It’s great to see more languages compiling to Erlang - I wonder if (you exclude JS) #erlang holds the record now? 
One of the benefits of it being OCaml, is that it’ll be easier to pick up reason and the revery framework, which is meant to be a much more performant competitor to Electron (for desktop apps).
Must admit when I first saw Caramel, I wondered whether @OvermindDL1 might have been involved 
Here’s their homepage btw: