What is WhatTheDiff?
Pull requests are central to your development workflow, but crafting detailed descriptions, keeping everyone informed, and managing review feedback takes valuable time away from coding. What The Diff integrates directly with GitHub and GitLab, using AI to streamline these processes, making your code reviews faster and more accessible for the entire team. It helps you reclaim time spent on repetitive tasks and improves collaboration between technical and non-technical members.
Key Features: How What The Diff Helps You
✍️ Generate Automated PR Descriptions: Let AI analyze your code changes (
diff) and instantly write clear, descriptive summaries for your pull requests, saving you significant time and effort.📢 Send Rich Summary Notifications: Keep non-technical stakeholders (like product managers or designers) updated with simplified, easy-to-understand summaries of PRs sent via Slack, email, or webhooks – even translated into different languages.
📜 Create Beautiful Changelogs: Automatically compile user-friendly changelogs from your merged PRs, perfect for sharing progress publicly or consuming internally via a JSON API.
📊 Receive Weekly Progress Reports: Get automated weekly digests summarizing key development activities and merged pull requests, delivered directly to your team's Slack channel or managers' emails.
💡 Refactor Code Inline with AI: Suggest minor code improvements directly within the PR review process; simply comment
/wtdwith your desired change, and the AI proposes the refactored code for one-click acceptance.⚙️ Utilize Fine-Grained Settings: Gain control over how What The Diff operates by skipping CI-generated PRs, delaying analysis on draft PRs, and managing your token usage effectively.
Practical Use Cases: See What The Diff in Action
Speeding Up Submission: You've just finished coding a new feature. Instead of spending 15 minutes meticulously writing a pull request description, you let What The Diff analyze the changes and generate a comprehensive summary in seconds. You quickly review the AI-generated text, make minor tweaks, and submit your PR, moving on to your next task much faster.
Keeping Product Teams Informed: A developer merges a pull request addressing a critical user-reported bug. What The Diff automatically sends a notification to the #product-updates Slack channel. The notification contains an AI-generated summary explaining the fix in non-technical terms, allowing the Product Manager to understand the resolution immediately without needing to decipher code changes.
Streamlining Code Reviews: While reviewing a teammate's PR, you notice several lines that could use a minor refactor for better readability. Instead of just leaving a comment asking for the change, you use the
/wtd refactor this for claritycommand. What The Diff suggests the exact code change, which the author can accept directly, resolving the point without a lengthy back-and-forth cycle.
Get Back Time, Improve Clarity
What The Diff transforms your pull request process from a time-consuming necessity into a streamlined, informative workflow. By automating descriptions, enhancing communication with clear summaries, and even assisting with minor refactoring, it allows your development team to focus more on building great software and less on administrative overhead. It bridges the gap between technical progress and team-wide understanding.
More information on WhatTheDiff
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Source: Similarweb (Sep 24, 2025)
WhatTheDiff was manually vetted by our editorial team and was first featured on 2023-03-07.
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