applies if you opt to open another app or minimize the Taskbar.