It seems Notification API not working properly in qupzilla/qtwebengine:
No reaction when call Notification.requestPermission().
I don't see how i can grant permission to site. Default permission is 'denied', so notifications don't work
I checked on this page: MDN
Qupzilla 2.1.2
QtWebEngine 5.7.1
It seems Notification API not working properly in qupzilla/qtwebengine: