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    Bug 
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    Resolution: Done
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    P2: Important 
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    5.11.0 Beta 4, 5.11.2, 5.12.0 Beta 4
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    None
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    Qt 5.11 Beta 4, macOS 10.13.4, Demobrowser from 5.9 sources
 Qt 5.13.2, Qt 15.4.0 Beta, macOS 10.15.1
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        f70421bfc0f0c1b4da730154b49f425a6b0bb08e (qt/qtbase/dev) 93c934acc82ae8f62566387deaadb53a04535717 (qt/qtbase/6.2) 3f133f60d9d0335887b9e92d9eac59876541f90b (qt/tqtc-qtbase/5.15)
If a WebEngine application is not in fullscreen mode before a video that it displays is put in fullscreen, it will be in fullscreen mode (i.e. maximised and on a separate desktop on macOS) after the fullscreen video is exited.
Edit: Not WebEngine specific. Can also be reproduced with the attached example with just a QMainWindow and a QWidget.
- is duplicated by
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                    QTBUG-95947 FullScreen window can't be hidden -         
- Closed
 
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- relates to
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                    QTBUG-46701 Closing a full screen window via Qt APIs leaves the screen black on macOS -         
- Closed
 
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                    QTBUG-52450 macOS: Closing a window that's in fullscreen removes the window, but doesn't exit fullscreen -         
- Closed
 
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                    QTBUG-53286 Consistent QWindow close event behavior -         
- Closed
 
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- mentioned in
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