I reported it to Apple, but I didn’t get a reply from Apple

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import UIKit import CoreData @UIApplicationMain class AppDelegate: UIResponder,UIApplicationDelegate{     func application(_ application:UIApplication,didFinishLaunchingWithOptions launchOptions:[UIApplication.LaunchOptionsKey:Any]?)-Bool{          //Cannot convert return expression of type 'Void' to return type 'Bool'         UNUserNotificationCenter.current().requestAuthorization(options: [.alert,.sound,.badge]){(granted,error)in             if granted{                 print("User notifications are allowed.")                              }else{                 print("User notifications are not allowed.")             }                      }              } }

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I wrote a separate agent module and it works fine. The combination is normal. It's normal in Xcode. Run the program to the simulator, or the real machine. There is only one agent module. The entire program cannot be displayed.

After downloading, install the description file on the iPad, reboot, and you will receive the update of iPad OS15. Since the beta version is unstable, take a backup first. Updating iPad OS15

My system version is Big Sur 11.3.1. Please make sure you have enough storage space. After I uninstalled Xcode12, I installed Xcode-beta-13 and it works fine

https://docs.getui.com/getui/mobile/ios/apns/ refer to this website Create a P12 certificate and upload it to Firebase Create Firebase with multiple server keys and use Testflight for notifications