Fuse's Position on Harmony Modules

What is Fuse’s position on ES2015 harmony modules?
Are they happening?

Support appears to have landed in V8:

And in Chromium by Q1 2017, apparently:

As iOS exports have to use JavaScriptCore we’re still limited by what they support.
Additionally, there might be cases where one would want to use another VM than bundling V8 on Android (to reduce installed-size), so we’re usually a bit conservative about the core JS featureset.

The best option for using bleeding edge features now is to use a transpiler.