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I find Dart comparable or maybe even slightly better than Kotlin, not sure why exactly, some things I like:

- Overall the language is simpler and more regular, it's easier to read it.

- Async / await is way simpler and less mentally taxing than Kotlin's coroutines.

Could you say more about your experience of Kotlin's coroutines vs async / await? I'd love to learn more about that! :)

Kotlin’s coroutines are mind-bending to me. They multiply all the spooky fears about threading correctly times a second order of semi-deterministic scheduling logic. The API surface around coroutines is also very complex. Javascript provides one simple API for creating a promise object, and a simple model for how async functions interact. On the other hand, Kotlin suspend funcs need to be “launched” or “run” on a coroutine context which may or may not actually allow async behavior, be backed by a thread pool, and transition between schedulers (?). Kotlin coroutines are very flexible but with that power comes a lot of confusing complexity.

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