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I have an app which uses shared container storage in iCloud. I just use the 1st party share UI to create shares between users (UICloudSharingController). This works well for all of my users (thousands of them) except for one. I have many users successfully sharing an iCloud object but one has reported this bug (and has screenshots to verify it). When they share it with another user and that user accepts the share, they see the error: "The owner stopped sharing or you don't have permission to open it". When the owner looks at the list of people they've shared it with, they see the user they are targeting, but the user still gets this error message. They've tried: Deleting the share and recreating it Sharing with different methods (text, email, etc) Rebooting devices Nothing they do seems to work. I'm guessing there may be some setting that's stopping her device receiving shares or something, but not sure what's going on. Any advice would be helpful.

I can't work out how to use SwiftUI in a notification content extension. It always appears black for me when the extension runs.Here's the code in my extension right now:class NotificationViewController: UIViewController, UNNotificationContentExtension { override func viewDidLoad() { super.viewDidLoad() let child = UIHostingController(rootView: TaskCell_Previews.previews) addChild(child) child.view.frame = view.frame view.addSubview(child.view) child.didMove(toParent: self) NSLayoutConstraint.activate([ child.view.widthAnchor.constraint(equalTo: view.widthAnchor, multiplier: 1), child.view.heightAnchor.constraint(equalTo: view.heightAnchor, multiplier: 1), child.view.centerXAnchor.constraint(equalTo: view.centerXAnchor), child.view.centerYAnchor.constraint(equalTo: view.centerYAnchor) ]) } func didReceive(_ notification: UNNotification) { } }In this case, I'm just putting `TaskCell_Previews` in to try to get it working. Whenever I tap on the notification, it just shows a blank view (which has a 1-1 aspect ratio as that's defined in my plist).Thanks for any help/advice.