Quick reply from phone:
- we are removing qt4's webkit, so far we don't know about the whole qt4.
- gnome shell and kf5 have switched to the sni protocol wich is not supported in qt4, see #712938. The best solution is to port the app to qt5
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Lisandro Damián Nicanor Pérez Meyer
http://perezmeyer.com.ar/
http://perezmeyer.blogspot.com/