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

TestNodePool/HostedCluster0/ValidateHostedCluster/EnsureOAPIMountsTrustBundle

Significant regression detected.
Fishers Exact probability of a regression: 99.99%.
Test pass rate dropped from 100.00% to 89.47%.

Sample (being evaluated) Release: 4.20
Start Time: 2025-09-15T00:00:00Z
End Time: 2025-09-22T12:00:00Z
Success Rate: 89.47%
Successes: 34
Failures: 4
Flakes: 0
Base (historical) Release: 4.19
Start Time: 2025-05-18T00:00:00Z
End Time: 2025-06-17T23:59:59Z
Success Rate: 100.00%
Successes: 96
Failures: 0
Flakes: 0

View the test details report for additional context.

Filed by: dgoodwin@redhat.com