Apple started sending following warning messages about UIWebView deprecation.
ITMS-90809: Deprecated API Usage - App updates that use UIWebView will no longer be accepted as of December 2020. Instead, use WKWebView for improved security and reliability. Learn more (https://developer.apple.com/documentation/uikit/uiwebview).After you’ve corrected the issues, you can upload a new binary to App Store Connect
this flag works together with the set to or.