Distro is Fedora 26.
The browser is Vivaldi: User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/60.0.3112.105 Safari/537.36 Vivaldi/1.92.917.43
Cockpit: 155
It is not working either on Firefox 57.0b14 (64-bit): Nothing happens when I click on
"Download report".
Same with Firefox 56.0 (64-bit).
Fuji