Minecraft wiki entry for Development_versions, associated text: MC-6735 – Crash at 13w02a Startup [Failed to start game].
MC-6737 – Hopper item looks odd when dropped.
MC-6738 – Texture of the furnace and the dispenser in the inventory are not showing the blocks "face."
MC-6742 – Biome's grass color does not get applied to the sides of the grass block in 13w02a.
MC-6744 – Looking at certain items crashes the game.
MC-6745 – The TNT Minecart is missing the ssss sound once triggered.
MC-6746 – Minecart with TNT fails to return correct items when removed by player.
MC-6758 – Ghast's Fireball texture does not display right texture, instead showing textures for diamond helmet.
MC-6764 – Blocks and items' textures display a white texture.
MC-6771 – Stitched_terrain.png and stitched_items.png on desktop.
MC-6772 – Cauldrons have no bottom texture inside.
MC-6774 – TNT Minecarts cannot be dispense from a dispenser onto rails.
MC-6808 – Lever placed on top of Hopper don't stop the leaking.
MC-6834 – TNT Minecarts disappear on Reload.
MC-6852 – Crash after opening the world.
MC-6861 – [Regression] Brewing Stand does not show water bottles/potions in world.
MC-6891 – Furnace fed by hopper doesn't show the fire animation.
MC-6916 – TNT Minecarts don't appear in nether after being sent through portal.
MC-6936 – Disabled hopper doesn't suck up items entities correctly.
MC-6953 – No Quartz sprite in textures.
MC-6964 – When crafting wooden planks in inventory, double clicking on planks would give you that item, without taking away the logs.
MC-6974 – Hoppers transferring items too fast.
MC-7055 – Hopper still duplicating items.
MC-7078 – Minecraft not loading textures.