Kubeadm: when using a custom image repository for 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...

#### **CoreDNS**

- github.com/coreos/bbolt: [v1.3.2](https://github.com/coreos/bbolt/tree/v1.3.2)
- github.com/coreos/etcd: [v3.3.13+incompatible](https://github.com/coreos/etcd/tree/v3.3.13)
- github.com/coreos/go-systemd: [95778df](https://github.com/coreos/go-systemd/tree/95778df)
- github.com/coreos/pkg: [399ea9e](https://github.com/coreos/pkg/tree/399ea9e)

* CoreDNS is now version 1.5.0 ([#78030](https://github.com/kubernetes/kubernetes/pull/78030), [@rajansandeep](https://github.com/rajansandeep))
    * A `ready` plugin has been included to report pod readiness
    * The `proxy` plugin has been deprecated. The `forward` plugin is to be used instead.
    * CoreDNS fixes the logging now that kubernetes’ client lib switched to klog from glog.

- github.com/aws/aws-sdk-go: [v1.44.116 → v1.35.24](https://github.com/aws/aws-sdk-go/compare/v1.44.116...v1.35.24)
- github.com/coredns/corefile-migration: [v1.0.17 → v1.0.20](https://github.com/coredns/corefile-migration/compare/v1.0.17...v1.0.20)
- github.com/coreos/go-systemd/v22: [v22.3.2 → v22.4.0](https://github.com/coreos/go-systemd/v22/compare/v22.3.2...v22.4.0)

- github.com/coreos/etcd: [v3.3.13+incompatible → v3.3.15+incompatible](https://github.com/coreos/etcd/compare/v3.3.13...v3.3.15)
- github.com/coreos/go-oidc: [065b426 → v2.1.0+incompatible](https://github.com/coreos/go-oidc/compare/065b426...v2.1.0)
- github.com/coreos/go-semver: [e214231 → v0.3.0](https://github.com/coreos/go-semver/compare/e214231...v0.3.0)

- Allow for configuration of CoreDNS replica count ([#85837](https://github.com/kubernetes/kubernetes/pull/85837), [@pickledrick](https://github.com/pickledrick)) [SIG Cluster Lifecycle]

## Known Issues

- Kubeadm: Update CoreDNS to v1.9.3. ([#110489](https://github.com/kubernetes/kubernetes/pull/110489), [@pacoxu](https://github.com/pacoxu))

* Kubeadm: CoreDNS supports migration of the kube-dns configuration to CoreDNS configuration when upgrading the service discovery from kube-dns to CoreDNS as part of Beta.  ([#58828](https://github.com/kubernetes/kubernetes/pull/58828), [@rajansandeep](https://github.com/rajansandeep))