You maybe would have more change upstream if you reported it on https://gitlab.gnome.org/GNOME/gnome-session/issues
The system could prompt to ask if you allow the application to inhibit the screen locking and suspend, but in practice you would probably want to grant that permission for your webbrowser for e.g being able to play a youtube or netfix video without interuption. It could prompt by website but then it becomes tedious, do you really want to get asked that question on regular basis by random websites you browse? In short there is no obvious clean solution -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1600622 Title: Screen doesn't lock or go to sleep when certain Chrome tabs are open To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1600622/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs