              Native Classes
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember511451" class="ember-view" data-test-toc-link="Tracked Properties" href="/v4.4.0/upgrading/current-edition/tracked-properties">
            <span class="link-text">
              Tracked Properties
            </span>
          </a>
        </li>
              <li class="toc-item toc-link ">
          <a id="ember511452" class="ember-view" data-test-toc-link="@act