- Forbid to set matchLabelKeys when labelSelector is not set in topologySpreadConstraints ([#116535](https://github.com/kubernetes/kubernetes/pull/116535), [@denkensk](https://github.com/denkensk))
- GCE does not support LoadBalancer Services with ports with different protocols (TCP and UDP) ([#115966](https://github.com/kubernetes/kubernetes/pull/115966), [@aojea](https://github.com/aojea)) [SIG Apps and Cloud Provider]

      service = "app"
      rule = "PathPrefix(`/api/v1`)"
      middlewares = ["api-stripprefix"]

  [http.services]

    [http.services.app]
      [http.services.app.loadBalancer]
        [[http.services.app.loadBalancer.servers]]
          url = "http://127.0.0.1:8000"
```

這個檔案把 Traefik 設定為使用 `/api/v1` 的路徑前綴。

然後 Traefik 會把它的請求轉發到在 `http://127.0.0.1:8000` 上運行的 Uvicorn。

現在啟動 Traefik：

      service = "app"
      rule = "PathPrefix(`/api/v1`)"
      middlewares = ["api-stripprefix"]

  [http.services]

    [http.services.app]
      [http.services.app.loadBalancer]
        [[http.services.app.loadBalancer.servers]]
          url = "http://127.0.0.1:8000"
```

이 파일은 Traefik이 경로 접두사 `/api/v1`을 사용하도록 설정합니다.

그리고 Traefik은 요청을 `http://127.0.0.1:8000`에서 실행 중인 Uvicorn으로 전달합니다.

* azure: add PrimaryAvailabilitySet to config, only use nodes in that set in the loadbalancer pool ([#34526](https://github.com/kubernetes/kubernetes/pull/34526), [@colemickens](https://github.com/colemickens))

      service = "app"
      rule = "PathPrefix(`/api/v1`)"
      middlewares = ["api-stripprefix"]

  [http.services]

    [http.services.app]
      [http.services.app.loadBalancer]
        [[http.services.app.loadBalancer.servers]]
          url = "http://127.0.0.1:8000"
```

このファイルは Traefik に `/api/v1` のパスプレフィックスを使うよう設定します。

そして Traefik は、`http://127.0.0.1:8000` で動作している Uvicorn へリクエストを転送します。

      service = "app"
      rule = "PathPrefix(`/api/v1`)"
      middlewares = ["api-stripprefix"]

  [http.services]

    [http.services.app]
      [http.services.app.loadBalancer]
        [[http.services.app.loadBalancer.servers]]
          url = "http://127.0.0.1:8000"
```

这个文件配置 Traefik 使用路径前缀 `/api/v1`。

随后 Traefik 会把请求转发到运行在 `http://127.0.0.1:8000` 的 Uvicorn。

现在启动 Traefik：

* Ensure Azure load balancer cleaned up on 404 or 403 when deleting LoadBalancer services. ([#75256](https://github.com/kubernetes/kubernetes/pull/75256), [@feiskyer](https://github.com/feiskyer))

* Fix panic in ControllerManager on GCE when it has a problem with creating external loadbalancer healthcheck ([#52646](https://github.com/kubernetes/kubernetes/pull/52646), [@gmarek](https://github.com/gmarek))

### Other notable changes

* Extend TLS timeouts to work around slow arm64 math/big ([#66264](https://github.com/kubernetes/kubernetes/pull/66264), [@joejulian](https://github.com/joejulian))
* GCE: Fixes loadbalancer creation and deletion issues appearing in 1.10.5. ([#66400](https://github.com/kubernetes/kubernetes/pull/66400), [@nicksardo](https://github.com/nicksardo))

* Bug fix. Incoming UDP packets not reach newly deployed services ([#32561](https://github.com/kubernetes/kubernetes/pull/32561), [@zreigz](https://github.com/zreigz))
* Services of type loadbalancer consume both loadbalancer and nodeport quota. ([#39364](https://github.com/kubernetes/kubernetes/pull/39364), [@zhouhaibing089](https://github.com/zhouhaibing089))

### StatefulSet