Java Edition 15w51b

15w51b is the forty-eighth snapshot for Java Edition 1.9, which was released to fix two bugs as well as a crash in the AI and pathfinding code. This is also the final snapshot of 2015.

Mobs

 * Silverfish
 * No longer enter into blocks if the game rule  is false.

Command format

 * NBT tags
 * Entity: ArmorStand
 * (integer): Original values have changed in nature.
 * 1 << slot = disables all interaction.
 * 1 << (slot + 8) = disables removing.
 * 1 << (slot + 16) = disables placing.

Video
Video made by slicedlime:

Trivia

 * 15w51b was previously removed from the launcher for some time, but was added back in September 2018.
 * As with 15w51a (and almost 20w51a), 15w51b was released on the latest calendar date out of all snapshots, on December 17.