As a workaround I found this GNOME extension: https://extensions.gnome.org/extension/517/caffeine/
If you go into F11 fullscreen during playback, the screen no longer blanks. :-) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1697373 Title: [screensaver] Screen blanks during video playback in Chrome and Firefox under Xwayland To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1697373/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
