There's a new documentation page detailing supporting the notch: https://developer.apple.com/documentation/bundleresources/information_property_list/nsprefersdi

There's a new documentation page detailing supporting the notch: https://developer.apple.com/documentation/bundleresources/information_property_list/nsprefersdisplaysafeareacompatibilitymode https://developer.apple.com/documentation/bundleresources/in... For the apps that are not "notch-aware", system would change the available display area to avoid covering the content. A user would be able to set a compatibility flag in Finder to override this behavior.