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v5.0.0 "Mont Blanc" (v5.0.0)

mont blanc

Major changes in this release:

  • Compose can now officially be used as a SDK to be integrated into third-party softwares
  • Internal builder has been removed, build is delegated to Docker Bake (same as docker build command)

Why "v5" ?

We decided to skip 3.0.0 for next major release after docker Compose v2 to prevent (more) confusion with the obsolete docker-compose file versions 2.x and 3.x inherited from Docker Compose v1. We also skipped 4.0.0 to have a clear separation with this legacy.

What's Changed

✨ Improvements

🐛 Fixes

🔧 Internal

⚙️ Dependencies

New Contributors

Full Changelog: docker/compose@v2.40.2...v5.0.0

Compare between v2.40.3 and v5.0.0

v5.0.1 (v5.0.1)

What's Changed

🐛 Fixes

⚙️ Dependencies

New Contributors

Full Changelog: docker/compose@v5.0.0...v5.0.1

Compare between v5.0.0 and v5.0.1

Signed-off-by: Rancher Desktop Dependency Manager <donotuse@rancherdesktop.io>
jandubois
jandubois previously approved these changes Jan 8, 2026
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The main compatibility issue between docker-compose 2.x and 5.x is that the latter no longer bundles an internal buildkit. This is no concern for us because we already ship the external buildkit plugin.

There are some messages on GitHub about additional output that cannot be suppressed with --quiet, but that is really nothing that couldn't happen with any other update as well.

The only other issue I could find was broken COMPOSE_COMPATIBILITY support for v1, which has been fixed in the 5.0.1 release.

So I think this is fine to merge now, even considering that it may end up being the version we ship in the next release.

Signed-off-by: Jan Dubois <jan.dubois@suse.com>
@jandubois jandubois merged commit ba0d106 into main Jan 8, 2026
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@jandubois jandubois deleted the rddepman/dockerCompose/2.40.3-to-5.0.1 branch January 8, 2026 19:54
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4 participants