Caves and Floating Islands world types generate with Netherrack and End Stone

Redstone torches on amethyst blocks do not turn off when powered

It's not made clear that editing a suggestion will bring it back to "pending approval"

Feedback submission mysteriously disappeared without explanation

Cannot edit text in superflat preset box

Command blocks do not work properly after switching from Chain

Command block minecarts do not have new modes

The End stops generating around X/Z ~= 524200

Superflat presets only work with/still use numeric block IDs

Endermen no longer teleport out of water

Spectators count as "players" for purposes of sleeping in SMP

The Enderdragon can break command blocks.

Maps in item frames do not appear.

Attempting to teleport to X/Z:30,000,000 doesn't work, despite message that indicates otherwise

Draw order-related graphical errors involving stained glass

Superflat seed preset box is labeled incorrectly

Dying in hardcore mode takes you to the multiplayer screen

Signs placed on walls have a gap behind them.

Removing an item frame with a map doesn't remove the marker

Water current force is broken again

Loading a world that has been moved or deleted causes a crash