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Menu. Currently selected: Availability in GitHub Copilot GPT-5.2, OpenAI’s newest model focused on long context and front-end UI generation, will be available to Copilot Pro, Pro+, Business, and Enterprise. Availability in GitHub Copilot OpenAI GPT-5.2 will be available to Copilot Pro, Pro+, Business, and Enterprise. You’ll be able to select the model in the Copilot model picker from any of the fo

Repository dashboard: Find, search, and save queries in preview Finding the right repository can feel like searching for a needle in a haystack. When you’re juggling multiple projects or collaborating across teams, keeping track of repositories becomes overwhelming. The new repository dashboard preview makes it easy to find and curate a saved view of repositories you have access to, all in one pla

Menu. Currently selected: Enable just the tools you need with the new X-MCP-Tools header The GitHub MCP Server now comes with support for tool-specific configuration, allowing you to customize the server to your needs and minimize context window usage. Simply use the new X-MCP-Tools header in our remote MCP server to enable just the tools you need. You can even mix and match different configuratio

npm classic tokens revoked, session-based auth and CLI token management now available As previously announced, we’re completing the npm classic token deprecation today. This marks a major milestone in the security hardening initiative to strengthen npm’s authentication system. What’s changing today (December 9, 2025) npm classic tokens permanently revoked We’ve permanently revoked all existing npm

Menu. Currently selected: Availability in GitHub Copilot Claude Opus 4.5, Anthropic’s latest model, is now rolling out in GitHub Copilot. In early testing, Claude Opus 4.5 surpassed internal coding benchmarks while cutting token usage in half, making this model especially well-suited for accelerating development in professional settings. Availability in GitHub Copilot Claude Opus 4.5 will be avail

Menu. Currently selected: GitHub Actions cache size can now exceed 10 GB per repository GitHub Actions cache size can now exceed 10 GB per repository You can now store more build dependencies between workflow runs with expanded GitHub Actions cache storage. Repositories can go beyond the previous 10 GB per-repository cache cap using a pay-as-you-go model. All repositories will continue to receive

Menu. Currently selected: New static analysis tools in Copilot code review Copilot code review now surfaces actionable feedback from linters, so the small stuff is never missed—and you can customize which linters are used via repository rulesets. This feature is available in public preview for paid GitHub users. New static analysis tools in Copilot code review In addition to CodeQL quality detecti

We recently released a new GitHub Copilot feature: custom agents defined in agents.md files. Instead of one general assistant, you can now build a team of specialists: a @docs-agent for technical writing, a @test-agent for quality assurance, and a @security-agent for security analysis. Each agents.md file acts as an agent persona, which you define with frontmatter and custom instructions. agents.m

The open source Git project just released Git 2.52 with features and bug fixes from over 94 contributors, 33 of them new. We last caught up with you on the latest in Git back when 2.51 was released. To celebrate this most recent release, here is GitHub’s look at some of the most interesting features and changes introduced since last time. Tree-level blame information If you’re a seasoned Git user,

GitHub Copilot CLI: New models, enhanced code search, and better image support GitHub Copilot CLI continues to evolve with significant improvements to search capabilities, better image support, access to and support for the latest AI models, and reliability enhancements. Here's what we've been working on lately. Latest AI models now available We've added support for the newest models from OpenAI a

Copilot code review (CCR) helps you automate code reviews and ensure your project meets your team’s standards. We recently added support for both copilot-instructions.md and path-specific *.instructions.md files, so now you can customize Copilot’s behavior to fit your workflow. This flexibility empowers you to guide Copilot with clear, actionable rules for effective and consistent reviews. But wit

Copilot coding agent supports organization custom instructions Copilot coding agent, our asynchronous, autonomous background agent, now supports organization custom instructions. Custom instructions allow you to guide Copilot on how to understand your project as well as how to build, test, and validate its changes. Now, you can also set default instructions for all coding agent usage across your o

You can now require approvals from specific teams to merge changes into protected branches based on files and folders, giving you more control over who approves changes into specific branches. What’s new With this new addition to rulesets, you can: Protect sensitive branches by enforcing stricter review policies for your release or production branches. Scale your policies across any repository, or

Author Kyle Daigle GitHub Universe 2025にて発表された、GitHubの次なる進化。それは、開発者がいつでもどこでもあらゆるエージェントをオーケストレーションできる単一の統合ワークフローです 現在、開発者をとりまくAIの環境は、よくある課題を抱えています。それは、AIのもつ膨大な力が様々なツールやインターフェースに分散しているということです。GitHubはこれまでも、Gitへのアクセス性の向上、プルリクエストによる体系的なコードレビュー、Actionsによるデプロイメントの自動化など、こうした体系的な課題の解決に常に取り組んできました。 1億8000万人の開発者が利用するGitHubは史上最速のペースで成長しています– そして毎秒新しい開発者がGitHubを使い始めていて、その80%が最初の1週間でGitHub Copilotを使用しています。AIはもは

GitHub Code Quality is now available in public preview! It turns every pull request into an opportunity to improve. With in-context findings, one-click Copilot fixes, and reliability and maintainability scores, you spend less time chasing nits and more time building. It’s there when you need it most, surfacing quality issues both in the pull request and the backlog so you can fix technical debt on

New public preview features in Copilot code review: AI reviews that see the full picture Copilot code review (CCR) now blends LLM detections and tool calling with deterministic tools like ESLint and CodeQL, delivering smarter reviews and a seamless handoff to the Copilot coding agent for fixes. Rich context with tool calling 🧰 CCR now leverages agentic tool calling to actively gather full project

GitHub releases now support immutability, adding a new layer of supply chain security. With immutable releases, assets and tags are protected from tampering after publication, so the software you publish—and your users consume—remains secure and trustworthy. About immutable releases Immutable releases offer: Immutable assets: Once you publish a release as immutable, its assets can’t be added, modi

Custom images for GitHub-hosted runners are now available in public preview Custom images for GitHub-hosted runners are now available in public preview. This feature allows you to start with a GitHub-curated base image and build your own virtual machine image tailored to your workflow needs. Custom images can include your repository code, prepulled container images, required binaries, certificates

The following items released to VS Code Insiders and were announced at GitHub Universe 2025. Highlights OpenAI Codex integration: Access OpenAI Codex in VS Code Insiders with a Copilot Pro+ subscription. Agent Sessions view: Manage local and cloud agent sessions from a unified interface. Context-isolated sub-agents: Subagents let you delegate focused tasks (e.g., running TDD workflows, conducting

The GitHub app for Slack now works with GitHub Copilot coding agent, letting you generate pull requests directly from your Slack conversations. Editor’s note (October 28, 2025): Removed the reference to a gradual roll out now that the feature is widely available. Mention @GitHub in any Slack thread with a prompt, and Copilot coding agent will get to work in the background, then reply when the pull

AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be

AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be