Additionally, as with push notifications, these features are only available on devices and browsers that fully support PWAs. Would you care to take a guess as to what the most notable exceptions might be? As you may have suspected, once again Safari on macOS and any iOS-based browsers are the culprits due to Apple's ongoing failure to implement industry standards. While Safari on both macOS and iOS does support graceful offline handling, it does
not support installation or badging (more on that below) at this time.
We would encourage you to make your frustrations known in public by applying virtual tar and feathers to Apple employees online until they relent and get their act together... or at least voice your support for these standards by continuing to reach out to
or
. Officially, the best place to communicate with Apple is via their
, and presumably they won't be able to continue to ignore a deluge of feature requests for the same thing... ?