New answers tagged gui-construction
I can confirm that this occurs (using the above code and clicking "panel format…") using Mathematica v.10.0.0 on OS X 10.9.4 (64-bit). I can't provide any further help on the MWE for this, as I'm still learning to use MMA as a coding language, rather than a fancy CAS. I've uploaded a copy of the OS X crash log here. EDIT: As Mr. Wizard observed, this ...
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