Update chat.js v0.2.7

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

🔄 This PR updates the Ultralytics Handbook site to use a newer version of the embedded chat script, moving from v0.2.5 to v0.2.7.

📊 Key Changes

• Updated the external JavaScript chat dependency in mkdocs.yml
• Changed the chat widget source from ultralytics/llm@v0.2.5 to ultralytics/llm@v0.2.7
• No other site configuration or content changes were included in this PR

🎯 Purpose & Impact

• Improves the Handbook’s integrated chat experience by pulling in the latest chat script updates 💬
• Likely brings bug fixes, small feature improvements, or better stability from the newer ultralytics/llm release ⚡
• Low-risk change since it only updates a single frontend dependency, but it may affect how the on-site chat behaves for visitors 🔧
• Helps keep the documentation site current with the latest Ultralytics tooling and user experience enhancements 🚀

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Project	Deployment	Actions	Updated (UTC)
handbook	Ready	Preview, Comment	Mar 23, 2026 6:05pm

[UltralyticsAssistant]

👋 Hello @glenn-jocher, thank you for submitting a ultralytics/handbook 🚀 PR! This is an automated message to help streamline review, and an engineer will assist shortly. Please review the checklist below to help ensure a smooth integration. 😊

• ✅ Define a Purpose: Clearly explain the purpose of your fix or feature in your PR description, and link to any relevant issues. Ensure your commit messages are clear, concise, and adhere to the project's conventions.
• ✅ Synchronize with Source: Confirm your PR is synchronized with the ultralytics/handbook main branch. If it's behind, update it by clicking the 'Update branch' button or by running git pull and git merge main locally.
• ✅ Ensure CI Checks Pass: Verify all Ultralytics Continuous Integration (CI) checks are passing. If any checks fail, please address the issues.
• ✅ Update Documentation: Update the relevant documentation for any new or modified features.
• ✅ Add Tests: If applicable, include or update tests to cover your changes, and confirm that all tests are passing.
• ✅ Sign the CLA: Please ensure you have signed our Contributor License Agreement if this is your first Ultralytics PR by writing "I have read the CLA Document and I sign the CLA" in a new message.
• ✅ Minimize Changes: Limit your changes to the minimum necessary for your bug fix or feature addition. "It is not daily increase but daily decrease, hack away the unessential. The closer to the source, the less wastage there is." — Bruce Lee

For more guidance, please refer to our Contributing Guide. Don't hesitate to leave a comment if you have any questions. Thank you for contributing to Ultralytics! 🚀

[UltralyticsAssistant]

🔍 PR Review

_{Made with ❤️ by Ultralytics Actions}

This PR looks clean. The change is a targeted CDN version bump in mkdocs.yml with no other configuration changes, and there are no clear bugs or maintainability issues visible in the diff.

[UltralyticsAssistant]

🎉 Merged—thank you, @glenn-jocher!

As Thomas Edison said, “There’s a way to do it better—find it.” This update is a great example of that mindset in action: a small, focused improvement that helps keep the Handbook experience modern, stable, and more helpful for every visitor using the embedded chat.

Really appreciate the care behind keeping even frontend dependencies current. These thoughtful updates make a real difference over time—thank you for continuing to raise the bar! 🚀