- Fixes a regression introduced in 1.29 where conntrack entries for UDP connections
  to deleted pods did not get cleaned up correctly, which could (among other things)
  cause DNS problems when DNS pods were restarted. ([#127806](https://github.com/kubernetes/kubernetes/pull/127806), [@danwinship](https://github.com/danwinship)) [SIG Network]

- Allowed setting the `hostnameOverride` field in `PodSpec` to specify any RFC 1123 DNS subdomain as the pod's hostname. The `HostnameOverride` feature gate was introduced to control enablement of this functionality. ([#132558](https://github.com/kubernetes/kubernetes/pull/132558), [@HirazawaUi](https://github.com/HirazawaUi)) [SIG API...

Previously introduced in 1.19 behind a feature gate, `SetHostnameAsFQDN` is now enabled by default. More details on this behavior are available in [documentation for DNS for Services and Pods](https://docs.k8s.io/concepts/services-networking/dns-pod-service/#pod-sethostnameasfqdn-field)

### `TokenRequest` / `TokenRequestProjection` graduates to General Availability

- Kubeadm: during 'upgrade apply', if the kube-proxy ConfigMap is missing, assume that kube-proxy should not be upgraded. Same applies to a missing kube-dns/coredns ConfigMap for the DNS server addon. Note that this is a temporary workaround until 'upgrade apply' supports phases. Once phases are supported the kube-proxy/dns upgrade should be skipped manually. ([#89593](https://github.com/kubernetes/kubernetes/pull/89593), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]...

- Fixes a regression introduced in 1.29 where conntrack entries for UDP connections
  to deleted pods did not get cleaned up correctly, which could (among other things)
  cause DNS problems when DNS pods were restarted. ([#127807](https://github.com/kubernetes/kubernetes/pull/127807), [@danwinship](https://github.com/danwinship)) [SIG Network]

		return muxRouter
	}
	registerAPIRouter(muxRouter)
	muxRouter.Use(globalMiddlewares...)
	return muxRouter
}

// generateTLSCertKey creates valid key/cert with registered DNS or IP address
// depending on the passed parameter. That way, we can use tls config without
// passing InsecureSkipVerify flag.  This code is a simplified version of
// https://golang.org/src/crypto/tls/generate_cert.go

- github.com/mattn/go-colorable: [v0.0.9](https://github.com/mattn/go-colorable/tree/v0.0.9)
- github.com/mattn/go-isatty: [v0.0.3](https://github.com/mattn/go-isatty/tree/v0.0.3)
- github.com/miekg/dns: [v1.0.14](https://github.com/miekg/dns/tree/v1.0.14)
- github.com/mitchellh/cli: [v1.0.0](https://github.com/mitchellh/cli/tree/v1.0.0)
- github.com/mitchellh/go-homedir: [v1.1.0](https://github.com/mitchellh/go-homedir/tree/v1.1.0)

	}
	err := objAPI.DeleteBucket(ctx, bucket, opts)
	if err != nil {
		if globalDNSConfig != nil {
			if err2 := globalDNSConfig.Put(bucket); err2 != nil {
				replLogIf(ctx, fmt.Errorf("Unable to restore bucket DNS entry %w, please fix it manually", err2))
			}
		}
		return err
	}

	globalNotificationSys.DeleteBucketMetadata(ctx, bucket)

	return nil
}

### Feature

- Added `k8s-short-name` and `k8s-long-name` format validation tags to enforce DNS label and DNS subdomain compliance. ([#133894](https://github.com/kubernetes/kubernetes/pull/133894), [@lalitc375](https://github.com/lalitc375))

- github.com/mattn/go-colorable: [v0.0.9](https://github.com/mattn/go-colorable/tree/v0.0.9)
- github.com/mattn/go-isatty: [v0.0.3](https://github.com/mattn/go-isatty/tree/v0.0.3)
- github.com/miekg/dns: [v1.0.14](https://github.com/miekg/dns/tree/v1.0.14)
- github.com/mitchellh/cli: [v1.0.0](https://github.com/mitchellh/cli/tree/v1.0.0)
- github.com/mitchellh/go-homedir: [v1.0.0](https://github.com/mitchellh/go-homedir/tree/v1.0.0)