* 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))
* Use SCP to dump logs and parallelize a bit. ([#22835](https://github.com/kubernetes/kubernetes/pull/22835), [@spxtr](https://github.com/spxtr))

      client
        .newCall(request)
        .execute()

    response.use {
      assertEquals(200, response.code)
      assertEquals(Protocol.HTTP_2, response.protocol)
    }

    // Only logs to the test logger above
    // Will fail if "adb shell setprop log.tag.okhttp.Http2 DEBUG" is called
    assertEquals(setOf(OkHttpTest::class.java.name), testHandler.calls.keys)
  }

  fun testCachedRequest() {

    }

    /**
     * Deletes documents using the specified query builder and refreshes the index.
     * This method first refreshes the index, then performs the deletion, and logs the result.
     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param index the index name to delete documents from
     * @param queryBuilder the query to match documents for deletion

* Kubelet: Add image cache. ([#38375](https://github.com/kubernetes/kubernetes/pull/38375), [@Random-Liu](https://github.com/Random-Liu))
* Collect logs for dead kubelets too ([#37671](https://github.com/kubernetes/kubernetes/pull/37671), [@mtaufen](https://github.com/mtaufen))



# v1.4.7

* **[beta]** Node Problem Detector is beta (v0.3.0) now. New
  features added into node-problem-detector:v0.3.0:
  - Add support for journald.
  - The ability to monitor any system daemon logs. Previously only kernel
    logs were supported.
  - The ability to be deployed and run as a native daemon.
* **[alpha]** Critical Pods: When feature gate "ExperimentalCriticalPodAnnotation" is

    public static final String MAVEN_LOGGER_WARN_LEVEL = MAVEN_LOGGER_PREFIX + "warnLevelString";

    /**
     * If the output target is set to "System.out" or "System.err" (see preceding entry), by default, logs will
     * be output to the latest value referenced by System.out/err variables. By setting this parameter to true,
     * the output stream will be cached, i.e. assigned once at initialization time and re-used independently of

- Kube-apiserver: removed `apf_fd` from server logs which could contain data identifying the requesting user ([#108631](https://github.com/kubernetes/kubernetes/pull/108631), [@jupblb](https://github.com/jupblb))

* remove iSCSI volume storage cleartext secrets in logs ([#81215](https://github.com/kubernetes/kubernetes/pull/81215), [@zouyee](https://github.com/zouyee))

    client.networkInterceptors().add(loggingInterceptor);
    ```

    **Warning:** Avoid `Level.HEADERS` and `Level.BODY` in production because
    they could leak passwords and other authentication credentials to insecure
    logs.

 *  **WebSocket API now uses `RequestBody` and `ResponseBody` for messages.**
    This is a backwards-incompatible API change.

 *  **The DNS service is now pluggable.** In some situations this may be useful

* Add Simplified Chinese translation for kubectl ([#45573](https://github.com/kubernetes/kubernetes/pull/45573), [@shiywang](https://github.com/shiywang))

### **kubectl (CLI)**
* Features

  * `kubectl logs` supports specifying a container name when using label selectors ([#44282](https://github.com/kubernetes/kubernetes/pull/44282), [@derekwaynecarr](https://github.com/derekwaynecarr))