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CircleCI incident

Increased wait times for macOS jobs on m4pro.large

Resolved after 2 h 15 min.

Started
Ended
Worst state
Degraded
On CircleCI’s status page
Source
Components
macOS Jobs

Live CircleCI status Full CircleCI outage history

Timeline

  1. CircleCI status page · Reported Increased wait times for macOS jobs on m4pro.large
  2. CircleCI status page · Investigating We're seeing increased wait times for some macOS jobs using the m4pro.large resource class. We're investigating and will provide another update soon. Thank you for your patience.
  3. CircleCI status page · Monitoring Customers running macOS jobs on the m4pro.large resource class are still seeing increased wait times, with some jobs waiting up to 30 minutes to start. We're continuing to monitor this and will share another update shortly.
  4. CircleCI status page · Monitoring Wait times for m4pro.large are still elevated due to heavy large demand. All m4pro.medium are normal. We're actively monitoring, we appreciate patience.
  5. CircleCI status page · Monitoring Wait times for macOS jobs on the m4pro.large resource class are recovering. Jobs using Xcode 27.0 are now waiting about ~3.5 minutes on average, down from about ~40 minutes at the peak. Jobs using Xcode 26.6 and 26.4.1 are still working through a backlog, which is clearing. Wait times on m4pro.medium are normal. We will share another update soon as we continue to monitor.
  6. CircleCI status page · Resolved Wait times for macOS jobs on the m4pro.large resource class have returned to normal. We thank you for your patience while the backlogs cleared.

Cite this incident

Site Qwality, “Increased wait times for macOS jobs on m4pro.large,” Oct 20, 2026, https://siteqwality.com/is-circleci-down/incidents/circleci-202610201558/

Free to quote with a link to this page.