This post discusses the need for improved build systems in OCaml, specifically highlighting Dune as a notable option. Comments emphasize the challenges associated with complex codebases and build systems, comparing Dune's performance to that of other tools like CMake and Bazel. Perspectives vary on OCaml's usability in production, with some praising Jane Street's contributions to making OCaml viable in high-performance settings. Users express mixed experiences with the ecosystem and open-source libraries developed by Jane Street, suggesting a gap for developers wanting to use these tools outside of their organization. There’s also speculation on the rationale behind creating a new build system instead of adopting existing ones like Buck2 or Bazel.