> I never did understand why Facebook and Microsoft ended up competing on this front. They ended up competing, but they did not start competing. The projects w

> I never did understand why Facebook and Microsoft ended up competing on this front. They ended up competing, but they did not start competing. The projects were started in isolation from each other. The fact that they are written in different languages (Flow: OCaml, TS: TS) makes it hard to merge efforts.