GitHub Release notes and new features

Upcoming deprecation of selected GitHub Copilot models

We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) on October 2nd, 2026: Model Deprecation date Suggested alternative Gemini 3.5 Flash 2026-10-02 Gemini 3.8 Flash Gemini 3.6 Flash 2026-10-02 Gemini 3.8 Flash Kimi K2.7 Code 2026-10-02 Kimi K3 Claude...

• GitHub CLI 2.100.0GitHub CLI
• CodeQL 2.26.4 improves GitHub actions security detectionsGitHub Actions
• Gemini 3.8 Flash is now available in GitHub CopilotGitHub Copilot
• GitHub CLI Linux package signing key expires September 5GitHub platform
• Reopening Copilot Business and Enterprise signupsGitHub Copilot
• Upcoming deprecation of selected GitHub Copilot modelsGitHub Copilot · Deprecation
• GitHub Actions: Early September 2026 updatesGitHub Actions
• Multiple trusted publishing configurations for npmGitHub Advanced Security · GA