Circle CI incident

Mac jobs failing to start

Circle CI is currently experiencing a minor incident affecting macOS Jobs, which began 3h ago. The vendor's full update timeline is below.

Started
May 31, 2026, 06:15 PM UTC
Resolved
Ongoing
Duration
● 2h 37m
Detected by Pingoru
May 31, 2026, 06:15 PM UTC

Affected components

macOS Jobs

Update timeline

  1. identified May 31, 2026, 06:15 PM UTC

    We have identified a network outage that is preventing Mac jobs from starting. This include m4pro.medium and m4pro.large resource types. We are working with our infrastructure provider to restore service. We will update this incident as we work to resolve the issue.

  2. identified May 31, 2026, 07:09 PM UTC

    We are continuing to work on resolving the networking issue for Mac jobs.

  3. identified May 31, 2026, 08:05 PM UTC

    We are still seeing failures with Mac jobs starting due to high network latency and packet loss. We will continue to update as we have more information on a resolution.