[pjmlp]

No they are implementing Functional Reactive Programming, it isn't the same thing, even though common folks would say React.

https://wiki.haskell.org/Functional_Reactive_Programming

[bsimpson]

Isn't FRP more like RxJS/CycleJS?

If you ask the people who work on any of those frameworks I mentioned, they'll tell you they're taking the React style and applying it to their platforms.