Finding the hidden developer menu in OS X El Capitan and earlier Safari long had a hidden Debug menu that contained useful capabilities. Originally intended to assist developers in debugging web ...

In addition to the new Days In Week View option another useful trick enable by the Debug menu is the ability to open multiple iCal Calendar windows with Command+L, which is super-useful to compare ...

Learn how to add the Debug menu to Safari 4 (and why you might want to).