Would be awesome if there was a setting for the viewport-fit. On devices with notches like the iPhone 12 for example, headers or sections are cut off on the left and right to prevent content from being hidden behind the notch. This can be very unpleasant in some situations.
A simple toggle for the viewport-fit value – per site or globally – would make life so much easier!
I made a quick mockup of what this could look like inside of the page settings tab: