Java Edition 13w17a

13w17a is the third snapshot released for 1.6.1.

Additions

 * Added hardened clay
 * Obtained by smelting a clay block
 * Added extra tooltip info in the search tab for the Creative inventory

Changes

 * Tooltip shows what category a block/item is in.
 * Water lakes no longer generate in deserts; however, lava lakes continue to do so
 * Water lakes only generate on the edge of desert and desert hills biomes
 * Zombies have a low chance to spawn more zombies when they take damage
 * This is an early version of the function; In the future, this will mainly apply to spawning zombies out of sight in enclosed spaces.
 * The carpet crafting recipe now gives 3 carpet blocks

Fixes
9 bugs fixed
 * – Jukebox audio volume doesn't decrease
 * – Tamed wolves and cats despawn
 * – Silverfish breaking blocks when "mobGriefing" is set to false
 * – Pick-Block and Furnaces
 * – Achievement "Hot Topic" Uses Faceless Furnace Icon
 * – Arrows visually float when shot into a block
 * – Launcher Beta - OS X with Retina Display is pixelated
 * – New Minecraft Launcher unable to play/download snapshot
 * – Custom Language-Pack Removal