Java Edition 13w06a

13w06a is the ninth snapshot released for 1.5.

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.

General

 * Lighting
 * Some new lighting optimizations.

Fixes
24 bugs fixed

From released versions before 1.5
 * – Spawning in the air after creating a new world.
 * – Pigs constantly jumping, when player control them on half slabs and stairs.
 * – Z-fighting of iron bars / glass panes with the block below / above.
 * – Graphical piston glitch.
 * – Baby mob collision boxes are too large.
 * – Village lamp post floating torches.
 * – Wither skeletons have wrong hitbox.
 * – Trapdoor is closed when redstone repeater is one block below and powered.
 * – FallingSand support for block IDs > 128.

From the 1.5 snapshots
 * – Double trapped chest, makes two sounds when opening and closing.
 * – No sound from some trapped chests.
 * – Villager trade menu missing name.
 * – Trapped chest blocked by a block still allow hopper to place items in them.
 * – Placing a block East of the Hopper makes the inside appear black.
 * – Piston pushing piston bugs / piston duplicating piston.
 * – Scoreboard bug.
 * – Crash when trying to load a world. Does not happen 100% of the time.
 * – Comparators do not update their output signal.
 * – Team option "friendlyfire" is not saved to disk; resets upon map reload.

From the previous snapshot
 * – Scoreboard name duplication glitch.
 * – Objective scores displayed in the player list no longer work after a team color is applied.

From the same version (reupload)
 * – Snapshot 13w06a Immediately Crashes upon loading world red crash screen.
 * – Normal Minecarts spawn Pig-Spawner minecarts.
 * – Incorrect death message.

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