Minecraft:Java Edition 12w21a

12w21a is the sixth Minecraft:snapshot for Minecraft:Java Edition 1.3.1, released on May 24, 2012,<ref>Template:Cite</ref> which added emeralds, ender chests, and more stairs.

Additions

Blocks

File:Emerald Ore JE1.png Minecraft:Emerald ore

• Drops 1 Minecraft:Ruby when mined.
• Generates in blobs of up to 10 blocks.

File:Ender Chest JE1 BE1.png Minecraft:Ender chest

• Crafted with 8 Minecraft:obsidian and 1 Minecraft:eye of ender.
• All ender chests in a Minecraft:world have the same contents, if those contents change it affects the contents of all other ender chests.
• On Minecraft:multiplayer, the ender chest's contents are the same for all players on a server.
• Emits light level of 7

File:Sandstone Stairs JE1.png Minecraft:Sandstone stairs

• Have the same function and recipe as other Minecraft:stairs, but made of Minecraft:sandstone.

Items

File:Emerald JE1 BE1.png Minecraft:Emerald

• Dropped when mining an Minecraft:emerald ore block.
• Used in villager Minecraft:trading.

File:Enchanted Golden Apple JE1 BE1.gif Minecraft:Enchanted golden apple

• A second type of golden apple made with Minecraft:blocks of gold.
• After being consumed, the player receives 30 seconds of Regeneration IV, plus Resistance and Fire Resistance for 5 minutes.

World generation

Minecraft:Desert temples

• New generated structure in desert biomes that resemble pyramids.
• Have a Minecraft:TNT trap and loot chests inside.

Desert Minecraft:villages

• Villages that generate in desert biomes now are made of sandstone rather than wood and cobblestone.

Gameplay

Minecraft:Trading

• Villagers buy or sell the player Minecraft:emeralds in exchange for certain items.
• Trade with villagers by right-clicking on them, opening up a GUI with one buying slot and one selling slot.

Command format

Minecraft:Commands

• Template:Cmd
  • Displays the current world seed.

Changes

Blocks

File:Dispenser (S) JE2 BE1.png Minecraft:Dispensers

• Eject Minecraft:water and Minecraft:lava source blocks from buckets.
• Also take water and lava source blocks if there is an empty bucket inside.

File:Gravel JE4 BE3.png Minecraft:Gravel

• Changed texture from File:Gravel JE3 BE2.png.

File:Placeholder Block JE1 BE1.png Minecraft:Locked chest

• The old Minecraft:chest textures have been removed; locked chests now use the placeholder block texture.

Items

File:Bucket JE1 BE1.png Minecraft:Buckets

• Now stackable to 16.

Mobs

Minecraft:Passive mobs

• Can be easily pushed around by simply walking. This eases navigating through animal farms.

Non-mob entities

File:Oak Boat JE1.png Minecraft:Boats

• Now pass through Minecraft:lily pads without breaking the boat; the lily pad drops as an item instead.

File:Minecart JE3 BE1.png Minecraft:Minecarts

• While sitting inside of a minecart, pushing the directional keys makes it move the direction player is pressing. This only works while the minecart is sitting on rails.

Gameplay

Minecraft:Singleplayer

• The local server no longer runs in a separate Java process, despite still requiring a separate JAR.

Minecraft:Creative

• Added Minecraft:snow to the Creative inventory.

Minecraft:Sky

• Minecraft:Stars are more realistic.
  • They are now slightly smaller and slightly brighter.

Command format

Minecraft:Commands

• Template:Cmd
  • Added optional reason parameter.
  • Ban reasons are displayed when players attempt to rejoin the server after being banned.
  • Minecraft:Hardcore death bans now specify the reason "Death in Hardcore"

General

Minecraft:Game Menu

• The quit button once again properly reads "Save and Quit to Title".

Minecraft:Options

• Improved options menu.

Minecraft:Debug screen

• The F3 menu no longer has the frame time graph.

Trivia

• In this version, when loading a singleplayer world, one needs to put minecraft.zip/server/minecraft_server.jar into .minecraft/server manually to continue loading.