When a zombie's leg is underwater, and the player is more than 10 blocks away, the leg does not render.

You dismount from a boat when you disconnect on a Multiplayer server

On a Multiplayer server, when riding a boat, the sky flashes to cyan randomly

Particles are trapped in a newly placed block

I sometimes teleport back to where I was. (Multiplayer-only)

You can't gain speed using Ctrl if you are flying and have Speed 4.

Amethyst buds grow sideways, and act as a solid block.

Levitation does not work in Auto-Jump

Auto-Jump does not work if the block you are jumping from has snow on it.

Auto-Jump is not reliable