Circle CI incident
Job start times for m1.medium, m2pro.medium, and m2pro.large are elevated
Circle CI experienced a minor incident on September 8, 2025 affecting macOS Jobs, lasting 3h 19m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 08, 2025, 03:54 PM UTC
Task start times for m1.medium, m2pro.medium, and m2pro.large are elevated and you may experience queueing.
- monitoring Sep 08, 2025, 06:19 PM UTC
Mac M1 medium and large jobs are now starting normally—delays have been resolved and queue times have returned to standard levels. Please note that demand remains high for M2 Pro large and medium resource classes. For teams needing immediate capacity, Mac M4 Pro resources are currently available. You can find more information about available resource classes at https://circleci.com/docs/using-macos/#available-resource-classes. If you have any questions or need assistance, please contact our customer support team. Thank you for your patience during this period.
- resolved Sep 08, 2025, 07:14 PM UTC
The issue impacting queue times for Mac M1 medium and large jobs has now been resolved. Mac M4 Pro resources remain available with additional capacity. Thank you for your patience while our engineers worked to resolve this issue.