> Dart is strongly typed and pre-compiled, at least when packaged. It can run in interpreted mode in development for live/hot reload: a major advantage over Swift.

Ah, that's how they do it. That's neat! But the language still has to deal with JavaScript compatibility.

> PS Java (or Kotlin) are AOT compiled in all recent versions of Android.

But it's still a mess to call native code. And still has Java garbage collection.