GitHub Updates Blog provides announcements, product updates, and insights into new features and enhancements on the GitHub platform. Developers can stay informed about changes to GitHub's developer tools, collaboration features, and security offerings. With GitHub's commitment to empowering developers and supporting open source communities, the GitHub Updates Blog serves as a resource for staying connected with the latest developments in software development.

GitHub Changelog

GitHub is deprecating Opus 4.6 (fast) across all GitHub Copilot experiences — including Copilot Chat, inline edits, ask and agent modes, and code completions — on June 29th, 2026. Users and administrators should migrate to Opus 4.8 (fast) before that date. Copilot Enterprise admins may need to enable the replacement model via model policies in Copilot settings before it appears in the model selector.

Upcoming deprecation of Opus 4.6 (fast)

<p>A good reminder not to hard-code workflows around a single model version.</p>


<p>Hosted AI models are services, not permanent tools, you should expect them to evolve!</p>
