Java Edition 12w22a

12w22a is the eighth snapshot for Java Edition 1.3.1, released on May 31, 2012.^[1]

Tripwire and tripwire hooks

• String can be placed down 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.

Jungle temple

• Generated structure that generates 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, found in "Brewing" category.
• Added armor slots, 2x2 crafting grid, and an option to delete items in Survival inventory when in Creative.
• Added cobblestone monster egg, stone brick monster egg blocks and charcoal to the Creative inventory.

• Added /defaultgamemode command.

Cauldron

• When exposed to rain, cauldrons have a chance to fill with water.

Emerald ore

• Now generates in blobs of 1 block.

Leaves

• Rain slowly drips through leaves.

Locked chest

• Top texture changed from
• 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.

Slabs

• Can now be also placed upside-down when pointing at the upper half of the side of a block, instead of only the bottom. This does not work with stairs.

General

• Some minor terrain changes.​^{[more information needed]}

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 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 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.

Inventory

• Blocks seen in inventory are oriented to the right instead of to the left.

Nether portals

• Have a very small chance of spawning zombie pigmen.

Singleplayer

• Pausing now works again in singleplayer.

Smelting

• 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 emerald → 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.

Controls

• Pressing F reloads 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 Blocks" 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.