Let get right to the issue. iOS safari does re-size the view until navigation bar gets to It’s minimal height. Hence does not scrolling at start of scroll gesture. And it does not trigger onresize event while re-sizing to get navigation bar smaller. This is clearly an issue. I propose two solution for it.
Elements are not always fully appearing. While scrolling i see render issue (not rendering part of the element) until scroll ends.
We had a request from a customer for creating a simulator from ground up with python where it should have the ability to run on multiple platforms. And we happily accepted the project, In implementation we where very careful about physics methods we used.