Resolved after 1 hour 11 minutes, affecting macOS Jobs, on April 24, 2026.
Customers running macOS jobs on m4pro.medium and m4pro.large with the xcode:26.4.0 image experienced job rejections with the error: "Job was rejected because resource class , image xcode:26.4.0 is not a valid resource class". The issue has been resolved and affected jobs should now run normally. Customers whose jobs failed may rerun affected jobs. We thank you for your patience while our team worked on implementing a fix.
Affected components
Update timeline
- identified Apr 24, 2026, 05:25 PM UTC
There are build failures for Xcode 26.4.0; we have identified the issue and are currently implementing a fix.
- monitoring Apr 24, 2026, 06:01 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Apr 24, 2026, 06:36 PM UTC
Customers running macOS jobs on m4pro.medium and m4pro.large with the xcode:26.4.0 image experienced job rejections with the error: "Job was rejected because resource class , image xcode:26.4.0 is not a valid resource class". The issue has been resolved and affected jobs should now run normally. Customers whose jobs failed may rerun affected jobs. We thank you for your patience while our team worked on implementing a fix.
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