Bump ouroboros-consensus to 4.1.0.0 - #1289
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August 12, 2026 00:07
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Pull request overview
Updates cardano-api’s dependency set to align master with the already-released ouroboros-consensus-4.1.0.0 available via CHaP, ensuring Nix and Cabal builds resolve the newer minor series.
Changes:
- Bump
ouroboros-consensusbound incardano-api.cabalfrom^>=4.0to^>=4.1. - Update CHaP pin (rev/hash/timestamp) in
flake.lockand advance CHaPindex-stateincabal.project. - Add a changelog fragment documenting the maintenance dependency bump.
Reviewed changes
Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| flake.lock | Advances the pinned CHaP revision/hash so Nix resolves packages including ouroboros-consensus-4.1.0.0. |
| cardano-api/cardano-api.cabal | Updates the ouroboros-consensus dependency bound to the 4.1 minor series. |
| cabal.project | Advances the CHaP index-state timestamp to match the newer CHaP snapshot. |
| .changes/20260811_235500_cardano-api_palas_bump_ouroboros_consensus_4_1_0_0.yml | Records the dependency bump as a maintenance change for cardano-api. |
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- cardano-api.cabal: ouroboros-consensus ^>=4.0 -> ^>=4.1 - cabal.project: CHaP index-state 2026-08-11T14:53:43Z - flake.lock: CHaP pin updated to match
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Context
PR IntersectMBO/cardano-haskell-packages#1428 released
ouroboros-consensus-4.1.0.0and created a revision forcardano-apito include it. That mademasteruse a less recent version (4.0) than the released version. This PR addresses that by bumpingouroboros-consensusinmastertoo.How to trust this PR
If CI passes it is probably fine, because it is just a version bump for a dependency, and it is a minor one.
Checklist
.changes/