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Release instructions

Quick reminder card for cutting NAudio releases. Full design rationale and history is in Docs/Architecture/ReleaseStrategy.md.

Prerequisites: gh CLI authenticated, working directory inside the repo, on main for the local-clone steps.

1. Auto-numbered preview

gh workflow run release.yml

Produces <VersionPrefix>-preview.<run_number> — e.g. 3.0.0-preview.5. Watch in the Actions tab. On success, all 8 packages (.nupkg + .snupkg) appear on NuGet within a few minutes.

2. Named pre-release milestone

Override the suffix via the milestone input. Use for alpha / beta / rc progression:

gh workflow run release.yml -f milestone=rc.1

Suffix ordering on NuGet: alpha.N < beta.N < preview.N < rc.N < (final). Always use the dotted form (rc.1, not rc1) so the trailing integer compares numerically — rc.10 > rc.9 only works with the dot.

3. Full release

a. Pre-flight PR

  1. Bump <VersionPrefix> in Directory.Build.props to the target version (e.g. 3.0.0).
  2. In RELEASE_NOTES.md: rename ### Unreleased → ### 3.0.0 (DD MMM YYYY), curate the bullets, add PR numbers where useful.
  3. Add a fresh empty ### Unreleased section above the renamed one so post-release contributors have a place to land bullets.

Merge via the usual protected-branch flow.

b. Tag and push

From local main synced to the merge commit:

git fetch origin
git checkout main
git pull --ff-only
git tag v3.0.0
git push origin v3.0.0

The tag push triggers release.yml, which:

  • Validates the tag matches <VersionPrefix> in Directory.Build.props.
  • Validates RELEASE_NOTES.md has a matching ### 3.0.0 section.
  • Packs all 8 NAudio packages (+ matching .snupkg symbol packages).
  • Pushes everything to NuGet via trusted publishing.
  • Creates a GitHub Release titled NAudio 3.0.0 with body extracted from the RELEASE_NOTES.md section.

No further action required for the publish itself. Both validations are fail-fast — if VersionPrefix or release notes don't match the tag, the workflow errors before packing.

c. Post-release version bump PR

Open a small follow-up PR bumping <VersionPrefix> in Directory.Build.props to the next development version (e.g. 3.0.1 or 3.1.0). Without this, the next preview dispatch produces a version lower than the just-shipped final (since 3.0.0-preview.N < 3.0.0).

d. Announce

GitHub Release + NuGet are the canonical channels. Optionally:

  • Blog post on markheath.net
  • Social media
  • Pin a GitHub Discussion for major-version announcements

Troubleshooting

  • gh workflow run returns "workflow not found": the workflow file must exist on the default branch. After Phase 8 the default is main; should always work.
  • NuGet push fails with auth error: the trusted-publisher policy on NuGet.org has a 7-day temporarily-active window. After a successful publish it becomes permanent, but if no publish happens for 7 days it goes inactive. Re-activate at NuGet.org → username → Trusted Publishing.
  • Tag v3.0.0 does not match VersionPrefix 3.0.0-alpha (or similar): you're tagging a commit whose Directory.Build.props doesn't have <VersionPrefix>3.0.0</VersionPrefix>. Either retag after the pre-flight PR merges, or push a fixup commit and tag that.
  • RELEASE_NOTES.md has no '### 3.0.0' section: the pre-flight PR didn't rename ### Unreleased. Push a fix to main and delete + re-create the tag.

See also