Displaying the About Workbench Dialog on my Mac caused this warning message...

Displaying the About Workbench Dialog on my Mac caused this warning message "WARNING: Populating font family aliases took 242 ms. Replace uses of missing font family "13" with one that exists to avoid this cost".  The font was set in the HTML link that was placed in the label.  To fix the problem, the font is now set on the QLabel.