* 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))

	* HostAliases is now parsed with hostAliases json keys to be in line with the feature's name. ([#47512](https://github.com/kubernetes/kubernetes/pull/47512), [@rickypai](https://github.com/rickypai))

- Fixes a 1.30.0 regression in openapi descriptions of imagePullSecrets and hostAliases fields to mark the fields used as keys in those lists as either defaulted or required. ([#124553](https://github.com/kubernetes/kubernetes/pull/124553), [@pmalek](https://github.com/pmalek)) [SIG API Machinery]

- HostNetwork pods no longer depend on the PodIPs to be assigned to configure the defined hostAliases on the Pod ([#126460](https://github.com/kubernetes/kubernetes/pull/126460), [@aojea](https://github.com/aojea)) [SIG Network, Node and Testing]

- Fixed a 1.30.0 regression in OpenAPI descriptions of the `imagePullSecrets` and 
  `hostAliases` fields to mark the fields used as keys in those lists as either defaulted
  or required. ([#124553](https://github.com/kubernetes/kubernetes/pull/124553), [@pmalek](https://github.com/pmalek))