Minecraft wiki entry for Parity_issue_list, associated text: Blast furnaces, dispensers, droppers, brewing stands, furnaces, enchantment tables, hoppers, smokers, stonecutters and cauldrons drop as an item even when broken by hand.[16]
Block breaking texture is darker.[17]
Block GUIs have an "X" button on the top right corner.
Light-emitting blocks are brighter and not shaded.[18]
Light-emitting blocks also appear brighter in the inventory.[19]