- Fixed a regression in default 1.29 configurations with the `SidecarContainers` feature enabled, where init containers may fail to start due to a temporary container runtime failure. ([#126543](https://github.com/kubernetes/kubernetes/pull/126543),...

 - 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]

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

- Added validation to reject Pods using the `PodLevelResources` feature on Windows OS due to lack of support. The API server rejected Pods with pod-level resources and a `Pod.spec.os.name` targeting Windows. Kubelet on nodes running Windows also rejected Pods with pod-level resources at the admission phase. ([#133046](https://github.com...

- github.com/go-toolsmith/pkgload: v1.0.0
- github.com/go-toolsmith/strparse: v1.0.0
- github.com/go-toolsmith/typep: v1.0.0
- github.com/gobwas/glob: v0.2.3
- github.com/golangci/check: cfe4005
- github.com/golangci/dupl: 3e9179a
- github.com/golangci/errcheck: ef45e06
- github.com/golangci/go-misc: 927a3d8
- github.com/golangci/go-tools: e32c541
- github.com/golangci/goconst: 041c5f2
- github.com/golangci/gocyclo: 2becd97

* 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))

* 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))

### Bug or Regression

## **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))