- kubectl run now generates apps/v1 deployments by default ([#71006](https://github.com/kubernetes/kubernetes/pull/71006), [@liggitt](https://github.com/liggitt))

- Fixed garbage collection of dangling VolumeAttachments for PersistentVolumes migrated to CSI on startup of kube-controller-manager. ([#102176](https://github.com/kubernetes/kubernetes/pull/102176), [@timebertt](https://github.com/timebertt)) [SIG Apps and Storage]

- EnvVarSource api doc bug fixes ([#91194](https://github.com/kubernetes/kubernetes/pull/91194), [@wawa0210](https://github.com/wawa0210)) [SIG Apps]
- Fixed: log timestamps now include trailing zeros to maintain a fixed width ([#91207](https://github.com/kubernetes/kubernetes/pull/91207), [@iamchuckss](https://github.com/iamchuckss)) [SIG Apps and Node]

- JobTrackingWithFinalizers graduates to beta. Feature is enabled by default. (#105687, @alculquicondor) [SIG Apps and Testing]
- Remove NodeLease feature gate that was graduated and locked to stable in 1.17 release. (#105222, @cyclinder) [SIG Apps, Node and Testing]
- TTLAfterFinished is now GA and enabled by default (#105219, @sahilvv) [SIG API Machinery, Apps, Auth and Testing]

- If someone had the ProbeTerminationGracePeriod alpha feature enabled in 1.21, they should update/delete any workloads/pods with probe terminationGracePeriods < 1 before upgrading ([#103245](https://github.com/kubernetes/kubernetes/pull/103245), [@wzshiming](https://github.com/wzshiming)) [SIG Apps and Node]
- Introducing Memory QoS support with cgroups v2 (Alpha)

- Fixed a 1.25.12 regression where kube-controller-manager can crash when StatefulSet with Parallel policy and PVC labels is scaled up. ([#121187](https://github.com/kubernetes/kubernetes/pull/121187), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska)) [SIG Apps]

- Non graceful node shutdown handling. ([#108486](https://github.com/kubernetes/kubernetes/pull/108486), [@sonasingh46](https://github.com/sonasingh46)) [SIG Apps, Node and Storage]

## Deprecations and Removals

- API

  - The following APIs are no longer served by default:

    - All resources under `apps/v1beta1` and `apps/v1beta2` - use `apps/v1` instead
    - `daemonsets`, `deployments`, `replicasets` resources under `extensions/v1beta1` - use `apps/v1` instead
    - `networkpolicies` resources under `extensions/v1beta1` - use `networking.k8s.io/v1` instead

- **Apps**
  - [stable] When replica sets cannot create pods, they will now report detail via the API about the underlying reason ([kubernetes/features#120](https://github.com/kubernetes/enhancements/issues/120))

- Add alpha-level support for the SuccessPolicy in Jobs ([#123412](https://github.com/kubernetes/kubernetes/pull/123412), [@tenzen-y](https://github.com/tenzen-y)) [SIG API Machinery, Apps and Testing]
- Added (alpha) support for the managedBy field on Jobs. Jobs with a custom value of this field - any