GitHub Service Degradation: Code Scanning and Project Boards Affected (April 20-21, 2026)
Welcome to GitHub's home for real-time and historical data on system performance.
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GitHub’s leadership blames the 3.5x increase in service load as the cause of degradation – or it might be self-inflicted.

GitHub's Performance Improvements for Pull Request Diff Rendering
The path to better performance is often found in simplicity.

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