CircleCI incident: Issues with network routing for Mac jobs

Affected components

• macOS Jobs

1. resolvedJun 25, 2026, 03:06 UTC

   We are concluding this incident based on a confirmed fix with our infrastructure provider and successful tests. For any customers seeing failed runs, please run again for a successful connection.

2. monitoringJun 25, 2026, 02:58 UTC

   A fix has been implemented and we are monitoring the results.

3. investigatingJun 25, 2026, 02:54 UTC

   Due to continued reports of intermittent failures and a lack of sustained improvement while in monitoring status, this incident is elevated back to investigating to escalate with our infrastructure provider.

4. monitoringJun 25, 2026, 02:20 UTC

   We are continuing to monitor. We still observe a low percentage of intermittent failures. The failure rate is trending down as we continue to monitor. We advise customers to contact CircleCI Support if they see a change in degraded services and increased failure rate.

5. monitoringJun 25, 2026, 01:22 UTC

   We are continuing to monitor for any further issues.

6. monitoringJun 25, 2026, 01:13 UTC

   Our team is moving this incident to Monitoring status based on significant improvement seen in our tests and low error rate. We are seeing improvement in network routing for Mac jobs and are actively engaged with our infrastructure provider. If your Mac jobs experience network-related failures or degraded service please reach out to CircleCI support.

7. identifiedJun 25, 2026, 00:39 UTC

   We are seeing improvement in Mac job network routing. We will continue to monitor for signs of recovery.

8. identifiedJun 24, 2026, 23:56 UTC

   Mac jobs are still seeing intermittent failures with network routing. We are working with our infrastructure provider to address the networking issues.

9. identifiedJun 24, 2026, 23:33 UTC

   We have implemented a change to address the routing issues and are monitoring the results.

10. investigatingJun 24, 2026, 23:13 UTC

    What's happening Our engineers are investigating network routing issues for some Mac jobs. What's impacted Mac jobs that make outbound requests, including checking out from GitHub.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in CircleCI's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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How often does CircleCI have incidents?

CircleCI reported 22 incidents in the last 90 days, 1 of them major or critical. A typical incident lasted 1h 38m. See CircleCI's uptime and incident history