Thank you Matt. I've succeeded in enabling my Network Configuration by following your instructions. Also, thanks for an additional advice about URLSessionTaskMetrics.

Thank you for replying. I pasted URLs of my code, but it seemed that my GitHub username was suppressed with asterisks. I paste them again, so please could you replace 3 asterisks with k+k+k (without +) in the following URLs? Code 1 - https://github.com/kkk669/DNSecure/blob/cba9537ae4abca8a57444305dbdb31aaaeaab879/DNSecure/Views/ContentView.swift#L65 Code 2 - https://github.com/kkk669/DNSecure/blob/cba9537ae4abca8a57444305dbdb31aaaeaab879/DNSecure/Views/ContentView.swift#L85 Screenshot - https://github.com/kkk669/DNSecure/issues/34#issuecomment-757992857