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Introducing a new opam repository layout for managing large libraries and packages.

We are happy to announce the final release of opam 2.0.0. A few weeks ago, we released a last release candidate to be later promoted to 2.0.0, synchronised with the opam package repository upgrade. You are encouraged to update as soon as you see fit, to continue to get package updates: opam 2.0.0 su...

A few days ago, we released opam 2.0.0~rc4, and explained that this final release candidate was expected be promoted to 2.0.0, in sync with an upgrade to the opam package repository. So here are the details about this! If you are an opam user, and don't maintain opam packages You are encouraged to u...

We are happy to announce the opam 2.0.0 final release candidate! 🍾 This release features a few bugfixes over Release Candidate 3. It will be promoted to 2.0.0 proper within a few weeks, when the official repository format switches from 1.2.0 to 2.0.0. After that date, updates to the 1.2.0 reposit...

NOTE (September 2016): updated proposal from OCaml 2016 workshop is available, including links to prototype implementation. This is an initial proposal on signing the OPAM repository. Comments and discussion are expected on the platform mailing-list. The purpose of this proposal is to enable a secur...

Most package managers support some pin functionality to ensure that a given package remains at a particular version without being upgraded. The stable OPAM 1.1 already supported this by allowing any existing package to be pinned to a target, which could be a specific released version, a local filesy...

After a while staged as RC, we are proud to announce the final release of OPAM 1.1.0! Thanks again to those who have helped testing and fixing the last few issues. Important note The repository format has been improved with incompatible new features; to account for this, the new repository is now ho...