- Kubeadm: during "upgrade apply/diff/node", in case the `ClusterConfiguration.imageRepository` stored in the "kubeadm-config" `ConfigMap` contains the legacy "k8s.gcr.io" repository, modify it to the new default "registry.k8s.io". Reflect the change in the in-cluster `ConfigMap` only during "upgrade apply". ([#110343](https://github.c...

CoreDNS kubeadm now will append the `coredns` image name instead of `coredns/coredns`, thus restoring the behaviour existing before the v1.21 release. Users who rely on nested folder for the coredns image should set the `clusterConfiguration.dns.imageRepository` value including the nested path name (e.g using `registry.company.xyz/coredns` will force kubeadm to use `registry.company.xyz/coredns/coredns` image). No action is needed if using the default registry (k8s.gcr.io). ([#102502](https://github...

CoreDNS kubeadm now will append the "coredns"  image name instead of  "coredns/coredns", thus restoring the behaviour existing before the v1.21 release. Users who rely on nested folder for the coredns image should set the "clusterConfiguration.dns.imageRepository" value including the nested path name (e.g using "registry.company.xyz/coredns" will force kubeadm to use "registry.company.xyz/coredns/coredns" image). No action is needed if using the default registry (k8s.gcr.io). ([#102502](https://github...