New reconciliation algorithm; plugin rawsetenv support

What's Changed

ℹ️ This version introduces a new reconciliation algorithm between the observed state and the expected state.

If you experience any issues with a Compose workload that was previously working, please open an issue.

✨ Improvements

• Reconciliation plan by @ndeloof & @glours in https://github.com/docker/compose/pull/13830
• Add rawsetenv message type for provider plugins by @rajyan in https://github.com/docker/compose/pull/13742

🐛 Fixes

• Fix(build): skip remote URL contexts from bake fs.read allowlist by @ndeloof in https://github.com/docker/compose/pull/13816
• Skip validation when extracting config variables by @scarab-systems in https://github.com/docker/compose/pull/13831
• Fix(progress): probe stderr (not stdout) for TTY auto-detection by @glours in https://github.com/docker/compose/pull/13837
• Fix(publish): honor env_file required: false for missing files by @Ijtihed in https://github.com/docker/compose/pull/13848

🔧 Internal

• Docs: compose logs: add links for since/until flag descriptions by @thaJeztah in https://github.com/docker/compose/pull/13806
• Ci: add Dependabot cooldown (20260603-170456) by @securityeng-bot[bot] in https://github.com/docker/compose/pull/13820
• Docs(CLAUDE.md): note that commits must be signed off (DCO) by @ndeloof in https://github.com/docker/compose/pull/13817
• Refactor: replace Split in loops with more efficient SplitSeq and replace HasPrefix+TrimPrefix with CutPrefix by @caltechustc in https://github.com/docker/compose/pull/13810
• Chore: fix some comments to improve readability by @solunolab in https://github.com/docker/compose/pull/13823
• GHA: update docs-upstream to pin workflows by sha by @thaJeztah in https://github.com/docker/compose/pull/13834
• Docs: compose logs: add more links for flag descriptions by @thaJeztah in https://github.com/docker/compose/pull/13833
• Fix/progress tty line overflow 13595 by @glours in https://github.com/docker/compose/pull/13840
• Fix(publish): bypass Docker Desktop proxy for loopback registries by @ptrdom in https://github.com/docker/compose/pull/13825
• Watch: do not rebuild depends_on services on file change by @ndeloof in https://github.com/docker/compose/pull/13856
• pkg/e2e: fix malformed JWT in fixtures by @thaJeztah in https://github.com/docker/compose/pull/13857
• pkg/e2e: drop unused run param from getEnv by @glours in https://github.com/docker/compose/pull/13867
• Docs: ps --format json outputs JSON Lines, not a JSON array by @glours in https://github.com/docker/compose/pull/13868

⚙️ Dependencies

• Build(deps): bump github.com/docker/cli from 29.5.1+incompatible to 29.5.2+incompatible by @dependabot[bot] in https://github.com/docker/compose/pull/13802
• Update to go 1.26.4 by @thaJeztah in https://github.com/docker/compose/pull/13828
• Chore(deps): github.com/containerd/typeurl/v2 v2.3.0 by @thaJeztah in https://github.com/docker/compose/pull/13829
• Build(deps): bump golang.org/x/sync from 0.20.0 to 0.21.0 by @dependabot[bot] in https://github.com/docker/compose/pull/13838
• Chore(deps): github.com/docker/cli v29.5.3, github.com/docker/buildx v0.34.1, buildkit v0.30.0 by @thaJeztah in https://github.com/docker/compose/pull/13841
• Build(deps): bump golang.org/x/sys from 0.45.0 to 0.46.0 by @dependabot[bot] in https://github.com/docker/compose/pull/13832
• Chore(deps): golang.org/x/crypto v0.53.0 by @thaJeztah in https://github.com/docker/compose/pull/13844
• Build(deps): bump github.com/containerd/containerd/v2 from 2.2.3 to 2.2.4 in the go_modules group across 1 directory by @dependabot[bot] in https://github.com/docker/compose/pull/13804
• Chore(deps): bump github.com/containerd/containerd/v2 to v2.2.5 by @thaJeztah in https://github.com/docker/compose/pull/13855
• Chore(deps): bump github.com/golang-jwt/jwt/v5 to v5.3.1 by @thaJeztah in https://github.com/docker/compose/pull/13847
• Chore(deps): github.com/docker/cli v29.6.0, github.com/docker/buildx v0.35.0, buildkit v0.31.0 by @thaJeztah in https://github.com/docker/compose/pull/13842
• Bump compose-go to version v2.12.1 by @glours in https://github.com/docker/compose/pull/13865

New Contributors

• @securityeng-bot[bot] made their first contribution in https://github.com/docker/compose/pull/13820
• @caltechustc made their first contribution in https://github.com/docker/compose/pull/13810
• @solunolab made their first contribution in https://github.com/docker/compose/pull/13823
• @scarab-systems made their first contribution in https://github.com/docker/compose/pull/13831
• @ptrdom made their first contribution in https://github.com/docker/compose/pull/13825
• @rajyan made their first contribution in https://github.com/docker/compose/pull/13742
• @Ijtihed made their first contribution in https://github.com/docker/compose/pull/13848

Full Changelog: https://github.com/docker/compose/compare/v5.1.4...v5.2.0