Java Edition 12w03a

12w03a is the first snapshot released for 1.2.1.

Blocks

 * Jungle leaves
 * Generates in Jungle trees.


 * Jungle log
 * Slightly-mossy brown textured with horizontal bark.
 * Generates in Jungle trees.

World Generation

 * Biomes
 * Added jungle biome.
 * Thick canopy with jungle trees, vines, fern, and brightly-colored grass.

Blocks

 * Ladders
 * Ladders regained their collision box


 * Vines
 * Vines are climbable if the player was pushed into a solid block while next to them

Items

 * Spawn eggs
 * Dispensers can spawn mobs when dispensing spawn eggs
 * Spawn eggs are now stackable to 64

Mobs

 * Wolves
 * Wolves have new AI
 * Can be bred by using chicken (raw or cooked), porkchops (raw or cooked), steak/beef, and rotten flesh when tamed


 * Zombies
 * Zombies have new path-finding AI

General

 * Language Files
 * Updated language files