The bug
When a world containing shulkers is upgraded from an earlier version to 21w03a, shulkers on the ground will get rotated.
How to reproduce
Create a creative world in 20w51a
Spawn some shulkers on the ground using spawn eggs
Exit the game
Load the world in 21w03a
The shulkers will be rotated
Linked issues
Attachments
Comments 3
it also occures after duplication of a shulker. The new one that gets spawned in where the old one was can be slightly rotated.
This is related to MC-212149.
This issue also occurs when upgrading a world from 1.16.5 to 21w03a.