title: Swipe to pop makes images jittery
body: <p>When I do the swipe to pop gesture from a view controller with images to another there's a jittery glitch in the disappearing view (the 1px white line). I'm using the system swipe UIGesture. 
  Any idea on how to solve that? Thanks!
  <a href="https://i.stack.imgur.com/EkeRe.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/EkeRe.png" alt="enter image description here"></a></p>
  
  <p><strong>View Hierarchy</strong></p>
  
  <pre><code>+ Scroll View (container)
  | - ContentView
  | - - Header Image
  | - - Title Label
  | - - Author/ Date Label
  | - - Post Content
  </code></pre>
  
  <p><strong>Constraints</strong></p>
  
  <pre><code>        |
  |-[Header Image]-|
          |
  |-[Title Label]-|
          |
  |-[Author/ Date Label]-|
          |
  |-[Post Content]-|
          |
  </code></pre>