nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq0ujnx96rzj2m7kl9yqhyplqhxuf55el43gdqw8xxpm7pdk3ph6gqwfaz86 (nprofile…az86) I've been using OCaml 5.3 for several months, and I have started with a completely fresh .opam months ago, so I'm not sure if I can attribute the problem to this... But it's hard to say. When I get some time (ha!) I will blow away .opam once again and see what happens.
You're right about ppx — this is a big source of breakage.