Minecraft wiki entry for Development_versions, associated text: The localization key for the offhand keybinding was changed from key.swapHands to key.swapOffhand.
Changed the description of fancy graphics to "'Fancy' graphics balances performance and quality for the majority of machines. [New line] Weather, clouds and particles may not appear behind translucent blocks or water."
Was previously "'Fancy' graphics balances performance and quality for the majority of machines."
Changed the description of fabulous graphics to "'Fabulous' graphics uses screen shaders for drawing weather, clouds and particles behind translucent blocks and water. [New line] This may severely impact performance for portable devices and 4K displays."
Was previously "'Fabulous' graphics enables screen shaders to draw translucent objects per-pixel. [New line] This may severely impact performance for portable devices and 4k displays."
Changed the description of the offhand swap key in the controls section from "Swap Item In Hands" to "Swap Item With Offhand".