1. Load http://nightly.enyojs.com/latest/sampler/ ->Enyo Core -> Scroller.
2. Click the right bottom "Open Sample in new tab" button.
3. In the new page loaded, you will find the scroller area is not displayed. Please see the screenshot attached.
firefox15 &Chrome 21
covered by enyo-1442 - this one came earlier, but that one has more detail so keeping it
Retested and it is fixed