Earlier quoted context omitted.
I know the scrolling issues we're bugs in webkit. Google (I believe) started to employ a webkit dev to fix the problems.
No, not really. Most UX issues with AMP on Safari rather stem from the approach Google has taken with the html. For instance, it’s not a WebKit bug that tapping the top of the screen on an AMP page does not scroll to top - something that works on virtually all other webpages.
As for other work on scrolling:
Person contracted to fix some webkit issues: http://frederic-wang.fr/amp-and-igalia-working-together-to-i...
HN discussion made some news about scrolling changes made due to AMP's bug reports: https://www.macrumors.com/2017/05/22/scrolling-changes-comin...