{{Infobox version
|title=Minecraft 12w34a
|image=Item frame5.png
|image2=Java Edition 12w34a.png
|edition=java
|type=Snapshot
|parent=1.4.2
|date=August 23, 2012
|clientdl=[https://vault.omniarchive.uk/archive/java/client-release/1.4/pre/12w34a.jar Client] ([https://archive.org/download/Minecraft-JSONs/12w34a.json .json])
|serverdl=[https://vault.omniarchive.uk/archive/java/server-release/1.4/pre/12w34a.jar Server]
|exedl=[https://vault.omniarchive.uk/archive/java/server-release/1.4/pre/12w34a.exe .exe]
[[Category:Versions using legacy download site]]
|prevparent=1.3.2
|prev=12w32a
|next=12w34b
|nextparent=1.4.4
}}<onlyinclude>

'''12w34a''' is the second [[snapshot]] for [[Java Edition 1.4.2]], released on August 23, 2012.<ref>http://web.archive.org/web/0/http://www.mojang.com/2012/08/weekly-chunk-paxmineconsnapshot</ref>

== Additions ==
=== Blocks ===
; [[Cobblestone wall]]
* Acts like fences.

; [[Flower pot]]s
* Can contain mostly any plant-based block.

; [[Mossy cobblestone wall]]
* Similar to [[cobblestone wall]]s.

; [[Wooden button]]s
They are currently uncraftable.{{verify}}

=== Items ===
; [[Carrot]]s
* Added carrots and [[golden carrot]]s.
* Carrots can be planted on farmland.

; [[Potato]]es
* Added potatoes, [[baked potato]]es and [[poisonous potato]]es.
* Potatoes can be planted on farmland.

; [[Potion]]s
* Added [[potion of Night Vision]].
** Brewed by adding a [[golden carrot]] to an [[awkward potion]].
* Added [[potion of Invisibility]].
** Brewed by adding a [[fermented spider eye]] to a potion of Night Vision.
** Mobs do not attack players until the player bumps into them.
** Potion also hides the player's name tag.

=== Mobs ===
; [[File:Wither JE1 BE1.png|36px]] [[Wither]]s
* New boss mob.
* Only available through external modification such as editing mob spawners, mods, or hacks. 
* It shoots exploding projectiles, wither skulls, and destroys nearby blocks. 
* Also has a [[boss]] health bar.

; [[Zombie]]s 
* Now has a chance to drop carrots and potatoes.

=== Non-mob entities ===
; [[Item frame]]s
* Crafted like a painting but with leather instead of wool.
* Used to hang items on a wall.
* Can be rotated in 8 directions.

=== General ===
; [[Settings]]
* Added new fullscreen toggle to the video settings.
* Added new use Vsync toggle in the video settings.
* Added an unused texture in gui/items.png.

== Changes ==
=== Blocks ===
; [[Beacon]]s
* Removed the "Work in Progress" block from the [[Creative]] menu.

; [[Fire]] 
* Spreads differently based on [[difficulty]].

; Mob spawners
* Now give less experience when the player farms them continuously.

; [[Sapling]]s
* Now have a smaller hitbox.

; [[Stairs]]
* Now auto-arrange into corners.

; [[TNT]] 
* Ignites if shot by a flaming [[arrow]].

; [[Trapdoor]]s 
* Can be placed in top-most position (based on cross-hair aim).

=== Items ===
; [[Dye]]s
* Leather [[armor]] can be dyed.
** The default color of leather has changed.
** The player can right-click a full cauldron with dyed armor to remove dye.
* Tamed [[wolves]]' collars can be dyed.

; [[Fire charge]]s 
* Shot from a [[dispenser]] or a [[Blaze]] creates the "fireball" sound effect.

; [[Map]]s
* Maps now align to a grid, making it easier to create adjacent maps.
* A [[compass]] and [[paper]] do now create an empty map.
** An empty map has no data on it until the player right click with it. 
** The point on the player's world where the player right clicked it is the map's center.
* A map (with data) can be cloned. Cloned maps are stackable.
* Maps can be zoomed out (but not zoomed in).

=== Mobs ===
; General
* Mobs (and all other entities) can travel through portals.

; [[Villager]]s
* The particle effect when a trade with a [[Villager]] has been successful has changed.

=== General ===
; [[Debug screen]]
* f: item on the debug screen now shows the exact direction the player is looking, between -180 and 180 degrees from the south.
* {{key|F3+P}} toggles the auto-pause when the window loses focus (mainly for debugging).
* {{key|F3+H}} toggles detailed item descriptions (also for debugging).

== Trivia ==
* This snapshot is one of the only two snapshots for ''Minecraft Java Edition'' to have its digits consecutively increasing by one. The only other snapshot to have this property is [[23w45a]].

== Fixes ==
; 4 bugs fixed
* Fixed zombies not burning in the [[sun]].
* Fixed graphical glitch with [[chest]]s and [[ender chest]]s.
* Fixed crash bug with [[beacon]]s.
* ''[12w32a]'' Silk Touch now works again.</onlyinclude>

== References ==
{{reflist}}

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

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