Your stack, your rules: Introducing custom agents in GitHub Copilot for observability, IaC, and security
Use partner-built Copilot agents to debug, secure, and automate engineering workflows across your terminal, editor, and github.com.
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GitHub Enterprise Server 3.19 release candidate is now available
GitHub Enterprise Server (GHES) 3.19 enhances deployment efficiency, monitoring capabilities, code security, and policy management. Here are a few highlights in the 3.19 release: An improved and more intuitive flow…
Copilot Spaces: Public spaces and code view support
We released three major updates to Copilot Spaces: public spaces, individual sharing, and the ability to add files to a space directly from the github.com code viewer. 👥 Public spaces…
Claude Opus 4.5 is in public preview for 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…
CodeQL 2.23.5 adds support for Swift 6.2, new Java queries, and improved analysis accuracy
CodeQL is the static analysis engine behind GitHub code scanning, which finds and remediates security issues in your code. We’ve recently released CodeQL 2.23.5, introducing three new Java security queries…
Auto model selection for Copilot in JetBrains IDEs, Xcode, and Eclipse in public preview
GitHub Copilot in JetBrains IDEs, Xcode, and Eclipse now includes an Auto option that selects the model on your behalf. Choose Auto from the model picker in Copilot Chat. This…
MCP registry and allowlist controls for VS Code Stable in public preview
Enterprise and organization administrators can now configure MCP registries and enforce allowlist policies in the latest release of VS Code Stable, bringing these governance controls to the majority of Copilot…
OpenAI’s GPT-5.1, GPT-5.1-Codex and GPT-5.1-Codex-Mini are now in public preview for GitHub Copilot
GPT-5.1, GPT-5.1-Codex, and GPT-5.1-Codex-Mini—the full suite of OpenAI’s latest 5.1-series models—are now rolling out in public preview in GitHub Copilot. Availability in GitHub Copilot OpenAI GPT-5.1, GPT-5.1-Codex, and GPT-5.1-Codex-Mini will…
Auto model selection for Copilot in Visual Studio in public preview
GitHub Copilot in Visual Studio now includes an Auto option you can select from the model picker where Copilot picks the model for you. Auto is now available all Copilot…
Claude Sonnet 3.5 deprecated, Claude Haiku 4.5 available in Copilot Free
We have deprecated Claude Sonnet 3.5 across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) as of today, November 10th 2025. As…
GitHub Code Quality in public preview
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,…
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…
Enterprise AI controls & the agent control plane are in public preview
We’re introducing a new enterprise-level experience focused on administrative functions for AI systems, available today to all GitHub Enterprise Cloud customers using Copilot. This is your agent control plane, a…
Introducing extended metadata checks for secret scanning
To help you understand ownership and impact of a leaked secret, GitHub secret scanning now surfaces additional metadata for supported secret types. What’s changing? Secret scanning already performs validity checks…
Selected Claude, OpenAI, and Gemini Copilot models are now deprecated
We have deprecated the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) on October 23, 2025: Model Deprecation date…
Managing roles and governance via enterprise teams is in public preview
Last month, GitHub Enterprise Cloud introduced a public preview of enterprise teams for managing Copilot Business licenses in their enterprise account. We are back with more capabilities that allow enterprise…
Anthropic’s Claude Haiku 4.5 is in public preview for GitHub Copilot
Claude Haiku 4.5, Anthropic’s newest model aimed at delivering high performance with faster speeds, is now rolling out in GitHub Copilot. Availability in GitHub Copilot Claude Haiku 4.5 will be…
Upcoming deprecation of Claude Sonnet 3.5
We will deprecate Claude Sonnet 3.5 across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes) on November 6th, 2025. Newer, more capable models will be…
How GitHub Copilot enabled accessibility governance process improvements in record time
See how we turned weekly accessibility signals into an automated, accountable remediation workflow—powered by GitHub Copilot and cross‑functional collaboration.
Auto model selection is now in VS Code for Copilot Business and Enterprise
Auto model selection in Visual Studio Code is now available in public preview for GitHub Copilot Business and Enterprise plans. With auto model selection, Copilot chooses a model for you.…
Anthropic Claude Sonnet 4.5 is in public preview for GitHub Copilot
Claude Sonnet 4.5, Anthropic’s most advanced model for coding and real-world agents, is now rolling out in GitHub Copilot to Copilot Pro, Pro+, Business, and Enterprise. From our early testing,…
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