## Changes by Kind

### Feature

- Kubernetes is now built with go 1.21.9
  - update debian-base/set-cap to bookworm-v1.0.2 ([#124198](https://github.com/kubernetes/kubernetes/pull/124198), [@cpanato](https://github.com/cpanato)) [SIG API Machinery, Architecture, Release and Testing]

### Bug or Regression

message PodDNSConfig {
  // A list of DNS name server IP addresses.
  // This will be appended to the base nameservers generated from DNSPolicy.
  // Duplicated nameservers will be removed.
  // +optional
  repeated string nameservers = 1;

  // A list of DNS search domains for host-name lookup.
  // This will be appended to the base search paths generated from DNSPolicy.
  // Duplicated search paths will be removed.
  // +optional

`objectSelector` to admission webhook configurations. `objectSelector` is evaluated the oldObject and newObject that would be sent to the webhook, and is considered to match if either object matches the selector. A null object (oldObject in the case of create, or newObject in the case of delete) or an object that cannot have labels (like a DeploymentRollback or a PodProxyOptions object) is not considered to match. Use the object selector only if the webhook is opt-in, because end users may skip the admission webhook...

## Changelog since v1.8.14

### Action Required

* ACTION REQUIRED: Kubernetes JSON deserializer is now case-sensitive to restore compatibility with pre-1.8 servers. If your config files contains fields with wrong case, the config files will be now invalid. ([#65410](https://github.com/kubernetes/kubernetes/pull/65410), [@nikhita](https://github.com/nikhita))

### Other notable changes

### Other (Cleanup or Flake)

- Build: Update Debian base images
  - debian-base:v2.1.3
  - debian-iptables:v12.1.2
  - debian-hyperkube-base:v1.1.3 ([#93924](https://github.com/kubernetes/kubernetes/pull/93924), [@justaugustus](https://github.com/justaugustus)) [SIG API Machinery, Cluster Lifecycle and Release]

* Bump up version number of debian-base, debian-hyperkube-base and debian-iptables.  ([#67026](https://github.com/kubernetes/kubernetes/pull/67026), [@satyasm](https://github.com/satyasm))
    * Also updates dependencies of users of debian-base.
    * debian-base version 0.3.1 is already available.

* ✏️ Fix typo in `fastapi/routing.py` . PR [#10520](https://github.com/tiangolo/fastapi/pull/10520) by [@sepsh](https://github.com/sepsh).
* 📝 Replace HTTP code returned in case of existing user error in docs for testing. PR [#4482](https://github.com/tiangolo/fastapi/pull/4482) by [@TristanMarion](https://github.com/TristanMarion).

apiserver to same-host redirects.  If nodes are configured to respond to CRI streaming requests on a different host interface than what the apiserver makes requests on (only the case if not using the built-in dockershim & setting the kubelet flag `--redirect-container-streaming=true`), then these requests will be broken. In that case, the feature can be temporarily disabled until the node configuration is corrected. We suggest setting `--redirect-container-streaming=false` on the kubelet to avoid issue...

* Update kube-proxy image to be based off of Debian 8.6 base image. ([#39695](https://github.com/kubernetes/kubernetes/pull/39695), [@ixdy](https://github.com/ixdy))
* Update amd64 kube-proxy base image to debian-iptables-amd64:v5 ([#39725](https://github.com/kubernetes/kubernetes/pull/39725), [@ixdy](https://github.com/ixdy))

### Other (Cleanup or Flake)

- Build: Update Debian base images
  - debian-base:v2.1.3
  - debian-iptables:v12.1.2
  - debian-hyperkube-base:v1.1.3 ([#93754](https://github.com/kubernetes/kubernetes/pull/93754), [@justaugustus](https://github.com/justaugustus)) [SIG API Machinery, Cluster Lifecycle, Release and Testing]