Public preview of Microsoft’s C++ tools for the AI coding assistant are available in Visual Studio 2026 Insiders.

GitHub changelog posts detail new Copilot Spaces sharing features, a Visual Studio Copilot update, and public preview access to OpenAI's GPT-5.1-Codex-Max model.

Note that GitHub Copilot isn’t optimized for R; the documentation says Copilot works “especially well” for Python, JavaScript, TypeScript, Ruby, Go, C#, and C++. However, Copilot does make R code ...