In all cases :
* browse to a website that contains a frame that references to a target page outside of the URL scope
(http://www.kunstbezitvlaamsbrabant.be for example)
* open web inspector on any element in the page
* safari / webkit crashes
Even if this might be for security reasons, the app shouldn't crash. Also, for my sites I use a centralised database, the satellite sites I use are on the same server, the URl however is customised for every site to get things a bit more user-friendly. At the moment this makes Web Inspector unusable.