- Prometheus metrics for `crd_autoregister`, `crd_finalizer` and `crd_naming_condition_controller` are exported. ([#71767](https://github.com/kubernetes/kubernetes/pull/71767), [@roycaihw](https://github.com/roycaihw))

      * Added exported env vars to kubectl plugins so that plugin developers have access to global flags, namespace, the plugin descriptor and the full path to the caller binary.

  * Enhancement

* Add metrics exporter to the fluentd-gcp deployment ([#45096](https://github.com/kubernetes/kubernetes/pull/45096), [@crassirostris](https://github.com/crassirostris))
* Fix the bug where StartedAt time is not reported for exited containers. ([#45977](https://github.com/kubernetes/kubernetes/pull/45977), [@yujuhong](https://github.com/yujuhong))

* Kubelet will set extended resource capacity to zero after it restarts. If the extended resource is exported by a device plugin, its capacity will change to a valid value after the device plugin re-connects with the Kubelet. If the extended resource is exported by an external component through direct node status capacity patching, the component should repatch the field after kubelet becomes ready again. During the time gap, pods...

- The members name and typeDescription of the Reflector struct were exported to allow for better user extensibility. ([#127663](https://github.com/kubernetes/kubernetes/pull/127663), [@alexanderstephan](https://github.com/alexanderstephan))

* fix apps DeploymentSpec conversion issue ([#49719](https://github.com/kubernetes/kubernetes/pull/49719), [@dixudx](https://github.com/dixudx))

* The behavior of the default handler for 404 requests fro the GCE Ingress load balancer is slightly modified in the sense that it now exports metrics using prometheus. The metrics exported include:  ([#79106](https://github.com/kubernetes/kubernetes/pull/79106), [@vbannai](https://github.com/vbannai))
    * - http_404_request_total  (the number of 404 requests handled)

- Number of errors reported to the metric `storage_operation_duration_seconds_count` for emptyDir decreased significantly because previously one error was reported for each projected volume created. ([#117022](https://github.com/kubernetes/kubernetes/pull/117022), [@mpatlasov](https://github.com/mpatlasov)) [SIG Storage]

src/cmd/go.mod. When a package outside std or cmd is imported
by a package inside std or cmd, the import path is interpreted
as if it had a "vendor/" prefix. For example, within "crypto/tls",
an import of "golang.org/x/crypto/cryptobyte" resolves to
"vendor/golang.org/x/crypto/cryptobyte". When a package with the
same path is imported from a package outside std or cmd, it will

* New [WebSocketException (and docs)](https://fastapi.tiangolo.com/advanced/websockets/#using-depends-and-others), re-exported from Starlette.
* Upgraded and relaxed dependencies for package extras `all` (including new Uvicorn version), when you install `"fastapi[all]"`.