Player Motion data no longer updates while riding another entity

Arrows bounce off of mobs that are still red from taking damage and players when the arrow data is set to {damage:0.0d}

/setblock clocks are very laggy in the new snapshots

Shaders not working

Can't name a command block @p, @r, @a

Baby zombie hitbox too high. Affects player heads.

Piston does not retract when it has a redstone block on top

Nametag of certain mobs too low / too high

TNT Minecart despawns after quitting game.

If you use an external editing tool (MCEdit) to give an enchanted book with multiple enchantments, and you try to combine it with an item, it will only enchant it with the first enchantment on the list.

If you place a gravity affected block at the top of a tower (something that it can fall from really) and click on it a split second later, it will break, then fall

Skeletons do not use the bow drawing back movement.

Cannons can't push you horizontal because the player has friction with the ground even when airborne.

Pressure plated rail always sends power

Pressure Plates not turning off!

Dropped items bounce when dropped into a cauldron.

Joined one of my SSP worlds, and I crashed.

/kill <player> Doesn't work in the multiplayer console.

F3 + T does not reset the texture pack.

I was placing paintings and my game crashed.