* The `emptyDir.sizeLimit` field is now correctly omitted from API requests and responses when unset. ([#50163](https://github.com/kubernetes/kubernetes/pull/50163), [@jingxu97](https://github.com/jingxu97))

* The `emptyDir.sizeLimit` field is now correctly omitted from API requests and responses when unset. ([#50163](https://github.com/kubernetes/kubernetes/pull/50163), [@jingxu97](https://github.com/jingxu97))

#### kubectl:

- `Service` of type `ExternalName` do not create an `Endpoint` anymore. ([#114814](https://github.com/kubernetes/kubernetes/pull/114814), [@panslava](https://github.com/panslava))
- `cacher`: If `ResourceVersion` is unset, the watch is now served from the underlying storage as documented. ([#115096](https://github.com/kubernetes/kubernetes/pull/115096), [@MadhavJivrajani](https://github.com/MadhavJivrajani))

* The `emptyDir.sizeLimit` field is now correctly omitted from API requests and responses when unset. ([#50163](https://github.com/kubernetes/kubernetes/pull/50163), [@jingxu97](https://github.com/jingxu97))

- Added support for specifying `controlplane` or `cluster` egress selectors in JWT authenticators via the `issuer.egressSelectorType` field in the `AuthenticationConfiguration.jwt` array. If unset, the previous behavior of using no egress selector is preserved. This functionality requires the `StructuredAuthenticationConfigurationEgressSelector` beta feature gate (enabled by default). ([#132768](https://github.com/kubernetes/kubernetes/pull/132768),...

### SIG Network

The main milestones for SIG Network this release are the graduation of IPVS-based load balancing and CoreDNS to general availability.

IPVS is an alternative approach to in-cluster load balancing that uses in-kernel hash tables rather than the previous iptables approach, while CoreDNS is a replacement for kube-dns for service discovery.

### SIG Node

- Added audienceMatchPolicy field to AuthenticationConfiguration and support for configuring multiple audiences.
  The "audienceMatchPolicy" can be empty (or unset) when a single audience is specified in the "audiences" field.

- kubeadm init correctly uses `--node-name` and `--cri-socket` when `--config` option is also used ([#71323](https://github.com/kubernetes/kubernetes/pull/71323), [@bart0sh](https://github.com/bart0sh))
- kubeadm: Always pass spec.nodeName as `--hostname-override` for kube-proxy ([#71283](https://github.com/kubernetes/kubernetes/pull/71283), [@Klaven](https://github.com/Klaven))

* [fluentd-gcp addon] Switch to the image provided by Stackdriver. The Stackdriver Logging Agent container image uses fluentd v0.14.25. ([#59128](https://github.com/kubernetes/kubernetes/pull/59128), [@bmoyles0117](https://github.com/bmoyles0117))

## Non-user-facing Changes