The bug!
You can see on the video: https://drive.google.com/open?id=1G5U1PjKvGnXfEG0t0f9kt0F7MFOuVwiW
MC-144082
Lag when mobs attack
Resolved
Duplicate
0
Nagy Richárd
(Unassigned)
Unconfirmed
Minecraft 19w07a
Retrieved
I don't think it's a duplicate because in the previois snapshot It wasn't affected my game.