&gt; And n general the Elm&#x2F;Haskell community is way less fan-boi-trendy-node-js-macbooks-Rails-flavor-of-the-wheel guys who will nay-nay anything that is Microsoft.<p>This really hasn&#x27;t been the case for RxJS at all. It&#x27;s been praised and version 5 is largely a community effort rather than just an MS effort. You got Ben Lesh and Andre Staltz putting in the most work and neither are MS.<p>The only thing from MS people don&#x27;t seem to give a chance is .NET. Everything recent (VS Code, open sourcing stuff, Chakra engine, etc) has been met positively and not dismissed.