title: Embedded YouTube iframes No Longer Autoplay
body: <p>We have a number of video references in our web app which lazy load YouTube videos as embedded iframes.  We want to have the videos autoplay so a single user click will suffice to load the YouTube iframe into the page and start its playback.  We've had this working as recently as a few months ago, but the autoplay is no longer occurring.  I know there was an update to Google/YouTube policies in the spring of 2018 which limited autoplay; has there been a more recent change I don't know about?  Otherwise, does anyone know why this might have stopped working?</p>
  
  <p>I've tried the most recent iframe examples I could find online, with several variations (e.g., with and without mute=1).  None of these seem to work.</p>
  
  <p>Here's an example of our iframe markup:</p>
  
  <pre class="lang-html prettyprint-override"><code>&lt;iframe allow="autoplay" frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/sapLz6NjvJk?autoplay=1&amp;origin=https://OurWebsiteDomain" title="Bug Week " height="278" data-ytbridge="vidSurrogate2" style="width: 100%;"&gt;&lt;/iframe&gt;
  </code></pre>