[@liggitt](https://github.com/liggitt))

* Default enabled admission plugins are now `NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota`. Please note that if you previously had not set the `--admission-control` flag, your cluster behavior may change (to be more standard). ([#58684](https://github.com/kubernetes/kubernetes/pull/58684), [@hzxuzhonghu](https:...

ection` admission plugin is enabled by default, so  the default enabled admission plugins are now `NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota,StorageObjectInUseProtection`. Please note that if you previously had not set the `--admission-control` flag, your cluster behavior may change (to be more standard). ([#74610](https://github.com/kubernetes/kubernetes/pull/74610),...

*   A new `ValidatingAdmissionWebhook` is added (replacing `GenericAdmissionWebhook`) and is available in the generic API server. You must update your API server configuration file to pass the webhook to the `--admission-control` flag. ([#55988](https://github.com/kubernete...

- Adds two kubemark flags, `--max-pods` and `--extended-resources`. ([#100267](https://github.com/kubernetes/kubernetes/pull/100267), [@Jeffwan](https://github.com/Jeffwan))
- An audit log entry will be generated when a `ValidatingAdmissionWebhook` is failing to open. ([#92739](https://github.com/kubernetes/kubernetes/pull/92739), [@cnphil](https://github.com/cnphil))
- Base images: Updated to
  - debian-base:buster-v1.6.0