VS Code inserting 'Co-Authored-by Copilot' into commits regardless of usage

VS Code users erupted after Copilot tried to sign their work by default

TLDR: VS Code changed a setting so its AI helper could be credited in code history by default, then walked it back after backlash. Commenters saw it as a trust-breaking move, with extra mockery because the AI reportedly warned the change was bad before humans pushed ahead.

A tiny setting change in VS Code turned into full-blown comment-section theater after people noticed the editor could start adding “Co-Authored-by Copilot” to code commits by default. In plain English: the app might label Microsoft’s AI assistant as a contributor to your saved work, even when users say they didn’t meaningfully use it. That was enough to send developers into a trust crisis, with one approver publicly apologizing and admitting the switch was turned on without enough validation.

And wow, the community did not keep it polite. The loudest critics called it everything from a sneaky branding stunt to a serious corruption of the record of who actually wrote code. One commenter compared it to the old “Sent from my iPhone” signature, except “much more invasive,” because code history can matter for jobs, audits, and even legal disputes. Another went full scorched-earth, saying big tech spent years rebuilding public trust only to “set fire to the whole thing in an offering to their robot gods.” Subtle? Not exactly.

Then came the funniest twist: commenters pointed out that Copilot itself reportedly suggested reverting the change because the update didn’t even consistently work. Yes, the AI may have tried to stop its own PR disaster, and humans allegedly ignored it. That detail became instant meme fuel. After backlash, the setting reportedly shifted again from off → on → chatAndAgent, which only added to the vibe that everyone was panic-editing the fallout in real time.

Key Points

  • A pull request changed the VS Code Git extension setting `git.addAICoAuthor` to enable AI co-author trailers by default.
  • The configuration default was updated from `"off"` to `"all"`.
  • The intended default behavior is to automatically add a `Co-authored-by` trailer when AI-generated code contributions are detected.
  • The article includes a review summary stating that Copilot reviewed 1 of 1 changed files and generated 1 comment.
  • The pull request also lists a screenshot-related file content replacement in `test/componentFixtures/blocks-ci-screenshots.md`.

Hottest takes

"set fire to the whole thing in an offering to their robot gods" — rsynnott
"modern version of 'Sent from my iPhone' but much more invasive" — yankohr
"copilot commented on the PR saying that this doesn’t actually change the behaviour... suggested reverting the change" — ddkto
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