Apple is expected to debut Safari 5 later today at WWDC 2010, a leaked report claims. Safari 5 will have a slew of features over Safari 4, the company’s existing mobile browser. These features will include Reader, which will make it easy for consumers to read articles in a single, clutter-free page; tabbed browsing, a much requested feature that will make opening new pages easier; Bing, a third new search option, in addition to Google and Yahoo!; 25% faster Javascript execution and much more. We have published the full list from leaked documents below.