Outage in GitHub

Incident with Pull Requests

Resolved Minor

September 20, 2026 - Started about 4 hours ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

GitHub experienced degraded performance affecting Pull Requests for approximately 1.2 hours. The issue was traced to a git fileserver problem that caused delays in creating some merge commits, which was resolved by isolating the affected server. The incident was fully resolved after a period of monitoring to confirm stability.

We are investigating reports of degraded performance for Pull Requests

Components affected

GitHub Pull Requests

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Latest Updates ( sorted recent to last )

RESOLVED about 3 hours ago - at 09/20/2026 11:22PM

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

MONITORING about 4 hours ago - at 09/20/2026 10:32PM

A git fileserver issue caused a brief delay in creating some merge commits - we've isolated the underlying server and already observed recovery.

MONITORING about 4 hours ago - at 09/20/2026 10:27PM

The degradation affecting Pull Requests has been mitigated. We are monitoring to ensure stability.

INVESTIGATING about 4 hours ago - at 09/20/2026 10:13PM

We are investigating reports of degraded performance for Pull Requests

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