(Feel free to update this bug's summary to be more specific.)
Component Readiness has found a potential regression in the following test:

[Monitor:legacy-cvo-invariants][bz-Cloud Compute] clusteroperator/cluster-autoscaler must go Progressing=True during an upgrade test

Test has a 92.16% pass rate, but 95.00% is required.

Sample (being evaluated) Release: 4.21
Start Time: 2025-11-06T00:00:00Z
End Time: 2025-11-13T12:00:00Z
Success Rate: 92.16%
Successes: 0
Failures: 4
Flakes: 47
Base (historical) Release: 4.20
Start Time: 2025-10-14T00:00:00Z
End Time: 2025-11-13T12:00:00Z
Success Rate: 0.00%
Successes: 0
Failures: 0
Flakes: 0

View the test details report for additional context.

Output from a failure job:

https://prow.ci.openshift.org/view/gs/test-platform-results/logs/periodic-ci-openshift-release-master-ci-4.21-upgrade-from-stable-4.20-e2e-aws-ovn-upgrade/1988845200054685696

: [Monitor:legacy-cvo-invariants][bz-Cloud Compute] clusteroperator/cluster-autoscaler must go Progressing=True during an upgrade test expand_less1h10m21s{  clusteroperator/cluster-autoscaler was never Progressing=True during the upgrade window from 2025-11-13T06:55:09Z to 2025-11-13T08:05:31Z and CVO waited for it over 2 minutes from 2025-11-13T07:20:40Z to 2025-11-13T07:22:40Z} 

Filed by: hongkliu@redhat.com