Outage in GitHub

Disruption with some GitHub services

Resolved Minor

December 08, 2025 - Started 3 months ago - Lasted about 1 hour
Official incident page

Incident Report

We are investigating reports of impacted performance for some GitHub services.

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Latest Updates ( sorted recent to last )

RESOLVED 3 months ago - at 12/08/2025 10:33PM

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 3 months ago - at 12/08/2025 10:10PM

We are beginning to see signs of resolution after applying a mitigation. We expect full resolution within approximately 30 minutes.

INVESTIGATING 3 months ago - at 12/08/2025 10:04PM

We're continuing to investigate and mitigate issues with the GPT 4o model for Copilot completions. Users can currently work around this issue by updating their VS Code settings with "github.copilot.advanced.debug.overrideEngine": "gpt-41-copilot".

INVESTIGATING 3 months ago - at 12/08/2025 09:32PM

We are currently investigating failures with the GPT 4o model for Copilot completions.

INVESTIGATING 3 months ago - at 12/08/2025 09:28PM

We are investigating reports of impacted performance for some GitHub services.

Latest GitHub outages

Delayed visibility of newly added issues on project boards - about 5 hours ago

Incident with Pull Requests /pulls - about 9 hours ago

Incident with Copilot agent sessions - 3 days ago

Code view fails to load when content contains some non-ASCII characters - 4 days ago

Incident with Copilot - 5 days ago

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