Hi,
Since I couldn't reproduce my issue on codepen, I uploaded the demo here.
http://66design.jp/forum-demo/1/
When I pinned element includes video, this video flickers when I scroll and left the finger from the screen. like this capture.
http://66design.jp/forum-demo/1/cap.mp4
it not happens on PC. (not yet tested on Android)
Are there any workarounds?
thanks