Minecraft wiki entry for Development_versions, associated text: New strings within the game were made available for internationalization:
World selection error messages
Customized superflat preset names
Spectator-mode-specific options and messages
In the Options menu: the words "chunks" and "fps"
In item tooltips: the words "Color: ", "NBT: " and "Durability: "
The F3+Q keybindings display text, and text associated with other F3 actions
Text associated with downloading resource packs from servers.