- Applications that fetch metrics from kube-scheduler should use a dedicated service account which is allowed to access nonResourceURLs `/metrics`. ([#96345](https://github.com/kubernetes/kubernetes/pull/96345), [@ingvagabund](https://github.com/ingvagabund)) [SIG Cloud Provider, Scheduling and Testing]

### Storage capacity tracking

- Kube-apiserver: the `metadata.selfLink` field can no longer be populated by kube-apiserver; it was deprecated in 1.16 and has not been populated by default since 1.20+. ([#107527](https://github.com/kubernetes/kubernetes/pull/107527), [@wojtek-t](https:...

  * You do not need to adjust this flag on Kubelet:  there was no authorization for the Kubelet APIs in 1.4.
* batch/v2alpha1.ScheduledJob has been renamed, use batch/v2alpha1.CronJob instead ([#36021](https://github.com/kubernetes/kubernetes/pull/36021), [@soltysh](https://github.com/soltysh))
* PetSet has been renamed to StatefulSet.
  If you have existing PetSets, **you must perform extra migration steps** both

- The v1alpha1 PodPreset API and admission plugin has been removed with no built-in replacement. Admission webhooks can be used to modify pods on creation. ([#94090](https://github.com/kubernetes/kubernetes/pull/94090), [@deads2k](https://github.com/deads2k)) [SIG API Machinery, Apps, CLI, Cloud Provider, Scalability and Testing]


### API Change

 - The intree volume plugin quobyte support has been completely removed from Kubernetes. ([#111619](https://github.com/kubernetes/kubernetes/pull/111619), [@Jiawei0227](https://github.com/Jiawei0227))

- es-image has been updated to Elasticsearch 6.7.2. ([#77765](https://github.com/kubernetes/kubernetes/pull/77765))
- metrics-server has been updated to v0.3.3. ([#77950](https://github.com/kubernetes/kubernetes/pull/77950))
- ip-masq-agent has been updated to v2.4.1. ([#77844](https://github.com/kubernetes/kubernetes/pull/77844))
- addon-manager has been updated to v9.0.1 ([#77282](https://github.com/kubernetes/kubernetes/pull/77282))

  - type: textarea
    id: tests
    attributes:
      label: Which tests are failing?
    validations:
      required: true

  - type: textarea
    id: since
    attributes:
      label: Since when has it been failing?
    validations:
      required: true

  - type: input
    id: testgrid
    attributes:
      label: Testgrid link

  - type: textarea
    id: reason
    attributes:

   1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
      and distribution as defined by Sections 1 through 9 of this document.

      "Licensor" shall mean the copyright owner or entity authorized by
      the copyright owner that is granting the License.

      "Legal Entity" shall mean the union of the acting entity and all

   ([#120246](https://github.com/kubernetes/kubernetes/pull/120246), [@pacoxu](https://github.com/pacoxu))