- **[beta]** The Docker-CRI implementation is enabled by default in kubelet.
    You can disable it by --enable-cri=false. See
    [notes on the new implementation](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-node/container-runtime-interface.md#kubernetes-v16-release-docker-cri-integration-beta)
    for more details.
  - **[alpha]** Alpha support for other runtimes:

requirements. This allows the CRI runtime developers to verify that their runtime conforms to CRI, without needing to set up Kubernetes components or run Kubernetes end-to-end tests. ([docs](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-node/cri-validation.md) and [release notes](https://github.com/kubernetes-incubator/cri-tools/releases/tag/v0.1)) ([kubernetes/features#292](https://github.com/kubernetes/enhancements/issues/292))

* [alpha] Adds support of container...

- The fallback behavior of the Downward API's `resourceFieldRef` field was updated to account for pod-level resources: if container-level limits were not set, pod-level limits were now used before falling back to node allocatable resources. ([#132605](https://github.com/kubernetes/kubernetes/pull/132605), [@toVersus](https://github.com/toVersus)) [SIG Node, Scheduling and Testing]

  to borrow a number of seats from other priority level(s). As a cluster operator, you can enable borrowing
  for a certain priority level configuration object via the two newly introduced fields `lendablePercent`, and
  `borrowingLimitPercent` located under the `.spec.limited` field of the designated priority level.
  This change added the following metrics:

- Change `pod_preemption_victims` metric from Gauge to Histogram. ([#83603](https://github.com/kubernetes/kubernetes/pull/83603), [@Tabrizian](https://github.com/Tabrizian))
- Following metrics from kubelet are now marked as with the ALPHA stability level:
  `kubelet_container_log_filesystem_used_bytes`

// http://www.gobin.info/domainname/bw.doc
// list of other 2nd level tlds ?
bw
co.bw
org.bw

// by : https://www.iana.org/domains/root/db/by.html
// http://tld.by/rules_2006_en.html
// list of other 2nd level tlds ?
by
gov.by
mil.by
// Official information does not indicate that com.by is a reserved
// second-level domain, but it's being used as one (see www.google.com.by and

- kube-proxy metrics are now marked as with the ALPHA stability level. ([#81626](https://github.com/kubernetes/kubernetes/pull/81626), [@logicalhan](https://github.com/logicalhan))

*   Added pod-level local ephemeral storage metric to the Summary API. Pod-level ephemeral storage reports the total filesystem usage for the containers and emptyDir volumes in the measured Pod. ([#55447](https://github.com/kubernetes/kubernetes/pull/55447),[ @jingxu97](https://github.com/jingxu97))...

- Changed the Pod API to support `hugepage resources` at `spec` level for pod-level resources. ([#130577](https://github.com/kubernetes/kubernetes/pull/130577), [@KevinTMtz](https://github.com/KevinTMtz)) [SIG Apps, CLI, Node, Scheduling, Storage and Testing]

  - HardPodAffinityWeight moved from a top level ComponentConfig parameter to a PluginConfig parameter of InterPodAffinity Plugin in `kubescheduler.config.k8s.io/v1alpha2` ([#88002](https://github.com/kubernetes/kubernetes/pull/88002), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling...