On a popular internal test app running under Impeller the edges of a Google Map platform view will cause flickering in the Flutter overlay while scrolling. The flickering lines always disappear when the scrolling stops even if the finger is still engaged on the screen so it likely is only happening during interpolated scroll positions (non-integer?). The flickering also only happens on the leading edge of the Map view so on the bottom edge while scrolling it down underneath the bottom nav bar and on the top edge when scrolling it up from underneath the same nav bar.