A validation issue was addressed with improved logic. This issue is fixed in macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tvOS 13, watchOS 6, iOS 13. A local app may be able to read a persistent account identifier.
| Software | From | Fixed in |
|---|---|---|
| apple / ipados | - | 13.1 |
| apple / iphone_os | - | 13.1 |
| apple / mac_os_x | - | 10.15 |
| apple / watchos | - | 6.0 |
| apple / tvos | - | 13.0 |