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Stop the changelog merge conflict madness!
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Stop the changelog merge conflict madness!

This tool helps you maintaining a CHANGELOG by creating one file per entry and bundling them together before you release a new version of your application.

This tool was inspired by the article 'How we solved GitLab's CHANGELOG conflict crisis' from Gitlab. And yeah well I used some of their code too... At this point, I want to say thank you to the Gitlab team for the great work you guys are doing. 👏👏👏


Install changelog using

gem install changelog-madness


New Entry

Create a new entry by running


#this is an alias for `changelog gen`

this will create a new file in the changelogs/unreleased/ folder.

Run changelog help gen to see all available options


Bundle all the unreleased entries by running

# changelog bundle <VERSION>
changelog bundle 2.3.1

this will create or update the

Run changelog help bundle to see all available options


After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Changelog project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

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