- The default spec.revisionHistoryLimit for all applicable kinds in the
 apps/v1beta2 group version is 10.

 - In a CronJob object, the default spec.successfulJobsHistoryLimit is 3, and
 the default spec.failedJobsHistoryLimit is 1.

### Workloads API (batch)

- CronJob is now at `batch/v1beta1` ([#41039](https://github.com/kubernetes/kubernetes/issues/41039), [@soltysh](https://github.com/soltysh)).

* Set defaults for successfulJobsHistoryLimit (3) and failedJobsHistoryLimit (1) in batch/v1beta1.CronJobs ([#52533](https://github.com/kubernetes/kubernetes/pull/52533), [@soltysh](https://github.com/soltysh))

            "type": "string"
          },
          "failedJobsHistoryLimit": {
            "description": "The number of failed finished jobs to retain. Value must be non-negative integer. Defaults to 1.",
            "format": "int32",
            "type": "integer"
          },