- **API Machinery**
  - [alpha] Generate audit logs for every request user performs against secured API server endpoint. ([docs](http://kubernetes.io/docs/admin/audit/)) ([kubernetes/features#22](https://github.com/kubernetes/enhancements/issues/22))

- Scheduler throughput has been improved by ~50% in large clusters (>2000 nodes).

### SIG-service-catalog
- The Originating Identity feature, which lets the broker know which user that performed an action, is now GA.
- [Namespaced Brokers](https://svc-cat.io/docs/namespaced-broker-resources/), which enable operators to install a broker into a namespace instead of the cluster level, reached GA.

</pre>

<p>
If the type of the argument to <code>clear</code> is a
<a href="#Type_parameter_declarations">type parameter</a>,
all types in its type set must be maps or slices, and <code>clear</code>
performs the operation corresponding to the actual type argument.
</p>

<p>
If the map or slice is <code>nil</code>, <code>clear</code> is a no-op.
</p>


<h3 id="Close">Close</h3>

<p>

### Extensibility around core Kubernetes APIs

#### CustomResourceDefinitions Pruning

* Fix a race condition in which kubeadm only waits for the kubelets kubeconfig file when it has performed the TLS bootstrap, but wasn't waiting for certificates to be present in the filesystem ([#72030](https://github.com/kubernetes/kubernetes/pull/72030), [@ereslibre](https://github.com/ereslibre))