For Mirage OS, all libs are released as packages in OPAM [0], so it's really straightforward to find out which versions you're using (and manage/update/remove t

For Mirage OS, all libs are released as packages in OPAM [0], so it's really straightforward to find out which versions you're using (and manage/update/remove them). In fact, we just did a set of releases recently [1]. I'm not sure how it is for the other systems. [0] http://opam.ocaml.org http://opam.ocaml.org [1] https://github.com/ocaml/opam-repository/pull/3028 https://github.com/ocaml/opam-repository/pull/3028