Mob behaviour issues
MC-1940Axolotls, endermen, and enchantment glint animations continue playing when the game is paused
Low
MC-2432Pack of wild Wolves / Zombified piglins / Silverfish / Bees not becoming aggressive at one hit kill
Works As Intended
MC-3591Cured zombie villagers don't drop picked up items
Fixed
MC-4086Block cracks don't appear on the lower halves of doors when zombies are breaking them
Low
MC-4520Aggressive neutral mobs become neutral when the world is reloaded
Fixed
MC-6101The Ender Dragon cannot be harmed by other mob's projectiles
Low
MC-12549Odd mob "magnetised attraction" behaviour
Low
MC-12689Entities do not forget unreachable or out of of sight targets leading them to not attack closer targets
Low
MC-13884Hanging snow golems don't throw snowballs
Fixed
MC-14167Mobs build up fall damage when dangling on a lead
Fixed
MC-14539Skeletons, bogged, and strays can shoot behind themselves when their movement speed attribute is set to zero
Low
MC-15862Dying enderman teleports away if falls into water; takes experience to the teleportation destination
Fixed
MC-16533Horse Breeding never exceeds egg/spawn horse attributes
Fixed
MC-19413Horse tries to "finish" pathfinding when you interrupt it by riding it
Fixed
MC-19757Mobs can adjust their rotation during their death animation
Low
MC-19764Trades are still possible after a villager/wandering trader died
Fixed
MC-21109Pathfinding is fundamentally flawed (it strictly follows the grid)
Won't Fix
MC-24336Withers are harmed by the explosions of their wither skulls
Fixed
MC-29274Withers will not pursue players in survival mode unless attacked
Fixed
MC-29416The "minecraft:generic.follow_range" attribute doesn't affect withers' shoulder heads
Works As Intended
MC-44283Mobs which can pick up loot prefer items with less durability over an item of the same type they are already wearing
Fixed
MC-44793Tamed wolf can't sit on slime blocks
Fixed
MC-47699Blazes are able to see a player through blocks
Fixed
MC-48374Witches don't notice players while wandering
Low
MC-48907Blazes don't naturally swim upwards in water or lava
Normal
MC-48923Slime/magma cubes not affected by jump boost potion effect
Fixed
MC-49129Spiders & Wolves deal no damage as they're leaping
Low