Java Edition 13w23b

13w23b is the twelfth snapshot for 1.6.1, and was released to fix some of the bugs and crashes in the 13w23a snapshot.

Items

 * Golden apples
 * Now give the new Health Boost effect.

Gameplay

 * Status effects
 * Added Health Boost effect.
 * Also, both the attribute and the potion effect now show the hearts.

Items

 * Golden apples
 * Normal golden apples now give Regeneration II for 10 seconds.

Mobs

 * Zombies
 * New mechanics and AI.
 * Able to lock onto the player from much further away.
 * Mobbing zombies can now move when further than 32 blocks from player.
 * Spawn additional zombies when not being looked at.

Fixes
2 bugs fixed

From the 1.6.1 snapshots
 * – ALL spawners with ActiveEffects crash the game, breaking hundreds of custom maps and servers.

From the previous snapshot
 * – Golden apples only heal one heart compared to two in version 1.5.2.