Hi, is there any update on this issue? We ran into the same thing, AP.resize('100%', '100%') and AP.sizeToParent() doesn’t fill the available space and vh units cannot be used with resize to give it a proper height. We want to scroll the window to an element but it’s really inconsistent, sometimes element.scrollIntoView scrolls the whole page (outside of the iframe) and sometimes it does nothing. AP.scrollPosition.setVerticalPosition does not work either.