Java Edition 12w06a

<!--

12w06a is the fifth snapshot released for Java Edition 1.2.1.

General

 * Sounds
 * Cats now meow, cry, howl, purr and hiss.
 * Doors make banging sounds when zombies hit them.

Blocks

 * Doors
 * 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.


 * Redstone
 * Can now be placed over glowstone.

Mobs

 * General
 * Added rare item drops for mobs.
 * Better movement for mobs in water.
 * Most mobs move slower.
 * When a player is targeted by a hostile mob, it will continue to track the player despite being attacked by other mobs.


 * Cave Spiders
 * Now swim extremely fast with the water stream towards the player, but seem to be almost not moving against the water stream


 * Skeletons
 * Now have a rare chance to drop a bow or an enchanted bow.


 * Snow golems
 * Now takes damage from rain and water.


 * Villagers
 * AI has been improved.
 * Now socialize with each other and passive mobs.
 * Will go inside shelter when it's raining.
 * Will run away from zombies.


 * Zombies
 * AI has been improved
 * On hard difficulty and Hardcore, zombies break down wooden doors.
 * On normal and easy difficulty, zombies attack but will not break down wood doors.
 * Will now chase and attack villagers.
 * Will now attack doors when attempting to escape sunlight.
 * Zombies have a rare chance to drop an iron ingot, iron helmet, iron shovel, or iron sword.


 * Zombie pigmen
 * have a rare chance to drop golden armor, a gold ingot, a golden sword, or an enchanted golden sword.
 * Now will swim fast in water

General

 * Debug keys
 * Pressing to hide the HUD additionally disables hitbox outlines on blocks and the block breaking animation.

Fixes
5 bugs fixed


 * Creepers no longer explode after death.
 * Villagers can no longer open iron doors.
 * Ocelots, zombies, wolves, and skeletons no longer spin in circles on non-full-height blocks.
 * Cobwebs will prevent the player from receiving fall damage.
 * Monster spawners now show correct mobs in multiplayer.