title: Hi i have wordpress revolution slider errors Uncaught TypeError: Cannot read property 'is_mobile' of undefined
body: <p>JQMIGRATE: Migrate is installed, version 1.4.1</p>
  
  <pre><code>revolution.extension.actions.min.js?ver=5.3.1.5:7 
      Uncaught TypeError: Cannot read property 'is_mobile' of undefined
  </code></pre>
  
  <p>Does anybody know what this issue could be? It is slowing down my site and I would like to fox it.</p>