- Fix invalid VMSS updates due to incorrect cache ([#89002](https://github.com/kubernetes/kubernetes/pull/89002), [@ArchangelSDY](https://github.com/ArchangelSDY)) [SIG Cloud Provider]

* Bump ip-masq-agent version to v2.3.0 to fix vulnerabilities ([#77834](https://github.com/kubernetes/kubernetes/pull/77834), [@anfernee](https://github.com/anfernee))
* fix pod stuck issue due to corrupt mnt point in flexvol plugin, call Unmount if PathExists returns any error ([#75234](https://github.com/kubernetes/kubernetes/pull/75234), [@andyzhangx](https://github.com/andyzhangx))

- [`KT-58125`](https://youtrack.jetbrains.com/issue/KT-58125) K2: LL FIR: `KtToFirMapping.getElement` is slow for `KtUserType`s due to on-air resolution of types

#### Fixes

 - Scheduling failures due to no nodes available are now reported as unschedulable under ```schedule_attempts_total``` metric. ([#90989](https://github.com/kubernetes/kubernetes/pull/90989), [@ahg-g](https://github.com/ahg-g)) [SIG Scheduling]

* GCE: provide an option to disable docker's live-restore on COS/ubuntu ([#55260](https://github.com/kubernetes/kubernetes/pull/55260), [@yujuhong](https://github.com/yujuhong))
* Fix kube-proxy hang due to panic when requesting a closed healthcheck. ([#46450](https://github.com/kubernetes/kubernetes/pull/46450), [@MrHohn](https://github.com/MrHohn))

* fix pod stuck issue due to corrupt mnt point in flexvol plugin, call Unmount if PathExists returns any error ([#75234](https://github.com/kubernetes/kubernetes/pull/75234), [@andyzhangx](https://github.com/andyzhangx))

## **Deprecations**

### Cluster provisioning scripts
* cluster/ubuntu: Removed due to [deprecation](https://github.com/kubernetes/kubernetes/tree/master/cluster#cluster-configuration) and lack of maintenance. ([#44344](https://github.com/kubernetes/kubernetes/pull/44344), [@mikedanese](https://github.com/mikedanese))

- Support for proxying a request to a peer kube-apiserver if the local apiserver is not able to serve it due to version skew or in the case the requested api is disabled on the local apiserver ([#117740](https://github.com/kubernetes/kubernetes/pull/117740), [@Richabanker](https://github.com/Richabanker)) [SIG API Machinery, Apps, Auth, Cloud Provider, Network,...

  optional bool ready = 4;

  // RestartCount holds the number of times the container has been restarted.
  // Kubelet makes an effort to always increment the value, but there
  // are cases when the state may be lost due to node restarts and then the value
  // may be reset to 0. The value is never negative.
  optional int32 restartCount = 5;

  // Image is the name of container image that the container is running.

### Other (Cleanup or Flake)