October 2025 update makes the Claude Sonnet 4.5 and Claude Haiku 4.5 coding models available for use in the GitHub Copilot ...

These agents are designed to understand project context, plan actions, call tools dynamically, and assist with development workflows such as debugging, refactoring, and test generation. The roadmap ...

It can generate multi-file suggestions to bring older code closer to modern C++ idioms. The announcement emphasizes that these enhancements are part of ongoing work rather than immediate mandatory ...