- 
    
Bug
 - 
    Resolution: Done
 - 
    
P3: Somewhat important
 - 
    None
 - 
    5.4.1
 - 
    None
 - 
    Linux X11
 
QWidget::setWindowRole should set WM_WINDOW_ROLE as a window property. The current code updates a member variable which is then unused, it is not passed to the relevant QWindow.
The XCB backend has no calls to set the WM_WINDOW_ROLE.
Further information and the problems it causes: https://bugs.kde.org/show_bug.cgi?id=345924
- relates to
 - 
                    
QTBUG-49939 QGuiApplication wrongly tries to ::tryCloseAllWindows() in QGuiApplicationPrivate::commitData()
-         
     - Closed
 
 -