Minecraft:Java Edition 12w07a

12w07a is the sixth Minecraft:snapshot for Minecraft:Java Edition 1.2.1, released on February 15, 2012,<ref>Template:Cite</ref> which adds Minecraft:redstone lamps and updates the world type from Region to Anvil, which increases the height limit from 128 blocks to 256.

Additions

Blocks

File:Redstone Lamp JE1.pngFile:Lit Redstone Lamp JE1.png Minecraft:Redstone lamp

• Crafted using Minecraft:glowstone and Minecraft:redstone.
• If powered by redstone, the lamp turns on.

General

World file format

• Worlds now use the new Minecraft:Anvil file format instead of Region.
  • World files now save with .mca suffixes instead of .mcr.
  • World height is now 256 Minecraft:blocks instead of 128 blocks.
  • Up to 4096 block IDs can now be used.

Maltese language

• Re-added after being removed in Minecraft:12w01a.

Minecraft:Server.properties

• New setting:
  • max-build-height

Changes

Blocks

Minecraft:Glass

• No longer drops itself when broken using a tool with Minecraft:Silk Touch.

Minecraft:Redstone torches

• Can now be placed on the top of glass.

Minecraft:Torches

• Can now be placed on the top of glass.

Minecraft:Water

• Now only two blocks are required to break a fall from the maximum build height to y = 0 instead of four.

Items

Minecraft:Hoe

• No longer tills Minecraft:dirt or Minecraft:grass blocks when they have another block on top of them.

Mobs

Minecraft:Drops

• Decreased chance for the rare Minecraft:mob drops.
• Added Minecraft:zombie sieges, a rare event where a horde of zombies attacks a village at midnight.

AI

• All animals now use the new AI system.
• Animals can now move their heads when walking.
• Baby animals now follow Minecraft:wheat.

Minecraft:Villagers

• Added baby villagers.
• Villagers can now breed in order to repopulate villages based on how many houses there are available.

World generation

Minecraft:Villages

• The player may add houses to villages, provided they are enclosed with a roof and wooden door.

Minecraft:The Nether

• Minecraft:Mushrooms now generate on the nether roof, due to the new world height changes.

General

Minecraft:Multiplayer

• Multiplayer light recalculations no longer cause affected blocks to be transmitted to clients; instead the clients recalculate the effects when it is updated client-side.

Fixes

3 bugs fixed

• Fixed Minecraft:wolf AI: they no longer teleport huge distances when the player is hit.
• Removed Minecraft:zombies' ability to break Minecraft:iron doors.
• Fixed Minecraft:cows breeding with Minecraft:mooshrooms.