title: Can't find stack view button on Xcode
body: <p>I am studying Xcode from the official apple website and it explain how to merge ui elements with the button "stack view" , I have the latest version of Xcode, but I can't find this button, how I can create a stack view or similar thing?</p>
  
  <p>From the official doc:</p>
  
  <p><img src="https://i.stack.imgur.com/UDs47.png" alt="enter image description here"></p>