Loading 1.12 world in 1.13,
Log spews out loading world 0% over and over (It did this for at least 10 minutes before I forced the game to shut down)
MC-133966
World repeatedly outputs 0% loading
Resolved
Duplicate
0
Ayden Hodgins
(Unassigned)
Unconfirmed
Minecraft 1.13
Retrieved
Try selecting the world -> edit -> Optimize World, some chunks might take a long time to update and that would just let you start it until it is fully down.