Outage in GitHub Enterprise Cloud - EU

EU - Incident with Pull Requests

Resolved Minor

April 23, 2026 - Started about 3 hours ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

GitHub Enterprise Cloud EU experienced degraded performance for Pull Requests due to a regression in merge queue behavior affecting squash merging and rebasing operations. The incident lasted 1.9 hours and was resolved by reverting the problematic change. Pull Requests functionality returned to normal operation and the incident was fully resolved.

We are investigating reports of degraded performance for Pull Requests

Components affected

GitHub Enterprise Cloud - EU Pull Requests

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Latest Updates ( sorted recent to last )

RESOLVED about 1 hour ago - at 04/23/2026 09:43PM

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.

INVESTIGATING about 1 hour ago - at 04/23/2026 09:38PM

Pull Requests is operating normally.

INVESTIGATING about 3 hours ago - at 04/23/2026 07:58PM

We have identified a regression in merge queue behavior present when squash merging or rebasing. We have identified the root-cause and are in the process of reverting the change.

INVESTIGATING about 3 hours ago - at 04/23/2026 07:50PM

We are investigating reports of degraded performance for Pull Requests

Latest GitHub Enterprise Cloud - EU outages

EU - Disruption with users unable to start Claude and Codex agent task from the web - about 4 hours ago

EU - Disruption with some GitHub services - 1 day ago

EU - Disruption with Copilot chat and Copilot Coding Agent - 1 day ago

EU - Disruption with some GitHub services - 10 days ago

EU - Problems with third-party Claude and Codex Agent sessions not being listed in the agents tab dashboard - 13 days ago

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