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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipados | Apple | * | 13.1 (excluding) |
| Iphone_os | Apple | * | 13.1 (excluding) |
| Mac_os_x | Apple | * | 10.15 (excluding) |
| Tvos | Apple | * | 13.0 (excluding) |
| Watchos | Apple | * | 6.0 (excluding) |