- Fix concurrent map access causing panics when logging timed-out API calls. (#106113, @marseel) [SIG API Machinery]
- Fixed very rare volume corruption when a pod is deleted while kubelet is offline.

- In a HA env, during the period a standby scheduler lost connection to API server, if a Pod is deleted and recreated, and the standby scheduler becomes master afterwards, there could be a scheduler cache corruption. This PR fixes this issue. ([#91126](https://github.com/kubernetes/kubernetes/pull/91126), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG Scheduling]

- Mount-utils: treat syscall.ENODEV as corrupted mount ([#126174](https://github.com/kubernetes/kubernetes/pull/126174), [@dobsonj](https://github.com/dobsonj)) [SIG Storage]

		t.Fatalf("Test %s: Failed to fetch the copied object: <ERROR> %s", instanceType, err)
	}
	r.Close()
	if !bytes.Equal(buf.Bytes(), bytesData[0].byteData) {
		t.Fatalf("Test %s: returned data is not expected corruption detected:", instanceType)
	}

	globalCompressConfigMu.Lock()
	compressEnabled := globalCompressConfig.Enabled
	globalCompressConfigMu.Unlock()
	if compressEnabled && !r.ObjInfo.IsCompressed() {

- Updated `kubeadm` to use the `InitialCorruptCheck=true` etcd feature gate instead of the deprecated `--experimental-initial-corrupt-check` flag. Also replaced the use of `--experimental-watch-progress-notify-interval` with its graduated counterpart `--watch-progress-notify-interval`. ([#132838](https://github.com/kubernetes/kubernetes/pull/132838), [@AwesomePatrol](https://gi...

- Fix: not tagging static public IP ([#101752](https://github.com/kubernetes/kubernetes/pull/101752), [@nilo19](https://github.com/nilo19)) [SIG Cloud Provider]
- Fix: set "host is down" as corrupted mount ([#101398](https://github.com/kubernetes/kubernetes/pull/101398), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider and Storage]

* Addon manager supports HA masters. ([#55782](https://github.com/kubernetes/kubernetes/pull/55782), [@x13n](https://github.com/x13n))
* Fixed 'Schedulercache is corrupted' error in kube-scheduler ([#55262](https://github.com/kubernetes/kubernetes/pull/55262), [@liggitt](https://github.com/liggitt))

- Fix: azure file mount timeout issue ([#88610](https://github.com/kubernetes/kubernetes/pull/88610), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider and Storage]
- Fix: corrupted mount point in csi driver ([#88569](https://github.com/kubernetes/kubernetes/pull/88569), [@andyzhangx](https://github.com/andyzhangx)) [SIG Storage]

## Changelog since v1.8.2

### Other notable changes

* Fixed 'Schedulercache is corrupted' error in kube-scheduler ([#55262](https://github.com/kubernetes/kubernetes/pull/55262), [@liggitt](https://github.com/liggitt))

*   Fixed 'Schedulercache is corrupted' error in kube-scheduler ([#55262](https://github.com/kubernetes/kubernetes/pull/55262),[ @liggitt](https://github.com/liggitt))