It may affect some metrics values related to the `NodeAffinity` Filter plugin. ([#114125](https://github.com/kubernetes/kubernetes/pull/114125), [@sanposhiho](https://github.com/sanposhiho))
- Scheduler now skips `InterPodAffinity` Filter plugin when `InterPodAffinity` Filter plugin has nothing to do with a Pod.

  It will affect some metrics values related to the InterPodAffinity Score plugin. ([#117794](https://github.com/kubernetes/kubernetes/pull/117794), [@utam0k](https://github.com/utam0k)) [SIG Scheduling]
- The scheduler skips the `PodTopologySpread` Filter plugin if no spread constraints.

	   before.
	2. In Namespaces that previously did not have the "DefaultDeny"
	   annotation, you should delete any existing NetworkPolicy
	   objects. These would have had no effect before, but with v1
	   semantics they might cause some traffic to be blocked that you
	   didn't intend to be blocked.

### Other notable changes

- Graduated pod scheduling gates to general availability.
  The `PodSchedulingReadiness` feature gate no longer has any effect, and the
  `.spec.schedulingGates` field is always available within the Pod and PodTemplate APIs. ([#123575](https://github.com/kubernetes/kubernetes/pull/123575), [@Huang-Wei](https://github.com/Huang-Wei))

## Changelog since v1.26.2

## Changes by Kind

### API Change

- Volumes: `resource.claims` gets cleared for PVC specs during create or update of a pod spec with inline PVC template or of a PVC because it has no effect. ([#115928](https://github.com/kubernetes/kubernetes/pull/115928), [@pohly](https://github.com/pohly)) [SIG API Machinery, Apps and Storage]

### Feature

- `--sync-frequency` will not affect the update interval of volumes that use `ConfigMaps`
  or `Secrets` when the `configMapAndSecretChangeDetectionStrategy` is set to `Cache`.