In a new blogpost André Neves, a React Native engineer at Big Human, introduces the new features that are coming with ES2017.

I think it is a fair assessment to say that a large portion of JavaScript developers seem to appreciate the new, the shiny, the bleeding-edge tools. Whether it is to completely embrace a new technology, or simply to test out a tool's functionality, we like to know what is out there to at least 'dip our toes in the water'. If you're like me, keen on knowing about all of the new technology this incredible community has to offer, here is a breakdown of what ES2017 has in store.

https://medium.com/komenco/what-to-expect-from-javascript-es2017-the-async-edition-618e28819711