GitHub Broke Git: The Merge Queue Bug That Silently Deleted Your Code

If you use GitHub's merge queue and had a rough week around April 23rd, 2026, you were not imagining things. Your code actually disappeared. Not because of a bad commit, not because of a rogue team member, but because GitHub itself quietly deleted it. This is the story of what happened, why it was way worse than the official numbers suggest, and what it means for the way we all trust the tools we build on. The Day GitHub Stopped Being Git At 16:05 UTC on April 23rd, 2026, a regression crept into