* kube-scheduler now fallbacks to emitting events using core/v1 Events when events.k8s.io/v1beta1 is disabled. ([#83692](https://github.com/kubernetes/kubernetes/pull/83692), [@yastij](https://github.com/yastij))

- `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))
- `client-go`, using log level 9, traces the following events of a HTTP request:
      - DNS lookup
      - TCP dialing

	* Add redirect support to SpdyRoundTripper ([#44451](https://github.com/kubernetes/kubernetes/pull/44451), [@ncdc](https://github.com/ncdc))

	* Duplicate recurring Events now include the latest event's Message string ([#46034](https://github.com/kubernetes/kubernetes/pull/46034), [@kensimon](https://github.com/kensimon))

* Bug fixes:

`audit.k8s.io/v1beta1` and `audit.k8s.io/v1alpha1` audit policy configuration and audit events are deprecated in favor of `audit.k8s.io/v1`, available since v1.13. kube-apiserver invocations that specify alpha or beta policy configurations with `--audit-policy-file`, or explicitly request alpha or beta audit events with `--audit-log-version` / `--audit-webhook-version` must update to use `audit.k8s.io/v1` and accept `audit.k8s.io/v1` events prior to v1.24. ([#98858](https://github.com/kubernetes/kubernetes/pull/98858),...

- Fix a 1.28 regression in scheduler: a pod with concurrent events could incorrectly get moved to the unschedulable queue where it could got stuck until the next periodic purging after 5 minutes if there was no other event for it. ([#120445](https://github.com/kubernetes/kubernetes/pull/120445), [@pohly](https://github.com/pohly)) [SIG Scheduling]

* when pleg channel is full, discard events and record its count ([#72709](https://github.com/kubernetes/kubernetes/pull/72709), [@changyaowei](https://github.com/changyaowei))
* Is ->It in line 6 ([#73898](https://github.com/kubernetes/kubernetes/pull/73898), [@xiezongzhe](https://github.com/xiezongzhe))

### Bug or Regression

- Improved the efficiency of NodeAdded QueueingHint by registering UpdateNodeTaint event for plugins that have NodeAdded event but don't have UpdateNodeTaint event. This ensures better requeuing efficiency and prevents Pods from being stuck in the unschedulable pod pool.
   ([#122292](https://github.com/kubernetes/kubernetes/pull/122292), [@sanposhiho](https://github.com/sanposhiho))

- Fixed a bug where a high churn of events was causing master instability by reducing the maximum number of objects (events) attached to a single etcd lease. ([#100084](https://github.com/kubernetes/kubernetes/pull/100084), [@mborsz](https://github.com/mborsz)) [SIG API Machinery, Instrumentation and Scalability]

* Fix watch to not send the same set of events multiple times causing watcher to go back in time ([#73845](https://github.com/kubernetes/kubernetes/pull/73845), [@wojtek-t](https://github.com/wojtek-t))
* fixes an error processing watch events when running skewed apiservers ([#73482](https://github.com/kubernetes/kubernetes/pull/73482), [@liggitt](https://github.com/liggitt))