- [Client Binaries](#client-binaries-20)
    - [Server Binaries](#server-binaries-20)
  - [Changelog since v1.6.0-alpha.1](#changelog-since-v160-alpha1)
    - [Other notable changes](#other-notable-changes-23)
- [v1.6.0-alpha.1](#v160-alpha1)
  - [Downloads for v1.6.0-alpha.1](#downloads-for-v160-alpha1)
    - [Client Binaries](#client-binaries-21)
    - [Server Binaries](#server-binaries-21)
  - [Changelog since v1.5.0](#changelog-since-v150)

- Storage capacity tracking (= the CSIStorageCapacity feature) graduates to Beta and enabled by default, storage.k8s.io/v1alpha1/VolumeAttachment and storage.k8s.io/v1alpha1/CSIStorageCapacity objects are deprecated ([#99641](https://github.com/kubernetes/kubernetes/pull/99641), [@pohly](https://github.com/pohly))

- Kubeadm: add a new `output/v1alpha2` API that is identical to the `output/v1alpha1`, but attempts to resolve some internal dependencies with the `kubeadm/v1beta2` API. The `output/v1alpha1` API is now deprecated and will be removed in a future release. ([#105295](https://github.com/kubernetes/kubernetes/pull/105295), [@neolit123](https://github.com/neolit123))...

    - [Node Binaries](#node-binaries-23)
  - [Changelog since v1.17.0-alpha.1](#changelog-since-v1170-alpha1)
    - [Action Required](#action-required-3)
    - [Other notable changes](#other-notable-changes-7)
- [v1.17.0-alpha.1](#v1170-alpha1)
  - [Downloads for v1.17.0-alpha.1](#downloads-for-v1170-alpha1)
    - [Client Binaries](#client-binaries-24)
    - [Server Binaries](#server-binaries-24)

- Kubelet's deprecated endpoint `metrics/resource/v1alpha1` has been removed, please adopt to `metrics/resource`. ([#94272](https://github.com/kubernetes/kubernetes/pull/94272), [@RainbowMango](https://github.com/RainbowMango)) [SIG Instrumentation and Node]

- Added support for CEL expressions to `v1alpha1 AuthorizationConfiguration` webhook `matchConditions`. ([#121223](https://github.com/kubernetes/kubernetes/pull/121223), [@ritazh](https://github.com/ritazh))

- The `NodeConfiguration` kind in the kubeadm v1alpha2 API has been renamed `JoinConfiguration` in v1alpha3 ([#65951](https://github.com/kubernetes/kubernetes/pull/65951), [@luxas](https://github.com/luxas)) Courtesy of SIG Cluster Lifecycle

- Coordination.v1alpha1 API is dropped and replaced with coordination.v1alpha2. Old coordination.v1alpha1 types must be deleted before upgrade ([#127857](https://github.com/kubernetes/kubernetes/pull/127857), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery, Etcd, Scheduling and Testing]

* [action required] kubeadm: The `v1alpha2` config API has been removed. ([#69055](https://github.com/kubernetes/kubernetes/pull/69055), [@fabriziopandini](https://github.com/fabriziopandini))
    * Please convert your `v1alpha2` configuration files to `v1alpha3` using the
    * `kubeadm config migrate` command of kubeadm v1.12.x

### Other notable changes

- Introduced `v1alpha1` API for validating admission policies, enabling extensible admission control via CEL expressions (KEP  3488: CEL for Admission Control). To use, enable the `ValidatingAdmissionPolicy` feature gate and the `admissionregistration.k8s.io/v1alpha1` API via `--runtime-config`. ([#113314](https://github.com/kubernetes/kubernetes/pull/113314), [@cici37](https://github.com/cici37))...