- Report kube-scheduler unhealthy if leader election is deadlocked. ([#71085](https://github.com/kubernetes/kubernetes/pull/71085), [@bsalamat](https://github.com/bsalamat))
- Fixed a potential bug that scheduler preempts unnecessary pods. ([#70898](https://github.com/kubernetes/kubernetes/pull/70898), [@Huang-Wei](https://github.com/Huang-Wei))

### SIG Storage

- Fixed a 1.27 scheduling regression that PostFilter plugin may not function if previous PreFilter plugins return Skip ([#119943](https://github.com/kubernetes/kubernetes/pull/119943), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG Scheduling and Testing]

- A new extension point `PostFilter` is introduced to scheduler framework which runs after Filter phase to resolve scheduling filter failures. A typical implementation is running preemption logic. ([#91314](https://github.com/kubernetes/kubernetes/pull/91314), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG Scheduling and Testing]

 - The `CSIMigrationVSphereComplete` feature flag is removed. `InTreePluginvSphereUnregister` will be the way moving forward. ([#101272](https://github.com/kubernetes/kubernetes/pull/101272), [@Jiawei0227](https://github.com/Jiawei0227))...

- Fixed a scheduler racing issue to ensure low priority pods are unschedulable on the node(s) where high priority pods have `NominatedNodeName` set to the node(s).  ([#77990](https://github.com/kubernetes/kubernetes/pull/77990), [@Huang-Wei](https://github.com/Huang-Wei))

### Storage

- Fix incorrect calculation for ResourceQuota with PriorityClass as its scope. ([#117826](https://github.com/kubernetes/kubernetes/pull/117826), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG API Machinery]
- Fix: the volume is not detached after the pod and PVC objects are deleted ([#117340](https://github.com/kubernetes/kubernetes/pull/117340), [@cvvz](https://github.com/cvvz)) [SIG Storage]

- Fix a bug that a preemptor pod may exist as a phantom in the scheduler. ([#102498](https://github.com/kubernetes/kubernetes/pull/102498), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG Scheduling]
- Fix errors when accessing Windows container stats for Dockershim ([#98510](https://github.com/kubernetes/kubernetes/pull/98510), [@jsturtevant](https://github.com/jsturtevant)) [SIG Node and Windows]

- Fix incorrect calculation for ResourceQuota with PriorityClass as its scope. ([#117891](https://github.com/kubernetes/kubernetes/pull/117891), [@Huang-Wei](https://github.com/Huang-Wei)) [SIG API Machinery]
- Fix: the volume is not detached after the pod and PVC objects are deleted ([#117358](https://github.com/kubernetes/kubernetes/pull/117358), [@cvvz](https://github.com/cvvz)) [SIG Storage]

- Fix race condition in kube-proxy initialization that could blackhole UDP traffic to service VIP. ([#126689](https://github.com/kubernetes/kubernetes/pull/126689), [@wedaly](https://github.com/wedaly)) [SIG...

- The `--leader-elect*` CLI args are now honored in scheduler. ([#105915](https://github.com/kubernetes/kubernetes/pull/105915), [@Huang-Wei](https://github.com/Huang-Wei))
- The `--leader-elect*` CLI args are now honored in the scheduler. ([#105712](https://github.com/kubernetes/kubernetes/pull/105712), [@Huang-Wei](https://github.com/Huang-Wei))