- Text logging in Kubernetes components now uses [textlogger](https://pkg.go.dev/k8s.io/klog/v2@v2.120.0/textlogger). The same split streams of info and error log entries with buffering of info entries is now also supported for text output (off by default, alpha feature). Previously, this was only supported for JSON. Performance is better also without split streams. ([#114672](https://github.com/kubernetes/kubernetes/pull/114672),...

        System.gc();
        long current = MemoryUtil.getUsedMemory();
        for (int i = 0; i < 10000; i++) {
            if (i % 1000 == 0) {
                logger.info("count:" + i + ", " + MemoryUtil.getMemoryUsageLog());
            }
            ResponseData responseData = new ResponseData();
            responseData.setCharSet("UTF-8");

  - `alpha` support (guarded by the `ServiceAccountTokenPodNodeInfo` feature gate) for including the node name (and uid, if the node exists) as additional claims in service account tokens it issues which are bound to pods, and `authentication.kubernetes.io/node-name` and `authentication.kubernetes.io/node-uid` extra user info when the token is used to authenticate.

- Update to Ingress-GCE v1.6.1 ([#84018](https://github.com/kubernetes/kubernetes/pull/84018), [@rramkumar1](https://github.com/rramkumar1))
- Kubeadm: enhance certs check-expiration to show the expiration info of related CAs ([#83932](https://github.com/kubernetes/kubernetes/pull/83932), [@SataQiu](https://github.com/SataQiu))

- Fix clusterdump info namespaces flag not working ([#91890](https://github.com/kubernetes/kubernetes/pull/91890), [@zhouya0](https://github.com/zhouya0)) [SIG CLI]

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* Use arm32v7|arm64v8 images instead of the deprecated armhf|aarch64 image organizations ([#50602](https://github.com/kubernetes/kubernetes/pull/50602), [@dixudx](https://github.com/dixudx))

          <type>String</type>
          <description>
            If true, then the default reports are not included in the site generation.
            This includes the reports in the "Project Info" menu. Note: While the type
            of this field is {@code String} for technical reasons, the semantic type is actually
            {@code Boolean}. Default value is {@code false}.
          </description>

 *  Fix: Don't leak a connection when a call is canceled immediately preceding the `onFailure()`
    callback.


## Version 3.12.1

_2018-12-23_

 *  Fix: Remove overlapping `package-info.java`. This caused issues with some build tools.


## Version 3.12.0

_2018-11-16_

 *  **OkHttp now supports TLS 1.3.** This requires either Conscrypt or Java 11+.

- Now users can get object info like:

  ```bash
    a. kubectl get pod test-pod -o custom-columns=CONTAINER:.spec.containers[0:3].name
    b. kubectl get pod test-pod -o custom-columns=CONTAINER:.spec.containers[-2:].name
  ```