GitHub Updates Blog provides announcements, product updates, and insights into new features and enhancements on the GitHub platform. Developers can stay informed about changes to GitHub's developer tools, collaboration features, and security offerings. With GitHub's commitment to empowering developers and supporting open source communities, the GitHub Updates Blog serves as a resource for staying connected with the latest developments in software development.

GitHub Changelog

OpenAI's GPT-5.3-Codex model is rolling out to GitHub Copilot users across all subscription tiers. The new agentic coding model achieves higher benchmark scores and delivers up to 25% faster performance on agentic coding tasks compared to GPT-5.2-Codex, with improved reasoning for complex, tool-driven workflows. The model is available in VS Code, github.com, GitHub Mobile, CLI, and the Copilot Coding Agent, though Enterprise and Business administrators must enable it via policy settings.

GPT-5.3-Codex is now generally available for GitHub Copilot