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{{Infobox version
|title=Minecraft 12w07a
|image=12w07a Banner.png
|image2=Java Edition 12w07a.png
|edition=Java
|type=Snapshot
|parent=1.2.1
|date=February 15, 2012
|clientdl=[https://vault.omniarchive.uk/archive/java/client-release/1.2/pre/12w07a.jar Client] ([https://meta.omniarchive.uk/versions/v1/12w07a.json .json])
|serverdl=[https://vault.omniarchive.uk/archive/java/server-release/1.2/pre/12w07a.jar Server]
|prevparent=1.1
|prev=12w06a
|next=12w07b
|nextparent=1.2.2
}}<onlyinclude>

'''12w07a''' is the sixth [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.2.1]], released on February 15, 2012,<ref>{{cite|url=https://web.archive.org/web/0/https://www.mojang.com/2012/02/minecraft-snapshot-12w07a/|title=Minecraft Snapshot 12w07b (Updated!)|website=Mojang.com|author=Jens Bergensten|date=February 15, 2012}}</ref> which adds [[Minecraft:redstone lamp]]s and updates the world type from [[Minecraft:Region file format|Region]] to [[Minecraft:Anvil file format|Anvil]], which increases the height limit from 128 blocks to 256.

== Additions ==
=== Blocks ===
'''[[File:Redstone Lamp JE1.png|32px]][[File:Lit Redstone Lamp JE1.png|32px]] [[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 [[Minecraft:Region file format|Region]].
** World files now save with <code>.mca</code> suffixes instead of <code>.mcr</code>.
** World height is now 256 [[Minecraft:block]]s instead of 128 blocks.
** Up to 4096 [[Minecraft:Java Edition data values|block IDs]] can now be used.

'''Maltese language'''
* Re-added after being removed in [[Minecraft:12w01a]].

'''[[Minecraft:Server.properties]]'''
* New setting:
** <code>max-build-height</code>

== Changes ==
=== Blocks ===
'''[[Minecraft:Glass]]'''
* No longer drops itself when broken using a tool with [[Minecraft:Silk Touch]].

'''[[Minecraft:Redstone torch]]es'''
* Can now be placed on the top of glass.

'''[[Minecraft:Torch]]es'''
* 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 block]]s when they have another block on top of them.

=== Mobs ===
'''[[Minecraft:Drop]]s'''
* Decreased chance for the rare [[Minecraft:mob]] drops.
* Added [[Minecraft:zombie siege]]s, 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:Villager]]s'''
* Added baby villagers.
* Villagers can now breed in order to repopulate villages based on how many houses there are available.

=== World generation ===
'''[[Minecraft:Village]]s'''
* The player may add houses to villages, provided they are enclosed with a roof and wooden door.
'''[[Minecraft:The Nether]]'''
*[[Minecraft:Mushroom]]s 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 door]]s.
* Fixed [[Minecraft:cow]]s breeding with [[Minecraft:mooshroom]]s.</onlyinclude>

== References ==
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|1.0}}

[[Category:Versions using legacy download site]]
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Minecraft:Java Edition 12w07a - Revision history

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