■Cats, ocelots, zombies, wolves, and skeletons no longer spin in circles on non-full-height blocks.
■Cobwebs will prevent the player from receiving fall damage.
■Doors have been changed to properly detect if they are open or closed. Double Doors in existing maps will need to be updated.
■Placing two pressure plates directly in front of doors and stepping on them will open them correctly.
■When stepping on a single pressure plate only the door on that side will open.
■When stepping on both pressure plates both doors will open.
■Villager's AI has been improved.
■Villagers socialize with each other and passive mobs.
■Villagers go inside for shelter when it's raining.
■Villagers run away from zombies.
■When a player is targeted by a hostile mob, it will continue to track the player despite being attacked by other mobs.
■Zombie's AI has been improved.
■On Hard difficulty and Hardcore Mode, zombies break down Doors.
■On normal and easy difficulty, zombies attack but will not break down Doors.
■Zombies chase and attack Villagers.
■Zombies attack doors when attempting to escape sunlight.
■Added new sounds.
■Cats meow, cry, howl, purr and hiss.
■Doors make banging sounds when zombies attack them.
■Better movement for mobs in water.
■Most mobs move slower.
■Cave spiders swim extremely fast with the water stream towards the player, but seem to be almost not moving against the water stream.
■Zombie Pigmen swim fast in water.
■Added rare item drops for mobs.
■Zombies have a rare chance to drop an iron ingot, iron helmet, iron shovel, or iron sword.
■Skeletons have a rare chance to drop a bow or an enchanted bow.
■Zombie Pigmen have a rare chance to drop a golden helmet, gold ingot, golden sword, or an enchanted golden sword.
■Pressing F1 to hide the HUD additionally disables hitbox outlines on blocks and the block breaking animation.
■Monster Spawners now show correct mobs in multiplayer.
■Snow Golems take damage from rain and water.
■Redstone Dust can now be placed over Glowstone.
Notable Bugs
■Wolf AI can completely break, causing them to freeze. You can still tame them and make them sit, but they will not follow or teleport to player.
■Wolves won't always follow the player after being tamed.
■Wolves teleport and attack mobs when the player is hit, even if the wolfs are sitting or far away. After that they follow the player normally. Some wolves may not attack, but teleport to the player and remain sitting.
■Zombies break down iron doors on hard difficulty.
■In Singleplayer mode, mobs within the 16 block seeing radius seem not to be able to see a player if the player is 2 or more layers above the mob.
■Cave Spiders sometimes do not swim.
■Redstone sometimes stays powered after removing the Redstone Torch, when you make a Redstone circuitry with pistons that keeps pushing Blocks around.
■When running Redstone Dust over Glowstone, the signal gets cut off and doesn't continue.