Generate a changelog or release notes from Git history, grouped by change type, written in user-facing language, with issue/PR links and breaking changes called out. Conventional-Commits aware and Keep a Changelog formatted; respects any existing CHANGELOG or tooling. Use when preparing release notes or updating CHANGELOG.md.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
Produce a changelog from what actually shipped: the commits, merged PRs, and references between two points in history. Write it for the people who *read* releases (users, integrators), not as a raw `git log` dump.
## Hard rules: never break these
- **Base it on real history, never invent.** Every entry must trace to a commit, PR, or issue. No speculative or aspirational items.
- **Match the existing format.** If `CHANGELOG.md` or a changelog tool already exists, follow its structure, headings, and conventions exactly. Don't impose a new style on an established file.
- **Never rewrite already-released sections.** Add the new version on top; leave shipped entries untouched.
- **Write for humans.** Translate commits into user-facing outcomes. Drop pure-noise commits (formatting, CI tweaks, internal refactors) unless they affect users.
- **Surface breaking changes prominently.** They're the entries most likely to ruin someone's day if missed.
## Step 1: Determine the range
- Last release to now: `git describe --tags --abbrev=0` gives the latest tag; the range is `<lastTag>..HEAD`.
- Between two releases: `<olderTag>..<newerTag>`.
…
The line at the top of this page pins the label git:20260608.0cc2133, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_nhjccudmkdixv7hs
GET https://markdownregistry.com/api/v1/resolve?ref=khaledsaeed18/dotclaude/changelog
GET https://markdownregistry.com/api/v1/blob/f1a64d44f1e499fdb249d63e7375bdb2bbf74d0bf4fdf85bab111af0e4ffeb86
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