title: Async checkbox on Google Chrome dev tools missing
body: <p>Can't find this checkbox in new versions of Chrome. Can anyone give a hint where it's gone?</p>
  
  <p><a href="https://i.stack.imgur.com/fXfpc.gif" rel="noreferrer"><img src="https://i.stack.imgur.com/fXfpc.gif" alt="async checkbox"></a></p>