When VS Code Writes: Unpacking the 'Co-authored by Copilot' Confusion

In recent months, a peculiar behavior observed in Visual Studio Code (VS Code) has sparked discussions among developers: the automatic insertion of the phrase “co-authored by Copilot” in the code comments, even when GitHub Copilot is not actively used by the developer. This phenomenon raises essential questions regarding code attribution, developer productivity, and the implications of AI-assisted coding tools in collaborative programming environments. As the line between human and AI contributi