Templates can use <code>...attributes</code> to target attributes and element modifiers
passed from an angle bracket invocation.</li>
</ul>
<p>Enabling this feature makes template-only components more consistent with
angle-bracket invocation and with Glimmer components. Additionally it improves
the performance of template-only components (there is no JS object instantiated
to provide context) and makes them an excellent replacement for use of Ember's
more complex and now discouraged API <code>{{partial</cod