Thanks very much - will test on macOS next. EDIT: It must be me, as I am still not having any luck. I just tested in a slightly older macOS VM (10.12) with Goo

Thanks very much - will test on macOS next. EDIT: It must be me, as I am still not having any luck. I just tested in a slightly older macOS VM (10.12) with Google Chrome 81; even after installing the profile, Dark Reader continues to work on sites that should be excluded.