- DynamicFakeClient now exposes its tracker via a `Tracker()` function ([#100085](https://github.com/kubernetes/kubernetes/pull/100085), [@markusthoemmes](https://github.com/markusthoemmes)) [SIG API Machinery]

 Extended resources cannot be overcommitted, so make sure that request and limit are equal
 if both are present in a container spec.

 - The default Bootstrap Token created with `kubeadm init` v1.8 expires
 and is deleted after 24 hours by default to limit the exposure of the
 valuable credential. You can create a new Bootstrap Token with
 `kubeadm token create` or make the default token permanently valid by specifying

### SIG Instrumentation

* Added prometheus cluster monitoring addon to kube-up. ([#62195](https://github.com/kubernetes/kubernetes/pull/62195), [@serathius](https://github.com/serathius))
* Kubelet now exposes a new endpoint, `/metrics/probes`, which exposes a Prometheus metric containing the liveness and/or readiness probe results for a container. ([#61369](https://github.com/kubernetes/kubernetes/pull/61369), [@rramkumar1](https://github.com/rramkumar1))

// https://www.iana.org/domains/root/db/expert.html
expert

// exposed : Binky Moon, LLC
// https://www.iana.org/domains/root/db/exposed.html
exposed

// express : Binky Moon, LLC
// https://www.iana.org/domains/root/db/express.html
express

// extraspace : Extra Space Storage LLC
// https://www.iana.org/domains/root/db/extraspace.html
extraspace

// fage : Fage International S.A.

- Exposes and sets a default timeout for the SubjectAccessReview client for DelegatingAuthorizationOptions ([#95725](https://github.com/kubernetes/kubernetes/pull/95725), [@p0lyn0mial](https://github.com/p0lyn0mial)) [SIG API Machinery and Cloud Provider]

* kubeadm: add optional self-hosted deployment for apiserver, controller-manager and scheduler. ([#40075](https://github.com/kubernetes/kubernetes/pull/40075), [@pires](https://github.com/pires))
* kubelet tears down pod volumes on pod termination rather than pod deletion ([#37228](https://github.com/kubernetes/kubernetes/pull/37228), [@sjenning](https://github.com/sjenning))

* The Metrics Server now exposes metrics via the /metric endpoint. These metrics are in the prometheus format.  ([#57456](https://github.com/kubernetes/kubernetes/pull/57456), [@kawych](https://github.com/kawych))

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
<!--
  Description: This xml file defines the valid mime types used by Tika.

  ([#81210](https://github.com/kubernetes/kubernetes/pull/81210), [@figo](https://github.com/figo))
- kubelet now exports an `kubelet_evictions` metric that counts the number of pod evictions carried out by the kubelet to reclaim resources ([#81377](https://github.com/kubernetes/kubernetes/pull/81377), [@sjenning](https://github.com/sjenning))

- Added a mechanism that calculates a digest of etcd and the watch cache every 5 minutes and exposes it as the `apiserver_storage_digest` metric. ([#130475](https://github.com/kubernetes/kubernetes/pull/130475), [@serathius](https://github.com/serathius)) [SIG API Machinery, Instrumentation and Testing]