Issues with network routing for Mac jobs

Summary

Issues with network routing for Mac jobs

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.

• Started

  Jun 24, 2026 · 11:13 PM

• Resolved

  Jun 25, 2026 · 3:06 AM

• Duration

  3h 52m

• Severity

  Major

• ◐

  Investigating

  Jun 24 · 11:13 PM CircleCI

  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.

• ◆

  Identified

  Jun 24 · 11:33 PM CircleCI

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

• ◆

  Identified

  Jun 24 · 11:56 PM CircleCI

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

• ◆

  Identified

  Jun 25 · 12:39 AM CircleCI

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

• ◉

  Monitoring

  Jun 25 · 1:13 AM CircleCI

  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.

• ◉

  Monitoring

  Jun 25 · 1:22 AM CircleCI

  We are continuing to monitor for any further issues.

• ◉

  Monitoring

  Jun 25 · 2:20 AM CircleCI

  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.

• ◐

  Investigating

  Jun 25 · 2:54 AM CircleCI

  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.

• ◉

  Monitoring

  Jun 25 · 2:58 AM CircleCI

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

• ✓

  Resolved

  Jun 25 · 3:06 AM CircleCI

  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.