Java Edition 12w34a

12w34a is the second snapshot released for 1.4.2.

Blocks

 * Cobblestone wall
 * Acts like fences.


 * Flower pots
 * Can contain mostly any plant-based block.


 * Item frames
 * Crafted like a painting but with leather instead of wool.
 * Used to hang items on a wall.
 * Can be rotated in 8 directions.


 * Mossy cobblestone wall
 * Similar to cobblestone walls.


 * Wooden buttons
 * Are now arrow-sensitive.

Items

 * Carrots
 * Added carrots and Golden carrots
 * Carrots can be planted in tilled soil

Potatoes
 * Added potatoes, Baked potatoes and Poisonous potatoes
 * Potatoes can be planted in tilled soil.


 * Potions
 * Added potion of night vision.
 * Potion of night vision is brewed by adding a golden carrot to an awkward potion.
 * Added potion of invisibility.
 * Potion of invisibility is brewed by adding a fermented spider eye to a potion of night vision.
 * Mobs do not attack you until you bump into them.
 * Potion also hides the player's name tag.

Mobs

 * Withers
 * New boss mob.
 * Only available through external modification such as editing mob spawners, mods, or hacks.
 * It shoots exploding projectiles called Wither Skulls and destroys nearby blocks.
 * Also has a boss health bar.


 * Zombies
 * Now has a chance to drop carrots and potatoes.

General

 * Settings
 * Added new Full-screen toggle to the Video Settings.
 * Added new use Vsync toggle in the Video Settings.
 * Added an unused texture in gui/items.png.

Blocks

 * Beacons
 * Removed the “Work in Progress block” from the Creative menu.


 * Fire
 * Spreads differently based on difficulty.


 * Mob spawners
 * Now give less XP when the player farms them continuously.


 * Saplings
 * Now have a smaller hitbox.


 * Stairs
 * Stairs now auto-arrange into corners. This is a test and may change based on feedback.


 * TNT
 * Will ignite if shot by a flaming arrow.


 * Trapdoors
 * Can be placed in top-most position (based on cross-hair aim).

Items

 * Dyes
 * Leather armor can be dyed.
 * The default color of leather has changed.
 * The player can right-click a full cauldron with dyed armor to remove dye.
 * Tamed wolves' collars can be dyed.


 * Fire charges
 * Shot from a dispenser or a Blaze creates the "fireball" sound effect.


 * Maps
 * Maps now align to a grid, making it easier to create adjacent maps.
 * A compass and paper do now create an empty map.
 * An empty map has no data on it until the player right click with it.
 * The point on the player's world where the player right clicked it is the map's center.
 * A map (with data) can be cloned. Cloned maps are stackable.
 * Maps can be zoomed out (but not zoomed in).

Mobs

 * General
 * Mobs (and all other entities) can travel through portals.


 * Villagers
 * The particle effect when a trade with a Villager has been successful has changed.

General

 * Debug screen
 * The f: item on the F3 debug screen now shows the exact direction the player is looking, between -180 and 180 degrees from the south.
 * F3+P will toggle the auto-pause when the window loses focus (mainly for debugging).
 * F3+H will toggle detailed item descriptions (also for debugging).

Fixes
3 bugs fixed


 * Fixed zombies not burning in the sun.
 * Fixed graphical glitch with chests and Ender Chests.
 * Fixed crash bug with beacon blocks.