I think that&#x27;s my biggest question reading the article here: Has Elm been ignoring the work going on with Rx all this time?<p>These Elm subscriptions sound like &quot;half&quot; of Rx, and from what I can is still &#x27;missing&#x27; thus far some of the &quot;higher order&quot; Observable tools such as filter, chain, map, throttle, et al.