• Added forEach, keys, values, and entries methods to NodeList.
• Added event.cancelBubble.
• Added dummy properties scrollWidth, scrollHeight, clientTop, clientLeft, clientWidth, and clientHeight that always return 0 to all elements. (@alistairjcbrown)
• Updated many aspects of Blob, File, and FileReader to better match the File API specification. (@TimothyGu)
• Fixed the progress and readystatechange events fired by XMLHttpRequest to match recent specification changes and test updates.
• Fixed element.getClientRects() to return an empty array, instead of an array containing a dummy bounding box. (@alistairjcbrown)
• Changed navigator.vendor to return "Apple Computer, Inc." instead of "Google Inc.", since we have chosen the WebKit navigator compatibility mode.