Merlin requires opam, which is yet another tool beginners need to fight with. Reason support for Merlin was relatively recently merged, so it might work ok righ

Merlin requires opam, which is yet another tool beginners need to fight with. Reason support for Merlin was relatively recently merged, so it might work ok right now- but I couldn't get it to work with Reason the last time I tried. I agree it works fine with Ocaml.