- Drop additional rule requirement (cronjobs/finalizers) in the roles who use kubectl create cronjobs to be backwards compatible ([#124883](https://github.com/kubernetes/kubernetes/pull/124883), [@ardaguclu](https://github.com/ardaguclu)) [SIG CLI]
- Fix a bug that Pods could stuck in the unschedulable pod pool 

as they did in previous versions. Dormant StatefulSets with the annotation set to `false` will become active after upgrading.

* The CronJob object is now enabled by default at `v1beta1`. CronJob `v2alpha1` is still available, but it must be explicitly enabled. We recommend that you move any current CronJob objects to `batch/v1beta1.CronJob`. Be aware that if you specify the deprecated version, you may encounter Resource Not Found errors. These errors occur because the new controllers...

    - [Dockershim deprecation](#dockershim-deprecation)
    - [External credential provider for client-go](#external-credential-provider-for-client-go)
    - [CronJob controller v2 is available through feature gate](#cronjob-controller-v2-is-available-through-feature-gate)
    - [PID Limits graduates to General Availability](#pid-limits-graduates-to-general-availability)

- Added new annotation `batch.kubernetes.io/cronjob-scheduled-timestamp` to Job objects scheduled from CronJobs. ([#118137](https://github.com/kubernetes/kubernetes/pull/118137), [@helayoty](https://github.com/helayoty))

    - [Authentication](#authentication)
    - [Authorization](#authorization)
    - [Autoscaling](#autoscaling-1)
    - [Certificates](#certificates)
    - [ConfigMap](#configmap)
    - [CronJob](#cronjob)
    - [DaemonSet](#daemonset-1)
    - [Deployment](#deployment-2)
    - [Node](#node)
    - [Pod](#pod)
    - [Pod Security Policy](#pod-security-policy)
    - [RBAC](#rbac-2)

- Fixes calculating the requeue time in the cronjob controller, which results in properly handling failed/stuck jobs ([#121327](https://github.com/kubernetes/kubernetes/pull/121327), [@soltysh](https://github.com/soltysh)) [SIG Apps]

### CLI

* Use structured generator for kubectl autoscale.  ([#55913](https://github.com/kubernetes/kubernetes/pull/55913), [@wackxu](https://github.com/wackxu))

* Allow kubectl to set image|env on a cronjob ([#57742](https://github.com/kubernetes/kubernetes/pull/57742), [@soltysh](https://github.com/soltysh))

## Changelog since v1.14.6

### Other notable changes

* When the number of jobs exceeds 500, cronjob should schedule without error. ([#77475](https://github.com/kubernetes/kubernetes/pull/77475), [@liucimin](https://github.com/liucimin))

- Adds two new metrics to cronjobs, a histogram to track the time difference when a job is created and the expected time when it should be created, as well as a gauge for the missed schedules of a cronjob ([#99341](https://github.com/kubernetes/kubernetes/pull/99341), [@alaypatel07](https://github.com/alaypatel07))

- Fixes calculating the requeue time in the cronjob controller, which results in properly handling failed/stuck jobs ([#121540](https://github.com/kubernetes/kubernetes/pull/121540), [@soltysh](https://github.com/soltysh)) [SIG Apps]