title: ITMS-90809: Deprecated API Usage - existing app that use UIWebView are no longer accepted
body: <blockquote>
    <p>ITMS-90809: Deprecated API Usage - Apple will no longer accept submissions of new apps that use UIWebView as of April 30, 2020 and app updates that use UIWebView as of December 2020. Instead, use WKWebView for improved security and reliability.</p>
  </blockquote>
  
  <p>I am trying to update an existing app, not a new app. Still I am not able to upload the app. I got this error via email:</p>
  
  <hr>
  
  <pre><code>We identified one or more issues with a recent delivery for your app, "App Name" 20202.421.1 (6). Please correct the following issues, then upload again.
  ITMS-90809: Deprecated API Usage - New apps that use UIWebView are no longer accepted. Instead, use WKWebView for improved security and reliability. Learn more (https://developer.apple.com/documentation/uikit/uiwebview).
  </code></pre>
  
  <hr>
  
  <p>Did Apple change its policy or something? Or do I need to change <code>UIWebView</code>?</p>