Script</a> mode.</li>
    <li>Full <a href="https://github.com/codemirror/CodeMirror/compare/3.20.0...3.21.0">list of patches</a>.</li>
  </ul>

  <p class="rel">21-11-2013: <a href="http://codemirror.net/codemirror-3.20.zip">Version 3.20</a>:</p>

  <ul class="rel-note">
    <li>New modes: <a href="../mode/julia/index.html">Julia</a> and <a href="../mode/pegjs/index.html">PEG.js</a>.</li>
    <li>Support ECMAScript 6 in the <a href="../mode/javascript/index.html">JavaScript mode</a>.</li>
    <li>Improved 