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GitHub Blog - 1

2026 (1)

January (1)

github: GitHub Actions: Smarter editing, clearer debugging, and a new case function

GitHub

2026-01-29

GitHub released several updates to GitHub Actions that make it easier to write, validate, and troubleshoot workflow logic — especially workflows that use if: conditionals — by offering smarter editing, clearer debugging, and a new case function.

2025 (11)

December (9)

github: You can now require reviews before closing Dependabot alerts with delegated alert dismissal

GitHub

2025-12-19

GitHub announced Delegated alert dismissal, a feature that requires a review process before Dependabot alerts can be closed. It is available to GitHub Code Security customers and was reported on the GitHub Blog (changelog entry dated 2025-12-19).

github: Claude Opus 4.5 is now generally available in GitHub Copilot

GitHub

2025-12-18

Claude Opus 4.5 is now generally available in GitHub Copilot and can be accessed in GitHub Copilot Chat on github.com for Copilot Enterprise, Copilot Business, Copilot Pro, and Copilot Pro+ customers. The announcement was published on The GitHub Blog.

github: GPT-5.2 is now generally available in GitHub Copilot

GitHub

2025-12-17

GitHub announced that GPT-5.2 is now generally available in GitHub Copilot (Dec 17, 2025). The model is available to Copilot Enterprise, Copilot Business, Copilot Pro, and Copilot Pro+ customers and can be used in GitHub Copilot Chat on github.com and GitHub Mobile.

github: C++ code editing tools for GitHub Copilot in public preview

GitHub

2025-12-16

GitHub announced that C++ code editing tools for GitHub Copilot are now in public preview, delivered with the latest Visual Studio 2026 Insiders release. The tools extend Copilot’s ability to understand and modify C++ code inside the IDE.

github: Dependabot security updates now support uv

GitHub

2025-12-16

Dependabot now supports security alerts and automatic dependency updates for the uv ecosystem. When vulnerabilities are found in uv dependencies, Dependabot can open security alerts and create pull requests to update to secure versions.

github: Gemini 3 Pro is now available in Visual Studio, JetBrains IDEs, Xcode, and Eclipse

GitHub

2025-12-12

Gemini 3 Pro is available in public preview for Copilot Enterprise, Copilot Business, Copilot Pro, and Copilot Pro+ users and can be accessed via GitHub Copilot Chat and directly in Visual Studio, JetBrains IDEs, Xcode, and Eclipse.

github: GitHub Enterprise Server 3.19 is now generally available

GitHub

2025-12-10

GitHub Enterprise Server (GHES) 3.19 is now generally available. The release focuses on improving deployment efficiency, expanding monitoring capabilities, strengthening code security, and refining policy management with a more intuitive flow.

github: Model picker for Copilot coding agent for Copilot Pro and Pro+ subscribers

GitHub

2025-12-08

GitHub added a model picker to the Copilot coding agent so Copilot Pro and Pro+ subscribers can choose which model the asynchronous background agent uses when starting tasks from the agents UI.

github: CodeQL 2.23.6 adds Swift 6.2.1 and new C# security queries

GitHub

2025-12-04

CodeQL 2.23.6 has been released, adding support for Swift 6.2.1 and introducing new C# security queries. CodeQL is the static analysis engine behind GitHub code scanning, used to find and remediate security issues. The announcement appeared on The GitHub Blog.

November (2)

github: Linter integration with Copilot code review now in public preview

GitHub

2025-11-20

GitHub Copilot Code Review now integrates linter feedback directly into code reviews and lets repositories specify which linters to use via repository rulesets. The feature is available in public preview so teams can start surfacing and customizing actionable linter suggestions within reviews.

github: Internal MCP registry and allowlist controls for VS Code Stable in public preview

GitHub

2025-11-18

GitHub announced that enterprise and organization administrators can configure internal MCP registries and enforce allowlist policies in the latest VS Code Stable release (public preview), extending governance controls to the majority of Copilot users.