- Dockershim security: pod sandbox now always run with `no-new-privileges` and `runtime/default` seccomp profile

*   Hyperkube now supports the support --experimental-dockershim kubelet flag. ([#54508](https://github.com/kubernetes/kubernetes/pull/54508),[ @ivan4th](https://github.com/ivan4th))

- Traffic shaping is now supported for the CNI network driver. ([#63194](https://github.com/kubernetes/kubernetes/pull/63194), [@m1093782566](https://github.com/m1093782566))

- Windows runtime endpoints is now switched to `npipe:////./pipe/dockershim` from `tcp://localhost:3735`. ([#69516](https://github.com/kubernetes/kubernetes/pull/69516), [@feiskyer](https://github.com/feiskyer))

- Kubernetes will now allow trailing dots in the externalName of Services of type ExternalName. ([#78385](https://github.com/kubernetes/kubernetes/pull/78385), [@thz](https://github.com/thz))

### Node

- The dockershim container runtime now accepts the `docker` runtime handler from a RuntimeClass. ([#78323](https://github.com/kubernetes/kubernetes/pull/78323), [@tallclair](https://github.com/tallclair))

* GCE: provide an option to disable docker's live-restore on COS/ubuntu ([#55260](https://github.com/kubernetes/kubernetes/pull/55260), [@yujuhong](https://github.com/yujuhong))
* Fix hyperkube kubelet --experimental-dockershim ([#55250](https://github.com/kubernetes/kubernetes/pull/55250), [@ivan4th](https://github.com/ivan4th))

- Ensures `ExecProbeTimeout=false` kubelet feature gate with dockershim is taken into account, when the exec probe takes longer than `timeoutSeconds` configuration. ([#100200](https://github.com/kubernetes/kubernetes/pull/100200), [@jackfrancis](https://github.com/jackfrancis))

- Kubeadm: removed the usage of the `--container-runtime=remote` flag for the kubelet during kubeadm init/join/upgrade. The flag value `remote` had been the only possible value since `dockershim` was removed from the kubelet. ([#112000](https://github.com/kubernetes/kubernetes/pull/112000), [@pacoxu](https://github.com/pacoxu))