Longtime Slashdot reader UnknowingFool writes: On April 15, 2026, a Microsoft employee made a change to Visual Studio Code and pushed it within 8 hours without review, notification, or documentation. The change added "Co-authored-by: Copilot" by default to the end of commit messages in Git when Copilot was used in creating the code. However, the implementation was bugged, and the message was added to every commit regardless if Copilot was used or disabled. Since this message was automatically added to the end of commit messages, users were not aware of it as the UI does not show this addition when making commits. The change as been reverted as of May 3, but not before 1.4 million commits wer...