- `client-go` event library allows customizing spam filtering function. 
  It is now possible to override `SpamKeyFunc`, which is used by event filtering to detect spam in the events. ([#103918](https://github.com/kubernetes/kubernetes/pull/103918), [@olagacek](https://github.com/olagacek))

        : new FilteredEntrySetMultimap<K, V>(checkNotNull(unfiltered), entryPredicate);
  }

  /**
   * Support removal operations when filtering a filtered multimap. Since a filtered multimap has
   * iterators that don't support remove, passing one to the FilteredEntryMultimap constructor would

                    resource.getDirectory(),
                    null,
                    resource);

            validateBoolean(
                    prefix,
                    "filtering",
                    problems,
                    errOn30,
                    Version.V20,
                    resource.getFiltering(),
                    resource.getDirectory(),

## Changelog since v1.2.5

### Other notable changes

* Fix watch cache filtering ([#28967](https://github.com/kubernetes/kubernetes/pull/28967), [@liggitt](https://github.com/liggitt))

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrOverlappingFilterNotification: {
		Code:           "InvalidArgument",
		Description:    "An object key name filtering rule defined with overlapping prefixes, overlapping suffixes, or overlapping combinations of prefixes and suffixes for the same event types.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrFilterNameInvalid: {

- Added a new feature gate, `SchedulerQueueingHints` (enabled by default).
  The new feature gate activates a framework for fine-grained filtering of events related to scheduler plugins.

[Sig API Machinery]: https://github.com/kubernetes/community/tree/master/sig-api-machinery

### SIG Apps

- Fixes issue https://github.com/kubernetes-sigs/cloud-provider-azure/issues/4230 and removes the additional filtering on `NotReady` nodes by the azure cloud provider code ([#119128](https://github.com/kubernetes/kubernetes/pull/119128), [@alexanderConstantinescu](https://github.com/alexanderConstantinescu)) [SIG Cloud Provider]

* Attach now supports multiple types ([#40365](https://github.com/kubernetes/kubernetes/pull/40365), [@shiywang](https://github.com/shiywang))
* Create now accepts the label selector flag for filtering objects to create ([#40057](https://github.com/kubernetes/kubernetes/pull/40057), [@MrHohn](https://github.com/MrHohn))

* Add RELEASE_INFRA_PUSH related code to support pushes from kubernetes/release. ([#28922](https://github.com/kubernetes/kubernetes/pull/28922), [@david-mcmahon](https://github.com/david-mcmahon))
* Fix watch cache filtering ([#28966](https://github.com/kubernetes/kubernetes/pull/28966), [@liggitt](https://github.com/liggitt))