### Cluster-wide seccomp defaults

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### **Cluster Lifecycle**

*   You must either specify the `--discovery-token-ca-cert-hash` flag to `kubeadm join`, or opt out of the CA pinning feature using `--discovery-token-unsafe-skip-ca-verification`.
*   The default `auto-detect` behavior of the kubelet's `--cloud-provider` flag is removed.

- Respect annotation size limit for server-side apply updates to the client-side apply annotation. Also, fix opt-out of this behavior by setting the client-side apply annotation to the empty string. ([#102105](https://github.com/kubernetes/kubernetes/pull/102105), [@julianvmodesto](https://github.com/julianvmodesto)) [SIG API Machinery]

- CoreDNS is now the default DNS server in kube-up deployments.  ([#69883](https://github.com/kubernetes/kubernetes/pull/69883), [@chrisohaver](https://github.com/chrisohaver))
- Opt out of chowning and chmoding from kubectl cp. ([#69573](https://github.com/kubernetes/kubernetes/pull/69573), [@bjhaid](https://github.com/bjhaid))

    Note over client,operation: Response is already sent, can't change it anymore
    opt Tasks
        operation -->> tasks: Send background tasks
    end
    opt Raise other exception
        tasks -->> dep: Raise other exception
    end
    Note over dep: After yield
    opt Handle other exception
        dep -->> dep: Handle exception, can't change response. E.g. close DB session.
    end

these http/2 attacks may choose to disable the kube-apiserver mitigation to avoid disrupting load balancer -> kube-apiserver connections if http/2 requests from multiple clients share the same backend connection. An API server on a private network may opt to disable the kube-apiserver mitigation to prevent performance regressions for unauthenticated clients. Authenticated requests rely on the fix in golang.org/x/net `v0.17.0` alone. https://issue.k8s.io/121197 tracks further mitigation of http/2 attacks...

- Kubernetes is now built with Go 1.20.9 ([#121023](https://github.com/kubernetes/kubernetes/pull/121023), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

- **Network**
  - [stable] Services can reference another service by DNS name, rather than being hosted in pods ([kubernetes/features#33](https://github.com/kubernetes/enhancements/issues/33))
  - [beta] Opt in source ip preservation for Services with Type NodePort or LoadBalancer ([docs](http://kubernetes.io/docs/tutorials/services/source-ip/)) ([kubernetes/features#27](https://github.com/kubernetes/enhancements/issues/27))

    - `kubectl create clusterrolebinding anonymous-discovery --clusterr...