Java Edition 18w01a

18w01a is the twelfth snapshot released for 1.13, and the first snapshot released in 2018.

Additions

 * Commands
 * Added  to.
 * Will rotate an entity to face either an entity or a location.
 * Added  and   to.
 * Added  and   to.


 * Data packs
 * Added  function to loot tables.
 * Functions tagged in  will now run once after a (re)load.
 * Added the new block tag.
 * Contains,  , and.


 * Death Messages
 * Added a death message for when a mob or player causes another player to die in the void.
 * "Player didn't want to live in the same world as Player/Mob"

Changes

 * General
 * Crash reports now list what data packs are enabled.
 * Data generators are now exposed, you can get a dump of all blocks/items/commands/etc from the game without opening it up.


 * Commands
 * Changed all custom names (blocks, items, entities, block entities) to translatable text components.
 * Removed the  tag. Instead of , use.
 * and  nbt keys of item entities are no longer strings but are instead compounds with two longs named   and.
 * nbt keys of snowballs, eggs and ender pearls are no longer strings but are instead compounds with two longs named  and.