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Home/Coding Tools
Coding Tools

GitHub Copilot Expands Model Options and Features

GitHub Changelog·September 4, 2026·high 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 Expands Model Options and Features
©GitHub Changelog

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.

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