NixOS 25.05 – Release schedule #390768
Description
Hi, we are @leona-ya and @RossComputerGuy, the release managers for NixOS 25.05 ("Warbler").
We're also happy to work with @NotAShelf and @getchoo, who will be the release editors for this NixOS release.
Below you can find the release calendar up to the planned release at the end of May 2025. If something feels unclear to you, don't hesitate to reach out, we appreciate questions, feedback and suggestions. We are here to guide the process and make sure this will be a great release for all of us. You can contact us in the release management matrix room.
These dates might still change a bit. When a step is done, it will be announced under this issue or with a separate GitHub issue or discourse post.
| Done? | Date | Branches Affected | Events |
|---|---|---|---|
| ✅ #393359 | 2025-03-26 | Start discussion about "Feature Freeze & Release Blockers" with ecosystems maintainers | |
| ✅ | 2025-04-09 | All branches | Restrict breaking changes to Release Critical Packages |
| ✅ | 2025-04-23 | All branches | Restrict all breaking changes: allow only non-breaking updates and Desktop Manager changes |
| ✅ #403336 | 2025-05-01 | master | Begin Zero Hydra Failures campaign, focus on minimizing regressions in PRs targeting master |
| ✅ | 2025-05-05 | master | Merge staging-next into master |
| ✅ | 2025-05-07 | staging | Begin first staging-next cycle. Unrestrict all breaking changes; new changes will not be present in the release |
| ✅ | 2025-05-15 | master | Wait for staging-next merge into master |
| staging-next | Unrestrict all breaking changes; new changes will not be present in the release | ||
| ✅ | 2025-05-16 | master, release-25.05 | Perform Branch-off, create release channels, create branchoff tag |
| master, release-25.05 | Fixes need to use the "backport" workflow to arrive in the release | ||
| master | Unrestrict all breaking changes; new changes will not be present in the release | ||
| release-25.05 | Prepare for release, finish remaining issues | ||
| release-25.05 | Start of beta period (moved from 2025-05-12) | ||
| ✅ | 2025-05-23 | release-25.05 | Release! Marks the end of the Zero Hydra Failures campaign. |
| ✅ | 2025-06-01 | Release Retrospective, everyone is invited to give feedback! |
Note: Dates reflected are in AoE (Anywhere on Earth) time.