Guidance for identifying and mitigating those issues is outlined in the Kubernetes [seccomp tutorial](https://k8s.io/docs/tutorials/security/seccomp). ([#115719](https://github.com/kubernetes/kubernetes/pull/115719), [@saschagrunert](https://github.com/saschagrunert)) [SIG API Machinery, Node, Storage and Testing]

### Promoted SeccompDefault to Beta

SeccompDefault promoted to beta, see the tutorial [Restrict a Container's Syscalls with seccomp](https://kubernetes.io/docs/tutorials/security/seccomp/#enable-the-use-of-runtimedefault-as-the-default-seccomp-profile-for-all-workloads) for more details.

### Promoted endPort in Network Policy to Stable

To learn more about the feature, please refer to the official [seccomp tutorial](https://kubernetes.io/docs/tutorials/clusters/seccomp/#enable-the-use-of-runtimedefault-as-the-default-seccomp-profile-for-all-workloads).

### Quality of Service for memory resources

  * The bootstrap token system now allows token management and expiration
* The [`kubefed` federation bootstrap tool](https://kubernetes.io/docs/tutorials/federation/set-up-cluster-federation-kubefed/) has also graduated to beta.