See https://git.k8s.io/enhancements/keps#kubernetes-enhancement-proposals-keps
    validations:
      required: true

  - type: textarea
    id: rationale
    attributes:
      label: Why is this needed?
    validations:

- **Apps**
  - [stable] When replica sets cannot create pods, they will now report detail via the API about the underlying reason ([kubernetes/features#120](https://github.com/kubernetes/enhancements/issues/120))

  - [beta] `kube-apiserver` now publishes a swagger 2.0 spec in addition to a swagger 1.2 spec ([kubernetes/features#53](https://github.com/kubernetes/enhancements/issues/53))

Reference KEPs when applicable in addition to specific issues.

Examples:
Fixes #<issue number>
<issue link> (issue in a different repository)
KEP: https://github.com/kubernetes/enhancements/issues/<kep-issue-number>

If there is no associated issue, then write "N/A".
-->

#### Special notes for your reviewer:

#### Does this PR introduce a user-facing change?
<!--

 * comparator utilities, see either {@code Comparator} itself (for Java 8+), or {@code
 * com.google.common.collect.Ordering} (otherwise).
 *
 * <h3>Relationship to {@code Ordering}</h3>
 *
 * <p>In light of the significant enhancements to {@code Comparator} in Java 8, the overwhelming
 * majority of usages of {@code Ordering} can be written using only built-in JDK APIs. This class is

 * <ul>
 * <li>Retrieves crawled documents from the data service</li>
 * <li>Transforms document data using appropriate transformers</li>
 * <li>Applies document boosting rules and click/favorite count enhancements</li>
 * <li>Sends processed documents to the search engine for indexing</li>
 * <li>Manages cleanup of processed crawler session data</li>
 * </ul>
 *

kubernetes/enhancements: [#121](https://github.com/kubernetes/enhancements/issues/121#issuecomment-457396290) [[kep](https://github.com/kubernetes/enhancements/blob/master/keps/sig-storage/121-local-persistent-volumes/README.md)]

Pid Limiting is Graduating to Beta ([#757](https://github.com/kubernetes/enhancements/issues/757))

- Prevents a pod from starving pid resource

These changes are reflected in the following Kubernetes enhancements:

This release also includes [Topology Aware Volume Scheduling](https://github.com/kubernetes/enhancements/issues/490) for local persistent volumes, the stable release of [Detailed storage metrics of internal state](https://github.com/kubernetes/enhancements/issues/496), and beta support for [Out-of-tree CSI Volume Plugins](https://github.com/kubernetes/enhancements/issues/178).

* [alpha] Add the Hardware Device Plugins API. ([#368](https://github.com/kubernetes/enhancements/issues/368), [[@jiayingz](https://github.com/jiayingz)], [[@RenaudWasTaken](https://github.com/RenaudWasTaken)])

* [stable] Upgrade cAdvisor to v0.27.1 with the enhancement for node monitoring. [[@dashpole](https://github.com/dashpole)]