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Composer v2.0.0-alpha3 Release Notes

Release Date: 2020-08-03 // over 3 years ago

  • 🚀 Not up to date with Composer 2 yet? Check the alpha1 changelog and alpha2 changelog and UPGRADE guide first.

    🚀 Try it out now and get ready for the upcoming stable release

    • 🚀 Use composer self-update --preview to try the latest alpha/prerelease version (2.x).
    • ⚡️ Use composer self-update --snapshot to try the latest dev build (2.x).
    • 🚀 Use composer self-update --stable to go back to stable releases (1.x for now).
    • 🚀 Use composer self-update --1 in CI/scripts if you want to pin Composer to 1.x until you are ready to migrate, this will ensure you stay on 1.x releases even once a 2.0 stable comes out.

    🔄 Changelog

    • 💥 Breaking: Zip archives loaded by artifact repositories must now have a composer.json on top level, or a max of one folder on top level of the archive
    • ➕ Added --no-dev support to show and outdated commands to skip dev requirements
    • ➕ Added support for multiple --repository flags being passed into the create-project command, only useful in combination with --add-repository to persist them to composer.json
    • ➕ Added a new optional list API endpoint for v2-format composer repositories, see UPGRADE for details
    • 🛠 Fixed show -a command not listing anything
    • 🛠 Fixed solver bug where it ended in a "Reached invalid decision id 0"
    • 🛠 Fixed updates of git-installed packages on windows
    • 🛠 Lots of minor bug fixes