* Fix issue in Portworx volume driver causing controller manager to crash ([#76341](https://github.com/kubernetes/kubernetes/pull/76341), [@harsh-px](https://github.com/harsh-px))
* fix azure disk list corruption issue ([#77187](https://github.com/kubernetes/kubernetes/pull/77187), [@andyzhangx](https://github.com/andyzhangx))

		userType = svcUser
	} else if cred.IsTemp() {
		userType = stsUser
	}
	ui := newUserIdentity(cred)
	// Overwrite the user identity here. As store should be
	// atomic, it shouldn't cause any corruption.
	if err := store.saveUserIdentity(ctx, cred.AccessKey, userType, ui); err != nil {
		return err
	}

	return cache.updateUserWithClaims(cred.AccessKey, ui)
}

- 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.

- 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...

* Azure: Allow VNet to be in a separate Resource Group. ([#49725](https://github.com/kubernetes/kubernetes/pull/49725), [@sylr](https://github.com/sylr))
* In GCE, add measures to prevent corruption of known_tokens.csv. ([#49897](https://github.com/kubernetes/kubernetes/pull/49897), [@mikedanese](https://github.com/mikedanese))

* 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))

## 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))