*The delimiter for forwarded messages can now be configured.
*An option to not strip signatures on reply has been added to prevent top signatures from deleting the body.
*The Gamepad API has been finalized and enabled
*navigator.plugins is no longer enumerable, for user privacy.
*ECMAScript Internationalization API has been enabled.
*'box-sizing' (dropping the -moz- prefix) has been implemented.
*SharedWorker is now enabled by default.
*CSS3 variables have been implemented.
*Console object is now available in Web Workers.
*Promises have been enabled by default.
*<input type="number"> has been implemented and enabled.
*<input type="color"> has been implemented and enabled.
*Fixed several stability issues.