A Mac app I maintain needs Full Disk Access. It measures disk usage, and most of what is worth measuring sits behind that permission. I switched it on in System Settings ▸ Privacy & Security ▸ Full Disk Access, and the app went on reporting limited access. Its banner said what these banners say: already granted? Relaunch. Relaunching changed nothing, and never could have. The app did not validate A permission is granted to an app, and to macOS "the app" is not a name. So t...