Seems to affect most/all permissions, e.g. https://bugs.webkit.org/show_bug.cgi?id=213468
Looks like persistent permissions might be in the iOS 15 beta though: https://bugs.webkit.org/show_bug.cgi?id=228317
Also appears that they're implementing the Permissions API:
https://bugs.webkit.org/show_bug.cgi?id=229504
https://bugs.webkit.org/show_bug.cgi?id=229590
Seems to affect most/all permissions, e.g. https://bugs.webkit.org/show_bug.cgi?id=213468
Looks like persistent permissions might be in the iOS 15 beta though: https://bugs.webkit.org/show_bug.cgi?id=228317
Also appears that they're implementing the Permissions API:
https://bugs.webkit.org/show_bug.cgi?id=229504
https://bugs.webkit.org/show_bug.cgi?id=229590