This year's WWDC they broke down how to use the debugger and some advanced tips (2 sessions that you can watch online: https://developer.apple.com/wwdc/videos/

This year's WWDC they broke down how to use the debugger and some advanced tips (2 sessions that you can watch online: https://developer.apple.com/wwdc/videos/ https://developer.apple.com/wwdc/videos/). Btw, new Safari seems to have changed the UI again, this time for better the icons are bigger now :)