Java Edition 12w22a

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

Blocks

 * Block of Emerald JE1 BE1.png Block of emerald
 * Decorative storage blocks, crafted with 9 emeralds.


 * Tripwire.png Tripwire and Tripwire Hook 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.

Gameplay

 * Adventure mode
 * New gamemode, only accessible with.
 * 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

 * Added command.

Blocks

 * Cauldron
 * When exposed to rain, cauldrons have a possibility to slowly filling with water.


 * Emerald ore
 * Now generates in blobs of 1 block


 * Leaves
 * 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.


 * 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.

World generation

 * General
 * Some minor terrain changes.

Gameplay

 * 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 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.


 * 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 single player.


 * 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 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

General

 * Debug screen
 * Pressing will reload the chunks.

Fixes

 * 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.
 * Fixed repeaters sometimes being stuck when loading the chunks they are in.
 * 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.