CoreData.NSManagedObjectModel
public static func makeManagedObjectModel(for entityTypes: any SwiftData.PersistentModel.Type..., mergedWith managedObjectModel: CoreData.NSManagedObjectModel? = nil) -> CoreData.NSManagedObjectModel?
It's more difficult than it used to be to find what changed in Apple SDKs. This page is automatically generated and shows what is new in _SwiftData_CoreData in the macOS 26.0 SDK.