* Fix a regression that broke the `--config` flag for `kubeadm init`. ([#48915](https://github.com/kubernetes/kubernetes/pull/48915), [@mattmoyer](https://github.com/mattmoyer))

* Flex volume plugin is updated to support attach/detach interfaces. It broke backward compatibility. Please update your drivers and implement the new callouts.  ([#41804](https://github.com/kubernetes/kubernetes/pull/41804), [@chakri-nelluri](https://github.com/chakri-nelluri))

## Notable Features

* Redirect all examples README to the kubernetes/examples repo ([#46362](https://github.com/kubernetes/kubernetes/pull/46362), [@sebgoa](https://github.com/sebgoa))
* Fix a regression that broke the `--config` flag for `kubeadm init`. ([#48915](https://github.com/kubernetes/kubernetes/pull/48915), [@mattmoyer](https://github.com/mattmoyer))

bridgestone

// broadway : Celebrate Broadway, Inc.
// https://www.iana.org/domains/root/db/broadway.html
broadway

// broker : Dog Beach, LLC
// https://www.iana.org/domains/root/db/broker.html
broker

// brother : Brother Industries, Ltd.
// https://www.iana.org/domains/root/db/brother.html
brother

// brussels : DNS.be vzw

  - *apiserver_cache_list_fetched_objects_total*: Counter of objects read from watch cache in the course of serving a LIST request, broken down by resource_prefix and index_name
  - *apiserver_cache_list_evaluated_objects_total*: Counter of objects tested in the course of serving a LIST request from watch cache, broken down by resource_prefix

* Fix `kubectl logs -f` for windows server containers. ([#81747](https://github.com/kubernetes/kubernetes/pull/81747), [@Random-Liu](https://github.com/Random-Liu))
* Fix VMSS LoadBalancer backend pools so that the network won't be broken when instances are upgraded to latest model ([#81411](https://github.com/kubernetes/kubernetes/pull/81411), [@nilo19](https://github.com/nilo19))

- HTTP/2 connection health check is enabled by default in all Kubernetes clients to fix persistently broken connections (https://github.com/kubernetes/client-go/issues/374). If needed, users can tune the feature via the HTTP2_READ_IDLE_TIMEOUT_SECONDS and HTTP2_PING_TIMEOUT_SECONDS environment variables. The feature is disabled if HTTP2_READ_IDLE_TIMEOUT_SECONDS...

### 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.

* Fixed bug allowing garbage collector to enter a broken state that could only be fixed by restarting the controller-manager. ([#61201](https://github.com/kubernetes/kubernetes/pull/61201), [@jennybuckley](https://github.com/jennybuckley))

   ([#113329](https://github.com/kubernetes/kubernetes/pull/113329), [@RomanBednar](https://github.com/RomanBednar))
- '`registered_metric_total` will now report the number of metrics broken down by
  stability level and deprecated version.'
   ([#112907](https://github.com/kubernetes/kubernetes/pull/112907), [@logicalhan](https://github.com/logicalhan))