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 and zombies must be closer to notice players wearing their corresponding mob head.
 * Does not apply to wither skeletons.
 * Specifically, the detection range is halved.
 * This reduction stacks with the reductions from sneaking and invisibility.
 * This reduction stacks with the reductions from sneaking and invisibility.

Changes

 * Ender Dragon
 * Ender acid fireballs now spread ender acid upon exploding.
 * No longer light the ground on fire.
 * The charge attack has been given a great amount of knockback.
 * Dragon wings and tail now damage the player, prevent side and back melee attacks when the dragon lands on the portal.
 * Dragon breath now shoots out farther.
 * Dragon will now immediately charge at the player after finishing its dragon breath attack.
 * The dragon will no longer stop its attack on a single hit.
 * Will now fly back to portal before finishing its death animation.
 * No longer takes damage from snowballs, eggs, or fishing rods.
 * NBT tags
 * and  tag can now be applied on entities
 * Changed the  tag's type for the PrimedTnt entity from "Byte" to "Short".
 * Keyboard shortcuts
 * + now toggles between creative and spectator mode, when the player is in either of them.
 * The player needs to be OP in the case of servers for this to work.