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

[sig-instrumentation] Metrics should grab all metrics from kubelet /metrics/resource endpoint [Suite:openshift/conformance/parallel] [Suite:k8s]

Significant regression detected.
Fishers Exact probability of a regression: 100.00%.
Test pass rate dropped from 100.00% to 91.12%.

Sample (being evaluated) Release: 4.20
Start Time: 2025-06-09T00:00:00Z
End Time: 2025-06-16T08:00:00Z
Success Rate: 91.12%
Successes: 195
Failures: 19
Flakes: 0

Base (historical) Release: 4.19
Start Time: 2025-05-17T00:00:00Z
End Time: 2025-06-16T08:00:00Z
Success Rate: 100.00%
Successes: 834
Failures: 0
Flakes: 88

View the test details report for additional context.

The above is just one example but this test is currently causing a total of 14 regressions, it's having issues all across the board, seemingly all platforms.