Quitting a world and reloading another one, without shutting down and reopening Minecraft causes a block rendering issue.

Lava rendering does not look right when looked at from a certain distance away.

Leaves on fancy graphics render opaque when viewed from a distance with mipmapping on.

Chests are not generating in abandoned mineshafts and stronghold storage rooms.

Caves (including ravines), Abandoned Mineshafts and Strongholds do not generate on top of the the last layer; instead, they generate no deeper than the second-last layer

Long-standing duplication bug.

Stained glass panes cannot be crafted from regular glass panes.

Silverfish sometimes appear outside of Monster Eggs.

Cocoa Beans do not spawn in dungeon chests.

Spiders and Cave Spiders cannot see through walls.

Crash with gravel or something like that!

Important! Must-Read! Enderman bugs!

Ghost blocks!

Top half of double plants is missing.

Monster Spawners spawning mobs in walls

Lava in the wrong Y-Coordinate

Block 175 Issues

Torch Bug

About the Bug Tracker, NOT Minecraft

Sandstone/Quartz Slabs do not match properties of their stair and full block versions

Large Fern Glitch

Mooshroom's mushrooms float instead of being on the mooshroom