OCaml 5.2.0 Release Readiness

[Octachron]

This issue tracks the build and readiness information of core platform tools and libraries in preparation for the OCaml 5.2 release. It’s intended as a meta-issue and a home for TODO lists and links to other milestones/issues rather than general discussion (which is welcomed on Discuss or on linked issues).

Packages that are fixed upstream, have a PR ready, or can be used as-is for testing purpose, are in kit-ty-kate/opam-alpha-repository. The latest state of the opam ecosystem can be seen in opam-health-check and compared against OCaml 5.2.

Platform tools:

• opam
• dune
• merlin
• lsp-server / vscode-plugin
• odoc (Basic support for OCaml 5.2.0 odoc#1094)
• ocamlformat
• ocp-indent

Ecosystem:

• ocamlfind
• ocamlbuild
• ppxlib
• mdx
• utop (Support OCaml 5.2 ocaml-community/utop#470)
• dune-release
• opam-publish

Infrastructure:

• ocaml.org
• docker base containers
• ocaml-ci
• opam-repo-ci

[anmonteiro]

Reason reasonml/reason#2734