The following documents and videos describe the Flutter framework's architecture:

* [Technical Overview (on flutter.dev)](https://docs.flutter.dev/resources/technical-overview)
* [Inside Flutter (on flutter.dev)](https://docs.flutter.dev/resources/inside-flutter)
* [The Mahogany Staircase - Flutter's Layered Design (on YouTube)](https://www.youtube.com/watch?v=dkyY9WCGMi0)
* [Flutter's Rendering Pipeline (on YouTube)](https://www.youtube.com/watch?v=UUfXWzp0-DU)