Opam 2.2 and beyond
summary
Opam 2.2 lands after three years with concrete changes: new commands opam tree and opam y, recursive pinnings with subpath support, Software Heritage source fallback, formulas extended to install-time uses, and native Windows support for MSVC and MinGW‑w64. The Windows work adds automatic MSYS2 provisioning, ~1k lines of Windows-specific C stubs, and packaged Winget installs; demos show switches for msvc and mingw and editor tooling (Merlin/LSP, VS Code) working. Repository currently covers OCaml 4.13+; remaining tasks are updating con packages for C bindings and moving to a six‑month time‑based release cadence (2.3 imminent).
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