- Kubernetes is now built with Go 1.20.9 ([#121023](https://github.com/kubernetes/kubernetes/pull/121023), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

      * Replace `LossScaleOptimizer(opt, "dynamic")` with `LossScaleOptimizer(opt)`. If you pass anything other than `"dynamic"` to the second argument, see (1) of the next section.
    * In the following rare cases, you need to make more changes when switching to the non-experimental API:

    - `kubectl create clusterrolebinding anonymous-discovery --clusterr...

- **Network**
  - [stable] Services can reference another service by DNS name, rather than being hosted in pods ([kubernetes/features#33](https://github.com/kubernetes/enhancements/issues/33))
  - [beta] Opt in source ip preservation for Services with Type NodePort or LoadBalancer ([docs](http://kubernetes.io/docs/tutorials/services/source-ip/)) ([kubernetes/features#27](https://github.com/kubernetes/enhancements/issues/27))

","scrollboxSizeBuggy","left","margin","padding","border","prefix","suffix","expand","expanded","parts","propHooks","run","percent","eased","duration","pos","step","fx","scrollTop","scrollLeft","linear","p","swing","cos","PI","fxNow","inProgress","opt","rfxtypes","rrun","schedule","hidden","requestAnimationFrame","interval","tick","createFxNow","genFx","includeWidth","createTween","animation","Animation","tweeners","properties","stopped","prefilters","currentTime","startTime","tweens","opts","sp...

	`networking.k8s.io/v1` API group. The structure remains unchanged from
	the beta1 API.
	The `net.beta.kubernetes.io/network-policy` annotation on Namespaces
	to opt in to isolation has been removed. Instead, isolation is now
	determined at a per-pod level, with pods being isolated if there is
	any NetworkPolicy whose spec.podSelector targets them. Pods that are

","scrollboxSizeBuggy","left","margin","padding","border","prefix","suffix","expand","expanded","parts","propHooks","run","percent","eased","duration","pos","step","fx","scrollTop","scrollLeft","linear","p","swing","cos","PI","fxNow","inProgress","opt","rfxtypes","rrun","schedule","hidden","requestAnimationFrame","interval","tick","createFxNow","genFx","includeWidth","createTween","animation","Animation","tweeners","properties","stopped","prefilters","currentTime","startTime","tweens","opts","sp...

   ([#123331](https://github.com/kubernetes/kubernetes/pull/123331), [@aojea](https://github.com/aojea))

### API Change

- Added `omitempty` and `opt` tag to the API `v1beta2` AdminAccess type in the `DeviceRequestAllocationResult` struct. ([#132338](https://github.com/kubernetes/kubernetes/pull/132338), [@PatrickLaabs](https://github.com/PatrickLaabs))

### Bug or Regression