Minecraft Snapshot 12w37a and some info about the next update!

Hi all i have been really busy over the past but now i'm back! The new snapshot has been released and here is some info about it: 

New/Changes:

• Tweaks to the Wither.
  • It creates an explosion around itself once it is done regenerating from spawning.
  • The Wither now will randomly shoot slow blue-colored versions of wither skull projectiles when idle.
  • When The Wither is in sight, the sky becomes darkened.
• Added "Re-Create" option to the World selection menu.
  • Allows you to edit a world as if you are creating a new one without changing the existing world, e.g. bonus chest, cheats, world type.
• 'Carrots' are now singularly 'Carrot'.
• Added Pumpkin Pie.
• Tweaks to a couple of item sprites.
  • Bread, Raw Chicken, Cooked Chicken, Raw Beef, Steak, Raw Porkchop, Cooked Porkchop, Red Apple, and Nether Star no longer have a dark outline.
  • Carrots changed to match their singular title.
  • Golden Carrot sprite changed to match new carrot sprite.
  • Heads are now correctly centered.
  • Baked Potatoes do not have fume anymore.
• Leather armor now has a non-dyed layer.
• Time of the redstone signal of the wooden/stone button extended from 9 to 12 redstone ticks
• Superflat customization GUI:
  • Comes with 7 presets: Classic Flat, Tunnelers' Dream, Water World, Overworld, Snowy Kingdom, Bottomless Pit (Broken), and Desert.
  • Custom starts off with Classic Flat with three options: Add Layer, Edit Layer, Remove Layer. Adding and editing are NYI.
    • You can customize superflat without add/edit layer option using the "seed" in the preset list.
• Fishing now gives the player XP.
• Pigs are now able to jump when players ride on them.
  • Pigs will cease to move when ridden in water. (Player Weight or Bug?)
• Added /clear command to empty the inventory.
• Evil mobs are now a little bit more fearless in hard difficulty.
  • The main difference being mobs will risk falling a distance that can damage them to attack the player.

• Various bug fixes.

Wanna see the snapshot in action? Then watch Antvenoms snapshot review: 

Download here: http://assets.minecraft.net/12w37a/minecraft.jar