{"slug": "github-copilot-weekly-releases-august-31", "title": "GitHub Copilot weekly releases — August 31", "summary": "GitHub's August 31 weekly release for GitHub Copilot adds Claude Fable 5.1 for Pro+, Max, Business, and Enterprise users, and Gemini 3.8 Flash for Pro, Pro+, Max, Business, and Enterprise users. Copilot app and CLI now honor content exclusions, and VS Code 1.136 introduces Agent Merge in public preview, experimental multi-root workspaces, and chat backgrounds.", "body_md": "Release\n\n# GitHub Copilot weekly releases — August 31\n\nThis week, GitHub Copilot expands model choice and content protections, while VS Code adds new ways to manage agent sessions and get pull requests merge-ready.\n\n### [GitHub Copilot, general](#github-copilot-general)\n\n- Claude Fable 5.1 is available to Copilot Pro+, Max, Business, and Enterprise users.\n- Gemini 3.8 Flash is rolling out to Copilot Pro, Pro+, Max, Business, and Enterprise users.\n\nFor more information, see [our list of all supported models](https://docs.github.com/copilot/reference/ai-models/supported-models).\n\n### [GitHub Copilot app and Copilot CLI](#github-copilot-app-and-copilot-cli)\n\n- Copilot app and CLI now honor content exclusions, keeping sensitive code out of context across agentic workflows.\n\n### [GitHub Copilot in JetBrains](#github-copilot-in-jetbrains)\n\nThe GitHub Copilot harness is now generally available in Copilot for JetBrains, providing faster feature delivery and better code quality.\n\nFor more information, see [our previous changelog about the release](https://github.blog/changelog/2026-08-24-copilot-harness-generally-available-in-copilot-for-jetbrains).\n\n### [VS Code 1.136 release updates](#vs-code-1-136-release-updates)\n\n- Agent Merge is now in public preview and gets your pull request ready to merge by resolving review feedback, failed checks, and merge conflicts.\n- Multi-root workspaces are now experimental and bring Copilot and Claude agent sessions to every folder in your workspace.\n- Chat backgrounds are now experimental and let you personalize the Agents window with built-in patterns or your own images.\n- Chat sessions organize related chats into a hierarchy and show which ones need your attention.\n\nExplore everything that’s new in the full [release notes](https://aka.ms/VSCode/136).", "url": "https://wpnews.pro/news/github-copilot-weekly-releases-august-31", "canonical_source": "https://github.blog/changelog/2026-09-04-github-copilot-weekly-releases-august-31", "published_at": "2026-09-04 21:05:01+00:00", "updated_at": "2026-09-08 16:58:19.993246+00:00", "lang": "en", "topics": ["ai-products", "developer-tools", "large-language-models", "generative-ai"], "entities": ["GitHub", "GitHub Copilot", "Claude Fable 5.1", "Gemini 3.8 Flash", "VS Code", "JetBrains"], "alternates": {"html": "https://wpnews.pro/news/github-copilot-weekly-releases-august-31", "markdown": "https://wpnews.pro/news/github-copilot-weekly-releases-august-31.md", "text": "https://wpnews.pro/news/github-copilot-weekly-releases-august-31.txt", "jsonld": "https://wpnews.pro/news/github-copilot-weekly-releases-august-31.jsonld"}}