-->
```release-note

```

#### Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

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### Feature

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### Other notable changes

* AWS: Fix problems with >2 security groups ([#23340](https://github.com/kubernetes/kubernetes/pull/23340), [@justinsb](https://github.com/justinsb))
* IngressTLS: allow secretName to be blank for SNI routing ([#23500](https://github.com/kubernetes/kubernetes/pull/23500), [@tam7t](https://github.com/tam7t))

 
## Changes by Kind

### Deprecation

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* Create a new Deployment in kube-system for every version. ([#23512](https://github.com/kubernetes/kubernetes/pull/23512), [@Q-Lee](https://github.com/Q-Lee))
* IngressTLS: allow secretName to be blank for SNI routing ([#23500](https://github.com/kubernetes/kubernetes/pull/23500), [@tam7t](https://github.com/tam7t))

## Changes by Kind

### API Change

- **Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.**:
  
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- The metadata.clusterName field is deprecated. This field has always been unwritable and always blank, but its presence is confusing, so we will remove it next release. Out of an abundance of caution, this release we have merely changed the name in the go struct to ensure any accidental client uses are found before complete removal. ([#108717](htt...

### API Change

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  ```
  
  #### Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:
  
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