* kubelet's `--cni-bin-dir` option now accepts multiple comma-separated CNI binary directory paths, which are searched for CNI plugins in the given order. ([#58714](https://github.com/kubernetes/kubernetes/pull/58714), [@dcbw](https://github.com/dcbw))

  - `v1alpha1` has been removed.
  - `v1alpha3` has split apart `MasterConfiguration` into separate components; `InitConfiguration`, `ClusterConfiguration`, `JoinConfiguration`, `KubeletConfiguration`, and `KubeProxyConfiguration`
  - Different configuration types can be supplied all in the same file separated by `---`.
- Improved CRI handling
  - crictl is no longer required in docker-only setups.

    * ServiceDelimiter string Delimiter to use to separate overridden services (multiple services) Defaults to "&"
    * ServicenameDelimiter string Delimiter to use to separate servicename from its configuration parameters Defaults "|"
    * OverrideSeparator string Delimiter to use to separate region of occurrence, url and signing region for each override Defaults to ","

- Kube-apiserver: multiple comma-separated protocols in a single X-Stream-Protocol-Version header are now recognized, in addition to multiple headers, complying with RFC2616 ([#89857](https://github.com/kubernetes/kubernetes/pull/89857), [@tedyu](https://github.com/tedyu)) [SIG API Machinery]...

* Build hyperkube in hack/local-up-cluster instead of separate binaries ([#25627](https://github.com/kubernetes/kubernetes/pull/25627), [@luxas](https://github.com/luxas))

application data workloads. | IMPORTANT | | ---------- | | This Helm chart is community built, maintained, and supported. MinIO does not guarantee support for any given bug, feature request, or update referencing this chart. <br/><br/> MinIO publishes a separate [MinIO Kubernetes Operator and Tenant Helm Chart](https://github.com/minio/operator/tree/master/helm) that is officially maintained and supported. MinIO strongly recommends using the MinIO Kubernetes Operator for production deployments. See [Deploy...

application data workloads. | IMPORTANT | | ---------- | | This Helm chart is community built, maintained, and supported. MinIO does not guarantee support for any given bug, feature request, or update referencing this chart. <br/><br/> MinIO publishes a separate [MinIO Kubernetes Operator and Tenant Helm Chart](https://github.com/minio/operator/tree/master/helm) that is officially maintained and supported. MinIO strongly recommends using the MinIO Kubernetes Operator for production deployments. See [Deploy...

application data workloads. | IMPORTANT | | ---------- | | This Helm chart is community built, maintained, and supported. MinIO does not guarantee support for any given bug, feature request, or update referencing this chart. <br/><br/> MinIO publishes a separate [MinIO Kubernetes Operator and Tenant Helm Chart](https://github.com/minio/operator/tree/master/helm) that is officially maintained and supported. MinIO strongly recommends using the MinIO Kubernetes Operator for production deployments. See [Deploy...

- Kube-apiserver: multiple comma-separated protocols in a single X-Stream-Protocol-Version header are now recognized, in addition to multiple headers, complying with RFC2616 ([#89857](https://github.com/kubernetes/kubernetes/pull/89857), [@tedyu](https://github.com/tedyu)) [SIG API Machinery]...

- kubectl: Added alpha support for customizing kubectl behavior using preferences from a `kuberc` file, separate from `kubeconfig`. ([#125230](https://github.com/kubernetes/kubernetes/pull/125230), [@ardaguclu](https://github.com/ardaguclu)) [SIG API Machinery, CLI and Testing]