Minecraft crashes with this command.

Comparators not interacting with command blocks correctly.

XP Orb Sound Bug

"/setblock" command placing at wrong coordinates

TNT doesn't always activate when activated with redstone.

Water has grid-lines in between water blocks

Graphical error when destroying redstone.

Pistons are powered by blocks that are two blocks above them.

When you interact with mobs (Ex. hitting them) the sides of clouds disappear.