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Outage in GitHub

Delays for Pull Requests and Webhook deliveries

Resolved Major
October 21, 2026 - Started 1 day ago - Lasted about 5 hours
Official incident page

Incident Report

Summary AI Generated

GitHub experienced a major incident lasting 4.5 hours in which increased load on its event-streaming platform caused significant delays across Pull Requests, Actions, Webhooks, and Audit Log events. The team mitigated the issue by shifting traffic away from affected infrastructure and adding processing capacity, with Pull Requests, Actions, and Webhook deliveries recovering first, followed by a prolonged Audit Log backlog that took an additional two to three hours to clear. The incident was fully resolved at 19:22 UTC, with a root cause analysis to follow.

We are investigating reports of degraded performance for Actions, Pull Requests and Webhooks

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 10/21/2026 07:22PM

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.

INVESTIGATING 1 day ago - at 10/21/2026 06:52PM

Audit log events continue to recover, with delays now below 70 minutes. We’ve applied mitigations to speed recovery and expect audit logs to fully recover in about 40 minutes. Pull request updates, Actions, and webhook deliveries remain recovered. We are monitoring progress and will share further updates.

INVESTIGATING 1 day ago - at 10/21/2026 06:18PM

Audit log events are recovering, with delays now below 90 minutes as the remaining backlog is processed. We’ve reduced load on the event-streaming platform and are monitoring recovery. Further updates will follow.

INVESTIGATING 1 day ago - at 10/21/2026 05:09PM

Pull request updates, Actions, and webhook deliveries have recovered. Audit log events are recovering and delays are decreasing, but we expect the remaining backlog to take approximately two to three hours to clear. We’re monitoring recovery and will share further updates.

INVESTIGATING 1 day ago - at 10/21/2026 04:59PM

Actions and webhook deliveries have recovered. Audit log events are still delayed by about 100 minutes. We are working through the backlog, and full recovery will take some time. We will share more updates as recovery continues.

INVESTIGATING 1 day ago - at 10/21/2026 04:57PM

Actions and Webhooks are operating normally.

INVESTIGATING 1 day ago - at 10/21/2026 04:34PM

Audit log events continue to be delayed by up to 110 minutes. Pull request updates have recovered. Actions is recovering, and users should no longer experience impact in Actions. Webhook deliveries continue to recover as we work through backlogs. We are monitoring recovery and will share further updates as we learn more.

INVESTIGATING 1 day ago - at 10/21/2026 04:33PM

Pull Requests is operating normally.

INVESTIGATING 1 day ago - at 10/21/2026 04:25PM

Audit log events are delayed by up to 100 minutes, and Actions workflow status updates continue to experience extended delays. Pull request updates and webhook deliveries are recovering as we restore event processing and work through backlogs. We’re monitoring recovery and will share further updates as we learn more.

INVESTIGATING 1 day ago - at 10/21/2026 04:17PM

Audit log events and Actions workflow status updates continue to be delayed. Pull request updates and webhook deliveries are recovering as we restore event processing and work through backlogs. We’re monitoring the recovery and will share further updates as we learn more.

INVESTIGATING 1 day ago - at 10/21/2026 03:58PM

We continue to see delays affecting pull request updates, webhook deliveries, and audit log events. The event streaming platform is showing signs of recovery, and we are monitoring as the impact continues.

INVESTIGATING 1 day ago - at 10/21/2026 03:36PM

We are investigating delays affecting pull request updates and webhook deliveries. Increased load on our event streaming platform is contributing to hotspots. We are shifting traffic away from affected areas and adding processing capacity; impact is ongoing while these mitigations take effect.

INVESTIGATING 1 day ago - at 10/21/2026 03:15PM

Actions is experiencing degraded performance. We are continuing to investigate.

INVESTIGATING 1 day ago - at 10/21/2026 02:52PM

We are investigating reports of degraded performance for Actions, Pull Requests and Webhooks

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