Filed as FB23652582.
In Xcode 27 beta, this no longer compiles when the deployment target is below iOS 27:
@available(iOS 18.0, *)
@AppEntity(schema: .photos.asset)
struct AssetEntity: IndexedEntity { ... }
// error: 'asset' is only available in iOS 27.0 or newer
The identical source compiles under Xcode 26. It looks like the @AppEntity(schema:) macro now resolves .photos.asset to a declaration annotated for iOS 27, whereas in Xcode 26 it resolved to the (now-deprecated) iOS 16 declaration.
What seems off: the .photos.album entity in the same domain still builds fine at an iOS 18 deployment target — only .asset requires iOS 27. That asymmetry is what makes me think it may be an unintended availability change rather than a deliberate one.
Has anyone else hit this? And is this intended — i.e. is .photos.asset now meant to be iOS 27+ only, or should it still be usable from apps that deploy to iOS 18?