Additionally, since the information returned from the discovery APIs may change dynamically, a cache of the results should not be considered authoritative.
ETag support is planned in a future version to facilitate client caching.
([#47977](https://github.com/kubernetes/kubernetes/pull/47977), [#44957](https://github.com/kubernetes/kubernetes/pull/44957))

* kubeadm: disable the kube-proxy DaemonSet on non-Linux nodes. This step is required to support Windows worker nodes. ([#76327](https://github.com/kubernetes/kubernetes/pull/76327), [@neolit123](https://github.com/neolit123))
* Add etag for NSG updates so as to fix nsg race condition ([#77210](https://github.com/kubernetes/kubernetes/pull/77210), [@feiskyer](https://github.com/feiskyer))

* OpenAPI spec is now available in protobuf binary and gzip format (with ETag support) ([#45836](https://github.com/kubernetes/kubernetes/pull/45836), [@mbohlool](https://github.com/mbohlool))