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GitHub Copilot Expands Model Choices, Content Protections, and VS Code Agent Features

aigaengineer
feature

This week's GitHub Copilot release introduces expanded model choices, including Claude Fable 5.1 and Gemini 3.8 Flash, for various Copilot tiers. The Copilot app and CLI now support content exclusions for agentic workflows, enhancing privacy for sensitive code. Additionally, the Copilot harness is now generally available in JetBrains, promising faster feature delivery and improved code quality. VS Code users gain access to new public preview and experimental features like Agent Merge for streamlining pull requests, multi-root workspaces for agent sessions, and personalized chat backgrounds and sessions.

  • →Expanded Model Choices for GitHub Copilot
  • →Content Exclusions for Copilot App and CLI
  • →GitHub Copilot Harness Generally Available in JetBrains
  • →VS Code Agent Merge Enters Public Preview
  • →Experimental Multi-root Workspaces & Chat Backgrounds in VS Code
Features (6) ›
  • Expanded Model Choices for GitHub Copilot

    GitHub Copilot now supports Claude Fable 5.1 for Pro+, Max, Business, and Enterprise users. Gemini 3.8 Flash is also rolling out to Copilot Pro, Pro+, Max, Business, and Enterprise users, providing a broader selection of generative AI models.

  • Content Exclusions for Copilot App and CLI

    The Copilot app and CLI now honor content exclusions, ensuring sensitive code is kept out of context across agentic workflows. This feature enhances data privacy and security during code generation.

  • GitHub Copilot Harness Generally Available in JetBrains

    The GitHub Copilot harness is now generally available within Copilot for JetBrains. This integration aims to deliver faster feature development and improve overall code quality for JetBrains users.

  • VS Code Agent Merge Enters Public Preview

    The new Agent Merge feature in VS Code is now in public preview, designed to help developers get pull requests merge-ready. It resolves review feedback, failed checks, and merge conflicts automatically.

  • Experimental Multi-root Workspaces & Chat Backgrounds in VS Code

    VS Code introduces experimental support for multi-root workspaces, bringing Copilot and Claude agent sessions to every folder. Users can also personalize the Agents window with experimental chat backgrounds and built-in patterns.

  • Organized Chat Sessions in VS Code

    VS Code now features chat sessions that organize related conversations into a hierarchy, helping users track which sessions require their attention. This improves the management of agent-assisted interactions.

Read the original announcement →

https://github.blog/changelog/2026-09-04-github-copilot-weekly-releases-august-31

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