CupertinoPageRoute - Back Swipe missing frames #91937
Description
When swiping back on a CupertinoPageRoute, the first few frames are skipped.
After a few missing frames the animation becomes 100% smooth.
Every time you start the back animation a few frames are skipped again.
Tested on devices: iPhone X, iPhone 12 Pro Max
RPReplay_Final1634341407.MP4
Flutter (Channel master, 2.6.0-12.0.pre.360, on macOS 11.5.2 20G95 darwin-arm, locale de-DE)