Outage in GitHub

Degraded Performance for GitHub Actions MacOS Runners

Resolved Minor
October 01, 2025 - Started 1 day ago - Lasted about 9 hours
Official incident page

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Outage Details

We are currently investigating this issue.
Components affected
GitHub Actions
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 10/01/2025 04:55PM

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 10/01/2025 04:27PM

We are seeing some recovery for image queueing and continuing to monitor.

INVESTIGATING 1 day ago - at 10/01/2025 02:41PM

We are continuing work to restore capacity for our MacOS ARM runners.

INVESTIGATING 1 day ago - at 10/01/2025 01:58PM

Our team continues to work hard on restoring capacity for the Mac runners.

INVESTIGATING 1 day ago - at 10/01/2025 01:12PM

Work continues on restoring capacity on the Mac runners.

INVESTIGATING 1 day ago - at 10/01/2025 12:32PM

MacOS ARM runners continue to be at reduced capacity, causing queuing of jobs. Investigation is ongoing.

INVESTIGATING 1 day ago - at 10/01/2025 11:51AM

Work continues to bring the full runner capacity back online. Resources are focused on improving the recovery of certain runner types.

INVESTIGATING 1 day ago - at 10/01/2025 11:11AM

We are continuing to see recovery of some runner capacity and investigating slow recovery of certain runner types.

INVESTIGATING 1 day ago - at 10/01/2025 10:30AM

We are seeing recovery of some runner capacity, while also investigating slow recovery of certain runner types.

INVESTIGATING 1 day ago - at 10/01/2025 09:44AM

MacOS runners are coming back online and starting to process queued work.

INVESTIGATING 1 day ago - at 10/01/2025 08:59AM

We are continuing to deploy the necessary changes to restore MacOS runner capacity.

INVESTIGATING 1 day ago - at 10/01/2025 08:27AM

We have identified the cause and are deploying a change to restore MacOS runner capacity.

INVESTIGATING 1 day ago - at 10/01/2025 08:17AM

Customers using GitHub Actions Mac OS runners are experiencing job start delays and failures. We are aware of this issue and actively investigating.

INVESTIGATING 1 day ago - at 10/01/2025 08:09AM

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

INVESTIGATING 1 day ago - at 10/01/2025 07:59AM

We are currently investigating this issue.

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