> it was clunky AF last time I tried to use it https://discuss.ocaml.org/t/debug-ocaml-code/10867/18

Yes, I see what you mean now. You encountered a bug around system thread and dune didn’t properly pass your artifacts. That’s indeed annoying.

I deeply dislike dune myself and never use it. I just use the Ocaml toolchain like I would a good old C one which might explain our different experiences.