title: QWebview not showing on Widget box
body: <p>I am using <code>Qt 5.6</code>, and the problem is that <code>QWebView</code> is not appearing on the widget box. It looks like the widget is not installed, but I haven't found any way to install it.</p>
  
  <p><a href="https://i.stack.imgur.com/H9mqY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/H9mqY.png" alt="QWebView issue"></a></p>