- Allow to monitor client-go DNS resolver latencies via `rest_client_dns_resolution_duration_seconds` Prometheus metric. ([#115357](https://github.com/kubernetes/kubernetes/pull/115357), [@mfojtik](https://github.com/mfojtik))

### Node Components
* Kubelet config should ignore file start with dots.
  ([#39196](https://github.com/kubernetes/kubernetes/pull/39196), [@resouer](https://github.com/resouer))
* Bump GCI to gci-stable-56-9000-84-2.
  ([#41819](https://github.com/kubernetes/kubernetes/pull/41819),
  [@dchen1107](https://github.com/dchen1107))

- Resolves bottleneck in internal API server communication that can cause increased goroutines and degrade API Server performance ([#80465](https://github.com/kubernetes/kubernetes/pull/80465), [@answer1991](https://github.com/answer1991))

- Resolved a performance issue in the node authorizer index maintenance. ([#87693](https://github.com/kubernetes/kubernetes/pull/87693), [@liggitt](https://github.com/liggitt)) [SIG Auth]

*   Problems deleting local static pods have been resolved. ([#48339](https://github.com/kubernetes/kubernetes/pull/48339),[ @dixudx](https://github.com/dixudx))
*   CRI now only calls UpdateContainerResources when cpuset is set. ([#53122](https://github.com/kubernetes/kubernetes/pull/53122),[ @resouer](https://github.com/resouer))

* Resolves bottleneck in internal API server communication that can cause increased goroutines and degrade API Server performance ([#80465](https://github.com/kubernetes/kubernetes/pull/80465), [@answer1991](https://github.com/answer1991))

- Use sync.map to scale ecache better ([#66862](https://github.com/kubernetes/kubernetes/pull/66862), [@resouer](https://github.com/resouer))
- Extender preemption should respect IsInterested() ([#66291](https://github.com/kubernetes/kubernetes/pull/66291), [@resouer](https://github.com/resouer))

- Resolves a regression in 1.19+ with workloads targeting deprecated beta os/arch labels getting stuck in NodeAffinity status on node startup. ([#96810](https://github.com/kubernetes/kubernetes/pull/96810), [@liggitt](https://github.com/liggitt)) [SIG Node]

- Resolve a "concurrent map read and map write" crashing error in the kubelet ([#95111](https://github.com/kubernetes/kubernetes/pull/95111), [@choury](https://github.com/choury)) [SIG Node]

* Add pvc as part of equivalence hash ([#56577](https://github.com/kubernetes/kubernetes/pull/56577), [@resouer](https://github.com/resouer))
* fix azure disk storage account init issue ([#55927](https://github.com/kubernetes/kubernetes/pull/55927), [@andyzhangx](https://github.com/andyzhangx))