       <span class="link-text">
              Native Classes
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember340982" class="ember-view" data-test-toc-link="Tracked Properties" href="/v3.19.0/upgrading/current-edition/tracked-properties">
            <span class="link-text">
              Tracked Properties
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember340983" class="emb