- Scheduler no longer runs the plugin's `Filter` method when its `PreFilter` method returned a Skip status.
  In other words, your `PreFilter`/`Filter` plugin can return a Skip status in `PreFilter` if the plugin does nothing in Filter for that Pod.
  Scheduler skips `NodeAffinity` Filter plugin when `NodeAffinity` Filter plugin has nothing to do with a Pod.

- Fixed a regression since 1.24 in the scheduling framework when overriding MultiPoint plugins (e.g. default plugins).

* Added support to a hierarchy of kubectl plugins (a tree of plugins as children of other plugins). ([#45981](https://github.com/kubernetes/kubernetes/pull/45981), [@fabianofranz](https://github.com/fabianofranz))
    * Added exported env vars to kubectl plugins so that plugin developers have access to global flags, namespace, the plugin descriptor and the full path to the caller binary.

- Scheduler skips NodeAffinity Score plugin when NodeAffinity Score plugin has nothing to do with a Pod.

- Fixed a regression since 1.24 in the scheduling framework when overriding MultiPoint plugins (e.g. default plugins).

- '`kubelet_kubelet_credential_provider_plugin_duration` was renamed to `kubelet_credential_provider_plugin_duration`
  and `kubelet_kubelet_credential_provider_plugin_errors` was renamed to `kubelet_credential_provider_plugin_errors`.'
   ([#113754](https://github.com/kubernetes/kubernetes/pull/113754), [@logicalhan](https://github.com/logicalhan))