assertThrows(UncheckedExecutionException.class, () -> cache.getUnchecked("bar"));
    assertThat(callCount.get()).isEqualTo(2);
  }

  /**
   * Test-helper method that performs {@code nThreads} concurrent calls to {@code cache.get(key)} or
   * {@code cache.getUnchecked(key)}, and returns a List containing each of the results. The result

    // a different execution path might be taken. Thus modifications to the cache applied during
    // the second request might not be visible until another request is performed.
    assertThat(get(server.url("/")).body.string()).isEqualTo("ABCABCABC")
    assertThat(get(server.url("/")).body.string()).isEqualTo("ABCABCABC")
    assertThat(get(server.url("/")).body.string()).isEqualTo("ABCABCABC")

- **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.

### 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))

      </match>
    </magic>
  </mime-type>
  <mime-type type="application/vnd.xfdl">
    <glob pattern="*.xfdl"/>
  </mime-type>
  <mime-type type="application/vnd.xfdl.webform"/>
  <mime-type type="application/vnd.xmi+xml"/>
  <mime-type type="application/vnd.xmpie.cpkg"/>
  <mime-type type="application/vnd.xmpie.dpkg"/>
  <mime-type type="application/vnd.xmpie.plan"/>