Tried to verify, but hit bug 1857162.
The blocker bug's PR is merged in 4.6.0-0.nightly-2020-09-04-064335. I'm rebuilding the upgrade jobs to verify my bug.
Upgraded from 4.5.0-0.nightly-2020-09-04-043839 to 4.6.0-0.nightly-2020-09-04-064335 with original matrix in comment 0. The upgrade is complete: $ oc get clusterversion version NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.6.0-0.nightly-2020-09-04-064335 True False 16m Cluster version is 4.6.0-0.nightly-2020-09-04-064335 $ oc get co # all are "4.6.0-0.nightly-2020-09-04-064335 True False False" NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE authentication 4.6.0-0.nightly-2020-09-04-064335 True False False 17m cloud-credential 4.6.0-0.nightly-2020-09-04-064335 True False False 3h23m ... openshift-apiserver 4.6.0-0.nightly-2020-09-04-064335 True False False 3h8m ... service-ca 4.6.0-0.nightly-2020-09-04-064335 True False False 3h13m storage 4.6.0-0.nightly-2020-09-04-064335 True False False 23m
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:4196
Removing UpgradeBlocker from this older bug, to remove it from the suspect queue described in [1]. If you feel like this bug still needs to be a suspect, please add keyword again. [1]: https://github.com/openshift/enhancements/pull/475