Minecraft Wiki

The Minecraft Wiki is no longer considered as official by Microsoft and therefore several changes are required to be made, including to the wiki's logo. Please read this announcement for more information.


Minecraft Wiki
Minecraft 12w22a
12w22a Banner.png
Java Edition 12w22a.png

Java Edition



Release date

May 31, 2012[1]

Snapshot for



Client (.json)
Server (.exe)

Protocol version


12w22a is the eighth snapshot released for Java Edition 1.3.1.



Block of Emerald JE1 BE1.png Block of emerald
  • Decorative storage blocks, crafted with 9 emeralds.
Tripwire.png Tripwire and Tripwire Hook (S) JE1.png 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.

World generation[]

Jungle pyramid JE1 BE1.png Jungle temple
  • Generated Structure that generate in jungle biomes.
  • Comprised mainly of cobblestone and mossy cobblestone.
  • Have dispenser and tripwire traps and chest loot.


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.

Command format[]



  • When exposed to rain, cauldrons have a possibility to slowly filling with water.
Emerald ore
  • Now generates in blobs of 1 block
  • Rain will slowly drip through leaves.
Locked Chest JE3.png Locked Chest
  • Top texture changed from Placeholder Block JE1 BE1.png
  • Changed as a result of the addition of the texture of what would later become the Block of Emerald occupying the texture space of what used to be the chest texture.
  • 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.

World generation[]



  • 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 the player 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.
  • Blocks seen in inventory are oriented to the right instead of to the left.
Nether portals
  • Pausing now works again in single player.
  • Smelting in a furnace with a lava bucket now leaves an empty bucket for the player to retrieve.
Villager Trading
  • Added the 10 gravel + 1 emearld → 2-3 flint trade to farmers
  • Added the enchanted item trades to clerics (e.g. 1 iron pickaxe + 3 emeralds → 1 iron pickaxe with Fortune I).
    • Includes iron sword, iron pickaxe, iron axe, iron chestplate, diamond sword, diamond pickaxe, diamond axe, and diamond chestplate.
  • Added the 1 emerald → 5 arrows trade
  • Switched the 2 eyes of ender → 1 emerald to 7-10 emeralds → 1 eye of ender
  • Removed the 36- 63 rotten flesh → 1 emerald trade


Debug screen
  • Pressing F will reload the chunks.


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.