oo}}</code> will be <code>undefined</code>. Accessing arguments as
<code>{{@foo}}</code> will continue to work.</li>
<li>If this feature is enabled in an application with existing template-only
components, the removal of the wrapping <code>&lt;div&gt;</code> will happen to all uses of
those template-only components. This can impact style and logic in a breaking
manner.</li>
<li>Passing classes to an invocation (i.e. <code>{{my-component class="..."}}</code>) will
no longer result in those classes being pres