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.