Withers are now affected by potion effects

Shulkers do not flash red when hurt or killed

Endermen and shulkers can teleport onto the Nether roof

Certain mobs that can melee can't use the Fire Aspect enchantment

Shields appear to stop blocking when they have taken damage and are still in use

Withers will not pursue players in survival mode unless attacked

Skeleton/Wither Skeleton leg texture experiences Z-fighting

Monster Spawners can suffocate mobs

The bottom of a Hopper becomes dark while being broken

Hoppers display a breaking animation on their top

The Ender Dragon's death animation glitches upon world reload

Incorrect Cave Spider shadow

The Ender Dragon is harmed by Fishing Rods and Eggs

Iron Golems are unaffected by Strength and Weakness potions

Beacon held by player has a flashing texture on the bottom

Mobs with the old AI have inverted head movement

A Wither's shield glows red from damage instead of the Wither itself

Withers glitch downwards while pressing against blocks

Chickens can be bred with nether wart, melon seeds, and pumpkin seeds

Torches cannot be placed on upside down slabs

Endermen cannot teleport out of a minecart

Blazes glitch while riding a minecart

Players killed by Wither Skeletons are shown to have been killed by a Skeleton

Wither Skeletons attempt to hide from daylight

Withers can get "stuck" on blocks when going after a mob

Ghasts will never become hostile to the player in Creative mode

Mob heads glitch when equipped by Zombie Pigmen

Enchanted swords and armor appear white in fog

Mob position in the air client-server desync

The Wither effect harms the undead

Hostile Endermen reset to being neutral after killing another mob

Withers hitbox/collision box does not incorporate the two smaller heads

Skeletons wielding swords do not fight other mobs

Swords do not lose durability when used on the Ender Dragon

The Ender Dragon is not affected by the Sharpness and Power enchantment

Endermen don't teleport when battling other mobs up close

Zombie Pigmen don't attack in groups when fighting other mobs

Endermen don't open their mouth when attacked by other mobs

Iron Golems do not act or move properly