Typescript is a superset of Javascript, but it it's not only Javascript plus types. Some features like async/await could end up being implemented differently in

Typescript is a superset of Javascript, but it it's not only Javascript plus types. Some features like async/await could end up being implemented differently in Ecmascript. It seems inevitable that there could be incompatibilities in the future. But the same happens with Babel or other transpilers when they introduce features that are not yet standardized.