Yeah… Y.App's `render()` method adds class names to the `container` and `viewContainer` nodes. If I put these on the nodes in my templates when rendering server-side I wouldn't need to call super's render. Having these class names is required for the transitions to work properly.

Here's what it does: https://github.com/yui/yui3/blob/master/src/app/js/app-base.js#L283-305