= Qt Bugs effecting Chimera 2 =

 - Toolbar tooltips don't go away promptly [https://bugreports.qt-project.org/browse/QTBUG-26669 26669]. Mac.
 - Mouse tracking broken [https://bugreports.qt-project.org/browse/QTBUG-29751 29751].  Don't get mouse motion events unless a mouse button is pressed.  Wanted this to detect mouse pauses for showing atom specs. Mac.