Writing

How to Write a Changelog

Spencer LanoueSpencer Lanoue
Writing

Keeping track of software changes can be a bit like trying to remember why you walked into a room. Details get fuzzy fast. Writing a changelog helps you avoid that confusion by documenting updates clearly and concisely. In this post, we'll walk through how to craft a changelog that’s both informative and user-friendly.

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Why a Changelog Matters

Let’s kick things off by discussing why you even need a changelog. It's not just a list of changes; it's a communication tool that connects developers, product managers, and users. The primary goal is transparency. Letting everyone know what’s been fixed, improved, or added. Imagine getting a new phone and finding out one of your favorite apps suddenly works differently. A changelog keeps you in the loop.

Aside from transparency, a changelog helps with accountability. It serves as a historical record of what changes were made, why, and by whom. This can be invaluable when something breaks or when you need to trace back to understand how an issue cropped up. Plus, it can boost user trust, as people appreciate the honesty and detail.

Deciding What to Include

Before you start writing, you need to decide what belongs in your changelog. This might sound obvious, but it’s worth stating. Not every tiny tweak needs a mention. Focus on things that users will notice or should be aware of. Here are some things typically included:

  • New Features: Introduce any new capabilities or tools.
  • Bug Fixes: Describe issues that have been resolved.
  • Improvements: Talk about enhancements to current features.
  • Breaking Changes: Warn about any changes that could affect existing functionality.

Keep your audience in mind as you decide what details are necessary. Technical audiences might appreciate more specifics, whereas regular users just want to know how changes affect their daily use.

Organizing Your Changelog

Organization is key to creating a changelog that's easy to navigate. A well-structured changelog often follows a simple format that includes version numbers, dates, and categorized lists of changes. Here’s a basic template you can follow:

## [1.2.0] - 2023-10-15
### Added
- New dark mode setting for customizable themes.

### Fixed
- Resolved login issue affecting some users.

### Improved
- Enhanced search function for faster results.

### Breaking Changes
- Deprecated the old API endpoint; users must migrate to the new one.

Using headings for each category makes it easier for users to jump to the section that interests them. It's like giving them a map to quickly find what they’re looking for.

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Writing Style: Clarity and Brevity

When writing a changelog, clarity and brevity are your best friends. You want to convey enough information without overwhelming your audience. Use simple language and keep each entry concise. Here’s an example of a clear entry versus a cluttered one:

// Less effective
- Updated the user interface to make it more user-friendly and intuitive for everyone who uses the app.

// More effective
- Simplified the user interface for easier navigation.

Notice how the second entry gets straight to the point without unnecessary fluff? That's the goal. If you find yourself struggling to be concise, tools like Spell can help refine your language and trim down the excess.

Consistency is Key

Consistency isn’t just about using the same format for each entry. It’s about maintaining a consistent tone and level of detail. Users appreciate knowing what to expect. If you use technical jargon in one section but layman’s terms in another, it can confuse the reader. If you’re working with a team, establish guidelines so everyone is on the same page.

Consider creating a style guide for your changelog. Outline how entries should be written, whether to use bullet points or full sentences, and how detailed each entry should be. This doesn’t just help with consistency. It also makes onboarding new team members easier.

Tools to Simplify the Process

Coding isn’t the only thing that can be streamlined with tools. Writing changelogs can be too. Several applications and services are designed to help automate the process or make it less cumbersome. Here are a few:

  • Version Control Systems: Tools like Git can track changes and even generate basic logs for you.
  • Changelog Generators: There are tools like Keep a Changelog that provide templates and guidelines.
  • AI Document Editors: Tools like Spell can assist in drafting and refining your changelog entries, saving you time and effort.

These tools can help you maintain a professional and polished changelog without investing a ton of time into it.

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Engaging Your Audience

Writing a changelog doesn't have to be a dry, mechanical task. You can engage your readers by adding a bit of personality. While you want to remain professional, a little humor or a friendly tone can make the changelog more enjoyable to read. Just remember not to overdo it, as clarity should always be your priority.

Consider adding a brief introductory note for major updates, explaining the motivation behind the changes. This helps users understand the context and can make them feel more connected to the journey of the product.

Testing and Feedback

Once you’ve drafted your changelog, run it by a few team members or users for feedback. They might catch confusing language or suggest improvements. Think of it like testing software. No one gets it perfect on the first try. A fresh set of eyes can be invaluable for catching things you might have missed.

Also, pay attention to feedback you receive from users over time. If they frequently ask questions about certain types of updates, you might need to adjust how you present those in the changelog.

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Maintaining Your Changelog Over Time

Writing a changelog isn’t a one-time task. It’s an ongoing process. As your product evolves, so should your changelog. Regularly update it with each new release and revisit earlier entries if they need clarification or expansion. This ensures that your changelog remains a reliable resource.

Additionally, consider archiving older versions of your changelog. This keeps the document from becoming too unwieldy while preserving a historical record. Many projects keep a "current version" document and a separate archive for older updates.

Final Thoughts

Writing a changelog might not be the most glamorous part of software development, but it’s definitely important. By keeping it clear, concise, and consistent, you ensure that it serves its purpose effectively. And remember, if you ever need a hand in drafting or refining your changelog, Spell is here to help make the process quicker and easier.

Spencer Lanoue

Spencer Lanoue

Spencer has been working in product and growth for the last 10 years. He's currently Head of Growth at Sugardoh. Before that he worked at Bump Boxes, Buffer, UserTesting, and a few other early-stage startups.

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