GitHub Processed 275 Million Commits Last Week. AI Agents Just Broke Software Development Infrastructure.

On April 20, 2026, GitHub reported that its platform processed approximately 275 million commits in a single week. For context: GitHub's weekly commit volume in 2024 was roughly 20 million. That's a 13x increase in roughly 18 months. The driver is not an explosion in human developers — it's AI agents. Claude Code, GitHub Copilot Workspace, Codex, Cursor Background Agents, and dozens of similar tools are now generating and committing code at machine speed and machine volume. The result is that software development infrastructure — built to handle human-pace contributions — is under load it wasn't designed for. For vibe coders running agentic workflows, this has direct practical implications: repository state is increasingly complex, PR review queues are backed up, and the tooling conventions built around human-authored code are breaking down. Here's a precise account of what's happening, why it matters, and what it changes about how you should structure your agentic coding workflows.