Minecraft wiki entry for Development_versions, associated text: MC-7620 – Dropper duping glitch.
MC-7622 – Snapshot Crash when trying to break sugar cane.
MC-7623 – Thrown splash potion doesn't show "potion" inside it.
MC-7625 – Can't break blocks with nothing in hand.
MC-7775 – Minecart with TNT and activator track have no names.