Ionic 2 release - Infinite Scroll on iOS

I have just updated from RC to release for Ionic 2 and it appears that the infinite scroll on a iPhone is no longer working. It worked before (although sometimes there were slow downs), now it only shows the number of items defined in the page and does not go any further.

It works fine in the browser (chrome) and is ok on an Android device.

btw - apart from the scroll everything else on the iPhone is ok.

I found the issue. It worked after I re-installed the ios platform along with WKWebView (