13w23b is the twelfth snapshot for 1.6.1, which was released to fix some of the bugs and crashes in the 13w23a snapshot.
This version was previously removed from the launcher for some time, but was added back in September 2018.
Additions
Items
- Now give the new Health Boost effect.
Gameplay
- Added Health Boost effect.
- Also, both the attribute and the potion effect now show the hearts.
Changes
Items
- Normal golden apples now give Regeneration II for 10 seconds.
Mobs
- 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
From the 1.6.1 snapshots
- 17222 – ALL spawners with ActiveEffects crash the game, breaking hundreds of custom maps and servers.
From the previous snapshot
- 17403 – Golden apples only heal one heart compared to two in version 1.5.2.