I accidentally made a dupe of this in MC-98939. It appears that the world is still loaded in memory and running and so you can't completely delete it until you exit out of minecraft.
It does appear to be a dupe. I must have been searching the wrong types of keywords then, since I was mainly focused on the world still running in the background,
I accidentally made a dupe of this in MC-98939. It appears that the world is still loaded in memory and running and so you can't completely delete it until you exit out of minecraft.