* etcd2: watching from 0 returns all initial states as ADDED events ([#38079](https://github.com/kubernetes/kubernetes/pull/38079), [@hongchaodeng](https://github.com/hongchaodeng))

### Other notable changes

PID Limits features are now generally available on both `SupportNodePidsLimit` (node-to-pod PID isolation) and `SupportPodPidsLimit` (ability to limit PIDs per pod), after being enabled-by-default in beta stage for a year.

### API Priority and Fairness graduates to Beta

### Bug or Regression

- Fix missing delete events on informer re-lists to ensure all delete events are correctly emitted and using the latest known object state, so that all event handlers and stores always reflect the actual apiserver state as best as possible ([#115899](https://github.com/kubernetes/kubernetes/pull/115899), [@odinuge](https://github.com/odinuge)) [SIG API Machinery]

</p>

<pre>
OuterLoop:
	for i = 0; i &lt; n; i++ {
		for j = 0; j &lt; m; j++ {
			switch a[i][j] {
			case nil:
				state = Error
				break OuterLoop
			case item:
				state = Found
				break OuterLoop
			}
		}
	}
</pre>

<h3 id="Continue_statements">Continue statements</h3>

<p>

- Adding a set of debugging endpoints under prefix "/debug/flowcontrol/*" for dumping internal states of flow-control system with different granularity. ([#90967](https://github.com/kubernetes/kubernetes/pull/90967), [@yue9944882](https://github.com/yue9944882)) [SIG API Machinery]