- kubeadm: `kubeadm upgrade plan` now supports `--etcd-upgrade` flag to control whether the etcd upgrade plan should be displayed. Add an `EtcdUpgrade` field into `UpgradeConfiguration.Plan` for v1beta4. ([#130023](https://github.com/kubernetes/kubernetes/pull/130023), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

- Fixed bug in `kubectl rollout history` where only the latest revision was displayed when a specific revision was requested and an output format was specified. ([#111093](https://github.com/kubernetes/kubernetes/pull/111093), [@brianpursley](https://github.com/brianpursley))

- In the `kubectl describe` output, the fields with names containing special characters are now displayed as-is without any pretty formatting, avoiding awkward outputs.  ([#75483](https://github.com/kubernetes/kubernetes/pull/75483), [@gsadhani](https://github.com/gsadhani))

- Fixed a bug where `kubectl describe` incorrectly displayed NetworkPolicy port ranges
  (showing only the starting port). ([#123316](https://github.com/kubernetes/kubernetes/pull/123316), [@jcaamano](https://github.com/jcaamano))

- Because of the implementation logic of `time.Format` in golang, the displayed time zone is not consistent. ([#102366](https://github.com/kubernetes/kubernetes/pull/102366), [@cndoit18](https://github.com/cndoit18))

  
  To allow cgroups v1 with `kubeadm` and `kubelet` version `v1.35` or newer, you must:
  - Ignore the error from the SystemVerification preflight check by `kubeadm`.

- Prevent error message from being displayed when running kubectl plugin list and your path includes an empty string ([#87633](https://github.com/kubernetes/kubernetes/pull/87633), [@brianpursley](https://github.com/brianpursley)) [SIG CLI]

*   Support for GetMountRefs function added; warning messages no longer displayed. ([#54670](https://github.com/kubernetes/kubernetes/pull/54670), [#52401](https://github.com/kubernetes/kubernetes/pull/52401),[ @andyzhangx](https://github.com/andyzhangx))

- Fixed validation for Job with `suspend=true`, and `completions=0` to set the Complete condition. ([#132614](https://github.com/kubernetes/kubernetes/pull/132614), [@mimowo](https://github.com/mimowo)) [SIG Apps and Testing]
- HPA status displayed memory metrics using Ki. ([#132351](https://github.com/kubernetes/kubernetes/pull/132351), [@googs1025](https://github.com/googs1025)) [SIG Apps and Autoscaling]

- Upgraded metrics server to `v0.7.0`.
   ([#123504](https://github.com/kubernetes/kubernetes/pull/123504), [@pacoxu](https://github.com/pacoxu))
- `kubeadm completion` error message now displayed supported shell types when an invalid shell was specified.
   ([#122477](https://github.com/kubernetes/kubernetes/pull/122477), [@SataQiu](https://github.com/SataQiu))