- Changed how the API server handles updates to `.spec.defaultBackend` of Ingress objects.

* Deprecate outofdisk-transition-frequency and low-diskspace-threshold-mb flags ([#41941](https://github.com/kubernetes/kubernetes/pull/41941), [@dashpole](https://github.com/dashpole))
* Add OWNERS for sample-apiserver in staging ([#42094](https://github.com/kubernetes/kubernetes/pull/42094), [@sttts](https://github.com/sttts))

* Move CacheComparer to pkg/scheduler/internal/cache/comparer. ([#69317](https://github.com/kubernetes/kubernetes/pull/69317), [@wgliang](https://github.com/wgliang))
* Updating OWNERS list for vSphere Cloud Provider. ([#69187](https://github.com/kubernetes/kubernetes/pull/69187), [@SandeepPissay](https://github.com/SandeepPissay))

- JSON logging format is no longer available by default in non-core Kubernetes Components and require owners to opt in. ([#102869](https://github.com/kubernetes/kubernetes/pull/102869), [@mengjiao-liu](https://github.com/mengjiao-liu)) [SIG API Machinery, Cluster Lifecycle and Instrumentation]

* The OwnerReferencesPermissionEnforcement admission plugin now requires `update` permission on the `finalizers` subresource of the referenced owner in order to set `blockOwnerDeletion` on an owner reference. ([#49133](https://github.com/kubernetes/kubernetes/pull/49133), [@deads2k](https://github.com/deads2k))

- Mount-utils: treat syscall.ENODEV as corrupted mount ([#126174](https://github.com/kubernetes/kubernetes/pull/126174), [@dobsonj](https://github.com/dobsonj)) [SIG Storage]
- StatefulSet autodelete will respect controlling owners on PVC claims as described in https://github.com/kubernetes/enhancements/pull/4375 ([#126580](https://github.com/kubernetes/kubernetes/pull/126580), [@mattcary](https://github.com/mattcary)) [SIG Apps, Storage and Testing]

- StatefulSet autodelete will respect controlling owners on PVC claims as described in https://github.com/kubernetes/enhancements/pull/4375 ([#125389](https://github.com/kubernetes/kubernetes/pull/125389), [@mattcary](https://github.com/mattcary)) [SIG Apps and Testing]

  - A cluster-scoped object with an ownerReference referencing a uid of a namespaced kind is now consistently treated as though that owner is not resolvable, and the child object is ignored by the garbage collector. ([#92743](https://github.com/kubernetes/kubernetes/pull/92743), [@liggitt](h...

- Mount-utils: treat syscall.ENODEV as corrupted mount ([#126174](https://github.com/kubernetes/kubernetes/pull/126174), [@dobsonj](https://github.com/dobsonj)) [SIG Storage]
- StatefulSet autodelete will respect controlling owners on PVC claims as described in https://github.com/kubernetes/enhancements/pull/4375 ([#126581](https://github.com/kubernetes/kubernetes/pull/126581), [@mattcary](https://github.com/mattcary)) [SIG Apps, Storage and Testing]

* Owner references can now be set during creation, even if the user doesn't have deletion power ([#63403](https://github.com/kubernetes/kubernetes/pull/63403), [@deads2k](https://github.com/deads2k))