Crashing at launch.
Some kind of work around found :
Still crashes if the address bar is clicked
Can't open preference pane (menu or keyboard shortcut)
Getting either one of these errors
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC
BADINSTRUCTION (SIGILL)
Exception Codes: 0x0000000000000001, 0x0000000000000000
Exception Note: EXC
CORPSENOTIFY
Termination Signal: Illegal instruction: 4
Termination Reason: Namespace SIGNAL, Code 0x4
Terminating Process: exc handler [5452]
Application Specific Information:
Crashing on exception: The window has been marked as needing another Layout Window pass, but it has already had more Layout Window passes than there are views in the window.
Or
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC
CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXCCORPSE_NOTIFY
Application Specific Information:
terminating with uncaught exception of type NSException
abort() called
Sorry @alexrogan (but thanks) this thread ain't over ;)
Really looks like an Apple issue.