- `kube-proxy` now accepts the `ContextualLogging`, `LoggingAlphaOptions`,
  `LoggingBetaOptions` ([#115233](https://github.com/kubernetes/kubernetes/pull/115233), [@pohly](https://github.com/pohly))
- `kube-scheduler`: Optimized implementation of null `labelSelector` in topology spreading. ([#116607](https://github.com/kubernetes/kubernetes/pull/116607), [@alculquicondor](https://github.com/alculquicondor))

- User can now use component config to configure NodeLabel plugin for the scheduler framework. ([#84297](https://github.com/kubernetes/kubernetes/pull/84297), [@liu-cong](https://github.com/liu-cong))
- Optimize inter-pod affinity preferredDuringSchedulingIgnoredDuringExecution type, up to 4x in some cases. ([#84264](https://github.com/kubernetes/kubernetes/pull/84264), [@ahg-g](https://github.com/ahg-g))

### Additional Notable Feature Updates

- [Topology Manager](https://github.com/kubernetes/enhancements/issues/693), a new Kubelet component, aims to co-ordinate resource assignment decisions to provide optimized resource allocations.
- [IPv4/IPv6 dual-stack](https://kubernetes.io/docs/concepts/services-networking/dual-stack) enables the allocation of both IPv4 and IPv6 addresses to Pods and Services.

m/nolancon/website/blob/f4200307260ea3234540ef13ed80de325e1a7267/content/en/docs/tasks/administer-cluster/topology-manager.md) enables NUMA alignment of CPU and devices (such as SR-IOV VFs) that will allow your workload to run in an environment optimized for low-latency. Prior to the introduction of the Topology Manager, the CPU and Device Manager would make resource allocation decisions independent of each other. This could result in undesirable allocations on multi-socket systems, causing degraded...

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    * Disable the metadata agent for monitored resource construction in logging.
    * Disable timestamp adjustment in logs to optimize performance.
    * Reduce logging agent buffer chunk limit to 512k to optimize performance.

    * Disable the metadata agent for monitored resource construction in logging.
    * Disable timestamp adjustment in logs to optimize performance.
    * Reduce logging agent buffer chunk limit to 512k to optimize performance.

* Update FitError as a message component into the PodConditionUpdater. ([#39491](https://github.com/kubernetes/kubernetes/pull/39491), [@jayunit100](https://github.com/jayunit100))
* Fix comment and optimize code ([#38084](https://github.com/kubernetes/kubernetes/pull/38084), [@tanshanshan](https://github.com/tanshanshan))

- Optimized the code by filtering out empty strings for podUID when calling the `getPodAndContainerForDevice` method. ([#126997](https://github.com/kubernetes/kubernetes/pull/126997), [@lengrongfu](https://github.com/lengrongfu))

* Fixes discovery information for scale subresources in the apps API group ([#54683](https://github.com/kubernetes/kubernetes/pull/54683), [@liggitt](https://github.com/liggitt))
* Optimize Repeated registration of AlgorithmProvider when ApplyFeatureGates ([#54047](https://github.com/kubernetes/kubernetes/pull/54047), [@kuramal](https://github.com/kuramal))