Java Edition 13w03a

13w03a is the fifth snapshot released for 1.5.

Additions

 * Added a Minecart with Hopper
 * Crafting recipe is a hopper on top of a minecart
 * Can only be emptied by passing over a hopper
 * Can pick up items it passes over
 * Added a new Dropper block.
 * Places items in containers in front of them, if there is no container it will dispense the item without using it
 * A dispenser 'shoots' items at you, while a dropper 'throws' items at you
 * Crafting recipe is 7 cobblestone in the shape of a ∩, a hopper in the middle, Redstone at the bottom
 * Added  command to test for players, use comparators to get an analog redstone signal indicating the amount of found players

Changes

 * Improved command blocks
 * Comparators fed by command blocks will now indicate whether the last run command was run successfully
 * Improved detector rails
 * Comparators powered by them now give out a signal depending on the fullness of the container on the rail
 * Improved Quartz blocks
 * Pillar Quartz Blocks can now be placed in any orientation – placement works like with wooden logs
 * Improved the menu
 * Added some new chat options in multiplayer menu: Focused Height, Unfocused Height and Width
 * Moved the texture packs button (no longer appears on the main menu) – You can now change texture packs in-game
 * Improved Minecart with TNT
 * When blown up using activator rails, they no longer destroy rails and supporting blocks
 * Still blows up redstone materials
 * Creating an infinite water source no longer needs a block underneath, but has to have a water source block.
 * This means you won't ruin rivers/oceans with Buckets
 * Made skeletons significantly harder to melee
 * Scales to difficulty
 * They now shoot faster when their target is closer
 * They shoot players one block away
 * Made zombies harder to shoot
 * Scales to difficulty
 * They now group up on targets
 * When on fire, they can now set players on fire
 * Now become aggressive and come towards you when shot from further away

Fixes
21 bugs fixed


 * Fixed " was knocked into the void by " failing to show
 * Fixed TNT carts exploding instantly when derailing
 * – Dying stacked leather armor duplicates the armor
 * – Water does not form source blocks properly on top of existing source blocks
 * – Powered/activator rail on slope stays powered/activated
 * – Jukebox crashes when breaking with no record inside
 * – Wither In Peaceful spawns very glitchy
 * – Block breaking resets when the item you're holding changes
 * – Clicking on items in inventory is delayed or does not work
 * – World generating in stripped parts
 * – Daylight sensor emits power in the nether even though there's no day or night there
 * – Game crashes trying to render blocks 55, 64, 71, 95 as items
 * – Doubled up TNT Carts creates huge lag ("Nuclear minecarts")
 * – Debug file "stitched_items.png" overlays textures on itself
 * – Hoppers grab/put items from/into chests that aren't connected
 * – Melon and Pumpkin seed stems use the fully grown texture scaled down to the right size
 * – Cake uses inside texture on all sides when placed
 * – Hopper doesn't get the correct powered state when placed
 * – More items going into a hopper than it can hold can duplicate the items
 * – Hopper's name doesn't change in its GUI after renamed in anvil
 * – Death message shows java entity name (w/ fireballs)

Reupload
13w03a was reuploaded later on January 17, 2013, to fix the dropper duplicating items, the inability to break blocks with your hands and random crashes when breaking blocks/items.