Microsoft just reverted the VS Code default that automatically tagged commits with a Copilot co-author trailer — and it took a 1,200-point Hacker News thread to make it happen.
Here is what went down:
VS Code shipped a default that added a Co-authored-by: GitHub Copilot trailer to every commit made with Copilot's help. Developers noticed, did not love it, and the HN thread blew up.
Microsoft quietly reverted the default to off.
Why this matters for developers
This is not really about a commit trailer. It is about consent and transparency in tooling. The AI tools we use are increasingly opinionated about how they want to be credited, logged, and attributed — and most of that happens silently in the background.
A few things worth thinking about:
- Attribution vs. liability — if your commit says a model co-authored it, who owns that code?
- Default-on vs. opt-in — the industry trend is to bake AI attribution into tooling by default. This reversal is a rare pushback.
- Tooling transparency — as AI gets deeper into dev workflows, the metadata it attaches to your work matters more than most people realize.
The 1.2K HN score on that thread tells you this touched a nerve. Worth watching how other editors and IDEs handle this going forward.
Source: ai-tldr.dev — weekly digest of AI models, tools, and papers.
