Major outageGitHub ・ April 23, 2026
Disruption with Copilot chat and Copilot Coding Agent
A record of the GitHub incident on April 23, 2026 (Japan time): start time, duration and severity, plus current status, what to do, and alternatives.
Started
Apr 23, 2026, 12:35 AM
Resolved
Apr 23, 2026, 04:18 AM
Duration
3h 43m
Impact
Major outage
Current status
GitHub is operating normally now. This incident has been resolved.
See current GitHub status →What you can do during an outage
Source: GitHub's official status page.
Other GitHub incidents
- Copilot Code Review FailingJune 5, 2026
- Disruption with some GitHub servicesJune 4, 2026
- Disruption with some GitHub servicesJune 3, 2026
- Delays with Code Scanning and BillingJune 2, 2026
- Elevated error rates across multiple servicesMay 29, 2026