While i'm spectating an entity the name over the head of the player is not rotating.
How to reproduce the bug:
1) Spawn some animals
2) Spectate an animal that is moving
3) The name of the player is not rotated correctly
If you want you can test it in my replay, at 0:32 there is a pig walking near me, and the name of the player is non rotated correctly.
https://www.replaymod.com/replay/69