GPT-5.5 is generally available for GitHub Copilot

GitHub Changelogより「GPT-5.5 is generally available for GitHub Copilot」に関する更新情報が公開されました。

GPT-5.5, OpenAI’s latest GPT model, is now rolling out on GitHub Copilot. In our early testing, GPT-5.5 delivers its strongest performance on complex, multi-step agentic coding task and resolves real-world… The post GPT-5.5 is generally available…

実務では、既存環境への影響範囲を先に切り分け、段階適用でリスクを抑える進め方が有効です。