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opam 2.3.0~beta1

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We're happy to announce the first beta release of opam 2.3.0. Compared to the previous 2.3.0~alpha1 release, you can view the full list of changes in the release note.

This version is a beta, so we invite users to test it to spot previously unnoticed bugs as we head towards the stable release.

Changes

  • Fix an opam 2.1 regression where the initial pin of a local VCS directory would store untracked and ignored files. Those files would usually be cleaned before building the package; however, Git submodules would not be cleaned and would cause issues when paired with the new behaviour added in 2.3.0~alpha1, which makes an opam error when Git submodules fail to update (it was previously a warning). (#5809)

  • Fix a regression which would make opam crash on platforms where getconf LONG_BIT is not available (e.g., OpenBSD). (#6215)

  • Fix the installed packages internal cache, which was storing the wrong version of the opam file after a build failure. This could be triggered easily for users with custom repositories with non-populated extra-files. (#6213)

  • Fix a regression in lint W59 with local URLs that are not archives. (#6218)

  • Fix the compilation of opam on Windows with OCaml >= 5.0 (again)

  • Several improvements to the prebuilt release binaries were made:

    • The Linux binaries are now built on Alpine 3.20
    • The FreeBSD binary is now built on FreeBSD 14.1
    • The OpenBSD binary is now built on OpenBSD 7.6 and loses support for OpenBSD 7.5 and older
    • A Linux/riscv64 binary is now available

API changes are denoted in the release note linked above. This release also includes a couple of PRs improving and extending the tests.

Try It!

The upgrade instructions are unchanged:

  1. Either from binaries: run

For Unix systems

bash -c "sh <(curl -fsSL https://opam.ocaml.org/install.sh) --version 2.3.0~beta1"

or from PowerShell for Windows systems

Invoke-Expression "& { $(Invoke-RestMethod https://opam.ocaml.org/install.ps1) } -Version 2.3.0~beta1"

or download manually from the GitHub "Releases" page to your PATH.

  1. Or from source, manually: see the instructions in the README.

You should then run:

opam init --reinit -ni

Please report any issues to the bug-tracker.

Happy hacking!