Update: TodoMVC with FlutterMX Inside(tm) close to release.
Fun note: Dart and its libraries use futures a lot. I never used them by choice, but with Dart we can run but we cannot hide. From futures. So Matrix now supports a :future? flag. When true, it silently handles a future just as one would like. Took an hour of functional design, three hours of relearning Cells, and it worked on the first try. Touch 'em all, kid. ⚾