title: How I may to render array of arrays in twig, Drupal 8?
body: <p>I have the following {{dump () }} output of my template, which has 'rows' variable which has array of arrays:</p>
  <p><a href="https://i.stack.imgur.com/RN82b.png" rel="nofollow noreferrer">Dump output</a></p>
  <p>Question: How it's possible to render each array (ie feedback) in twig template?</p>