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GitHub Copilot Expands Model Options and Features
GitHub Changeloghigh confidence
Why it matters
- →Expanding model options increases the versatility and power of GitHub Copilot for developers.
- →Content exclusions enhance security by preventing sensitive code from being exposed.
- →Agent Merge and other new features streamline development workflows, improving efficiency.
GitHub Copilot has released a new update that expands model choices and introduces several new features. Notably, Claude Fable 5.1 and Gemini 3.8 Flash are now available to a range of users, enhancing the AI capabilities of the platform. The update also includes content exclusions to protect sensitive code and a public preview of Agent Merge to streamline pull request processes. Additionally, experimental features such as multi-root workspaces and customizable chat backgrounds are being tested to further enhance user experience.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1GitHub Expands Copilot Cloud Agent Model Options
GitHub Changelog · May 18, 2026 · Same story
- 2Claude Fable 5 now available in GitHub Copilot
GitHub Changelog · June 9, 2026 · Same story
- 3GitHub Copilot App Now Supports Any Model Provider
Matt Wolfe · June 10, 2026 · Same story
Follow this story
Open the full story →GitHub Copilot Adds Enterprise Model Customization
3 developments
- Sep 2 · GitHub Changelog
GitHub Copilot Adds Enterprise Model Customization - Sep 4 · GitHub Changelog
GitHub Copilot Expands Model Options and Features (This article)↳ GitHub Copilot adds Claude Fable 5.1 and Gemini 3.8 Flash models, content exclusions, Agent Merge preview, and multi-root workspaces. - Sep 9 · GitHub Changelog
GitHub Introduces Managed Permissions for Copilot↳ GitHub introduces centrally managed permissions for Copilot agent operations to control shell commands and file access securely.
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