The "Disk Not Ejected Properly" notification will not go away on Mojave?
The notification being there covering the screen and won't go away can be really troublesome.
It can be solved by moving the mouse to a &quot;blank screen&quot; hot corner. (set it up first).  And then when you wake the Mac, that notification can be dismissed.
So this is a solution, and would save Apple $27 / hour to hire a contractor to fix this bug for a day.