ASSERTION FAILED: [_targetView window] (Users/matt/Code/WebKit/WebKit/WebInspector/WebNodeHighlight.m:251 -[WebNodeHighlight(FileInternal) _repositionHighlightWindow]) 1. Open Safari and load a site 2. Open the Inspector and dock it to the window 3. Open a new tab 4. Resize the window 5. Assert -> *BOOM*
This will be fixed once bug 14254 is fixed.
*** Bug 15349 has been marked as a duplicate of this bug. ***
You also hit this assert if you have the inspector open and just open a new tab (if it's your first new tab and you have the tab bar hidden).
<rdar://problem/5712940>
A lot of work has been done in this area and I can no loner reproduce. can you please verify if this is fixed.