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VS Code Inserts 'Co-Authored-by Copilot' into Commits Regardless of Usage

·2026.05.03 09:45

Key point

A regression has surfaced where VS Code adds `Co-authored-by: Copilot` regardless of whether Copilot was actually used.

Details

In PR #310226, the default for git.addAICoAuthor was changed from off to all and merged into main, but this was later acknowledged as a regression and is scheduled to be fixed in 1.119.

The core issue was that when AI-generated code contributions were detected, a Co-authored-by: Copilot trailer was automatically appended to commits. The default value in the package.json schema and the runtime fallback in repository.ts were also inconsistent with each other.

  • Some users reproduced the issue where the co-author attribution was added even though they weren't using Copilot or had chat.disableAIFeatures turned on.
  • A VS Code contributor stated that attribution should not be added unless the changes were actually made by AI.
gitgithub-copilotvscoderegression
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