Continuous crashing,

When right clicking with tools or items while a bow is in the off hand, both will play the animation at the same time for when an item is chosen.

Crafting a map to level 4/4 crashes the client

Thunderstorms light level is still as bright as normal rainstorms

Boats crash too much

Donkeys despawn bug (Singleplayer)

You cannot play Minecraft version 1.5 in the launcher

Controlling pigs using carrot stick does not work sometimes

Spawn eggs cannot spawn baby zombies / zombie piglets by right clicking on zombie (pigman)

"player was knocked into the void by player" doesn't appear

Jukebox sound radius is odd

Using a spawn egg that cannot be obtained in the creative menu performs no action.

Australian Translation Pack is offensive

Bonemeal in dispenser consumes the bonemeal even when there is no crop!

A hopper can move coal, wood, lava etc. into an oven, but cannot move in ores, raw meat, cobblestone etc.

Minecraft Crashes If Redstone Wire has been obtained using cheats

Chests cannot be opened with dirt on top, but they can if it's farmland.

Joining a multiplayer game shows incorrect gamelog

Can't update to Minecraft 1.4.6

Chickens can lay eggs while dying

If the player into lava in multiplayer then disconnects, if they reconnect they will be immune to the lava.

If the player falls into void in multiplayer and disconnects when reaching Y-64 and then reconnects, they do not take damage.

If you attack another player and you have a dog, the dog will growl forever and give no damage

Minecraft Crashes When Nether Portals are one of the layers In Superflat

Mobs Not Spawning In Superflat Jungle Biome

Superflat World Tunneler's Dream Incorrect Cloud Position

Spawning In Blocks When Creating A New World

Minecraft LAN World Not Working