Minecraft Wiki
Minecraft 13w06a
Java Edition 13w06a.png

Java Edition



Release date

February 7, 2013

Snapshot for



Original client (.json)
Reuploaded client (.json)
Server (.exe)

Protocol version


13w06a is the ninth snapshot released for Java Edition 1.5, which adds the minecart with spawner.[1]

13w06a was reuploaded later on February 7, 2013, to fix a crash on the loading screen[2] and an issue where all minecarts had turned into minecarts with spawners.


Non-mob entities[]

Minecart with spawner
  • NBT structure is 100% the same as with normal mob spawners.
  • It is not an obtainable item, but can only be added as an entity with external editors.



  • The hitboxes of fences with inner corners have changed - they now much more closely match the shape of the fence itself, rather than being its convex hull (a solid cuboid).
  • Now extend instantly if they're not pushing a block.


  • Some new lighting optimizations.



Distance effects
  • Fence block collision boxes no longer lose precision at extreme coordinates.
    • This is without a doubt linked to the hitbox changes mentioned above.


24 issues fixed
From released versions before 1.5
  • MC-68 – Spawning in the air after creating a new world.
  • MC-69 – Pigs constantly jumping, when player control them on half slabs and stairs.
  • MC-220 – Z-fighting of iron bars / glass panes with the block below / above.
  • MC-855 – Graphical piston glitch.
  • MC-1524 – Baby mob collision boxes are too large.
  • MC-2512 – Village lamp post floating torches.
  • MC-4268 – Wither skeletons have wrong hitbox.
  • MC-7344 – Trapdoor is closed when redstone repeater is one block below and powered.
  • MC-9259 – FallingSand support for block IDs > 128.
From the 1.5 development versions
  • MC-6019 – Double trapped chest, makes two sounds when opening and closing.
  • MC-6753 – No sound from some trapped chests.
  • MC-7039 – Villager trade menu missing name.
  • MC-7543 – Trapped chest blocked by a block still allow hopper to place items in them.
  • MC-7652 – Placing a block East of the Hopper makes the inside appear black.
  • MC-8198 – Piston pushing piston bugs / piston duplicating piston.
  • MC-8375 – Scoreboard bug.
  • MC-8480 – Crash when trying to load a world. Does not happen 100% of the time.
  • MC-8776 – Comparators do not update their output signal.
  • MC-8998 – Team option "friendlyfire" is not saved to disk; resets upon map reload.
From the previous development version
  • MC-9140 – Scoreboard name duplication glitch.
  • MC-9214 – Objective scores displayed in the player list no longer work after a team color is applied.
From the current version, hotfixed
  • MC-9316 – Snapshot 13w06a Immediately Crashes upon loading world red crash screen.
  • MC-9319 – Normal Minecarts spawn Pig-Spawner minecarts.
  • MC-9328 – Incorrect /kill death message.