Java Edition 15w51a

15w51a is the forty-seventh snapshot released for 1.9, released to fix bugs and crashes.

Mobs

 * Creepers
 * No longer drop music discs anymore when  is set.


 * Mob AI and pathfinding
 * Has been improved.

Non-mob entities



 * Boats
 * Boats now drop their corresponding wood type when broken.


 * Ender Crystal
 * End crystals can no longer be placed in adventure gamemode.

General

 * Commands
 * Using to set a gamerule will now report the change: “Game rule &lt;gamerule&gt; has been updated to &lt;value&gt;.”
 * New gamerule  controlling how far from the world spawn point players can spawn. Defaults to 10.


 * Spectator Mode
 * A spectator is no longer able to open a chest where the loot has not been generated yet. They are given the message: "Unable to open. Loot not generated yet."


 * Status effects
 * Glowing Status effect now outlines players and mobs more exactly, arrows stuck in them or items held and transparencies will now be obeyed.


 * World generation
 * When riding minecart, boat or horse, terrain will now normally generate.