Minecraft Wiki
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Release date

May 31, 2012[1]

Snapshot for




12w22a is the eighth snapshot released for 1.3.1.


  • Jungle temple
    • Generated Structure that generate in jungle biomes
    • Comprised mainly of cobblestone and moss stone
    • Have dispenser and tripwire traps and chest loot
  • Tripwire and tripwire hooks
    • Can place down string to create tripwire, when walked on, these can activate tripwire hooks if there is a hook at each end of the string
  • Block of emerald
    • Decorative storage blocks, crafted with 9 emeralds
  • Adventure mode
    • New gamemode, only accessible with /gamemode 2
    • The player cannot break or place any blocks
    • The player can interact with any blocks, like doors and levers, and can buy from villagers
    • The player can still damage mobs
  • Creative inventory
    • Added potions to the Creative inventory; found in “brewing" category
    • Added delete item, armor and crafting to survival inventory when in Creative
    • Added silverfish cobblestone and stone brick monster egg blocks to the Creative inventory


  • Villager Trading
    • Villagers can now trade all sorts of items with you (for example, 1 emerald + 10 gravel → 3 flint)
    • Some villagers will offer to enchant items (e.g. 3 emerald + 1 iron pickaxe → 1 iron pickaxe with Fortune I)
  • Enchanting
    • Enchantment system has been rebalanced
      • The maximum enchantment level has been lowered from 50 to 30
        • As a result enchantment tables now require only 15 bookcases around them to allow maximum level enchantments
      • With a full enchantment table set with bookshelves, at the bottom of the 3 enchantments, it always shows you the highest number possible
      • Using level 30 enchantments, the player has a lot more luck; almost all items get at least 2 enchantments
      • Various actions will now reward the player with Experience Orbs, such as mining ores (except Gold Ore and Iron Ore), using furnaces, and getting achievements
      • Levels are now awarded linearly. It takes 17 experience to go up one level
  • Smelting
    • Smelting in a furnace with a lava bucket now leaves an empty bucket for the player to retrieve
  • Singleplayer
    • Pausing now works again in single player
  • Leaves
    • Rain will slowly drip through leaves
  • Cauldron
    • When exposed to rain, cauldrons have a possibility to slowly filling with water
  • Nether portals
    • Have a very small chance of spawning zombie pigmen
  • World Generation
    • Some minor terrain changes
  • Inventory
    • Blocks seen in inventory are oriented to the right instead to the left
  • Slabs
    • Half-slabs can now be placed upside-down when pointing at the upper half of the side of a block. This does not work with stairs
  • Debug Features
    • Pressing F will reload the chunks
  • Emerald ore
    • Now generates in veins of 1 block


10 bugs fixed

  • In the redstone tab of the creative inventory, the redstone torch is now on instead of being off.
  • In the decoration tab of the creative inventory, the redstone torch has been removed.
  • Fixed the size of slimes which was sometimes wrong in the previous snapshot.
  • Fully charged arrows now show their particle effect again.
  • Arrows are now stuck at the correct position in the block they hit.
  • The language English (US) is available again.
  • Fixed Enderman often not shaking and opening their jaws when looked at.[2]
  • Fixed repeaters sometimes being stuck when loading the chunks they are in.[3]
  • The Search tab does not automatically open up unless the player presses their chat key, allowing the inventory to be closed with the normal inventory key again.
  • Fixed bug causing stacked buckets to disappear when used to milk cows.