* Strategic Merge Patch

    * Reference docs now display the patch type and patch merge key used by `kubectl apply` to merge and identify unique elements in arrays.

      * `kubectl edit` and `kubectl apply` will keep the ordering of elements in merged lists ([#45980](https://github.com/kubernetes/kubernetes/pull/45980), [@mengqiy](https://github.com/mengqiy))

- Kubernetes api-server now merges selectors built from matchLabelKeys into the labelSelector of topologySpreadConstraints, 

## Changelog since v1.22.7

## Changes by Kind

### API Change

    - A new option cloudConfigType has been added to the cloud-config file. Supported values are: `file`, `secret` and `merge` (`merge` is the default value).
    - To allow Azure cloud provider to read secrets, the [RBAC rules](https://github.com/kubernetes/kubernetes/pull/78242) should be configured.

#### CLI

## Changelog since v1.23.4

## Changes by Kind

### API Change

## Changelog since v1.21.10

## Changes by Kind

### API Change

- Switch scheduler to generate the merge patch on pod status instead of the full pod ([#103133](https://github.com/kubernetes/kubernetes/pull/103133), [@marwanad](https://github.com/marwanad)) [SIG Scheduling]

     ([#73977](https://github.com/kubernetes/kubernetes/pull/73977), [@khenidak](https://github.com/khenidak))
- Add scheduling support for RuntimeClasses. RuntimeClasses can now specify nodeSelector constraints & tolerations, which are merged into the PodSpec for pods using that RuntimeClass. ([#80825](https://github.com/kubernetes/kubernetes/pull/80825), [@tallclair](https://github.com/tallclair))

- Fixes a regression in v1beta1 PodDisruptionBudget handling of `strategic merge patch`-type API requests for the `selector` field. Prior to 1.21, these requests would merge `matchLabels` content and replace `matchExpressions` content. In 1.21, patch requests touching the `selector` field started replacing the entire selector. This is consistent with server-side apply and...

- `MergeDefaultEvictionSettings` indicates that defaults for the evictionHard, evictionSoft, evictionSoftGracePeriod, and evictionMinimumReclaim fields should be merged into values specified for those fields in this configuration. Signals specified in this configuration take precedence. Signals not specified in this configuration inherit their defaults. ([#127577](https://github.com/kubernetes/kubernetes/pull/127577),...