Java Edition 15w32a

15w32a is the fourth snapshot released for 1.9.

Additions

 * World selection screen
 * Worlds now display the version they were last played in, or "unknown" if the version was older than snapshot 15w32a.
 * If the world hasn't been opened in one of the (1.9) snapshots yet, there will be an exclamation mark (!) next to the world's name on the far right that displays text when hovered over: "Don't forget to backup this world before you load it in this snapshot."
 * Statistics
 * Tracks the amount of ticks the player has held the key, regardless if the player was moving.
 * Mobs
 * Creepers, skeletons (but not wither skeletons), and zombies must be closer to notice players wearing their corresponding mob head.
 * Specifically, the detection range is halved. This reduction stacks with the reductions from sneaking and invisibility.
 * Specifically, the detection range is halved. This reduction stacks with the reductions from sneaking and invisibility.

Changes

 * Ender Dragon
 * The charge attack has been given back a big increase on the amount of knockback it inflicts.
 * Now immediately charges at players after finishing an ender acid attack.
 * Now cancels an ender acid attack if player is too far away.
 * Ender acid area of effect is greatly increased.
 * Will now damage players in a 360 degree radius around the dragon rather than in front of its mouth.
 * Will now fly back to portal before finishing the death animation.