Our apps contain In-App Purchases. We are using server-side validation to validate purchase receipts for non-renewing subscriptions and client validation for auto-renewable subscription. The problem is that when we do the non-renewing subscription receipt validation the apple server need us to upload the shared secret key otherwise it will return 21003 error. Can I avoid to upload the shared secret key?(since our server api can not do that)

We are experiencing that the download and installation does not finish on TestFlight when running an active packet tunnel. Only after disabling the VPN and pausing/resuming the download on the home screen, the upgrade succeeds on iOS13Could a similar scenario also happen when upgrading live apps from the app store, given that they are running a packet tunnel? Or are these fundamentally different processes?Or just the bug of TestFlight ?