Unable to upgrade clusters after upgrading to Rancher 2.7.3

“Kubernetes Options” in Cluster Management is now greyed out for me, and I am unable to upgrade attached clusters after upgrading local cluster from Rancher 2.7.2 to 2.7.3.

Running Kubernetes v1.24.10 on local and managed cluster (RKE1)

Anybody else having this issue?

Are you seeing any errors in the Rancher logs?