* kube-scheduler: Use default predicates/prioritizers if they are unspecified in the policy config. ([#59363](https://github.com/kubernetes/kubernetes/pull/59363), [@yguo0905](https://github.com/yguo0905))

- The deprecated feature gates `RotateKubeletClientCertificate`, `AttachVolumeLimit`, `VolumePVCDataSource` and `EvenPodsSpread` are now unconditionally enabled and can no longer be specified in component invocations. ([#97306](https://github.com/kubernetes/kubernetes/pull/97306),...

*   Added --dry-run option to kubectl drain. ([#52440](https://github.com/kubernetes/kubernetes/pull/52440),[ @juanvallejo](https://github.com/juanvallejo))
*   Kubectl now outputs <none> for columns specified by -o custom-columns but not found in object, rather than "xxx is not found" ([#51750](https://github.com/kubernetes/kubernetes/pull/51750),[ @jianhuiz](https://github.com/jianhuiz))

- Upgrade Stackdriver Logging Agent addon image to 0.6-1.6.0-1 to use...

- Fixed an issue to not drain all the pods in a namespace when an empty-selector i.e. "{}" is specified in a Pod Disruption Budget (PDB) ([#121132](https://github.com/kubernetes/kubernetes/pull/121132), [@sairameshv](https://github.com/sairameshv)) [SIG Apps]

- Kubelet: a configuration file specified via `--config` is now loaded with strict deserialization, which fails if the config...

#### New API fields:

- Fixed issue where there was no response or error from kubectl rollout status when there were no resources of specified kind. ([#117884](https://github.com/kubernetes/kubernetes/pull/117884),...

* Fix issue that vSphere cloud provider cannot delete volume which is provisioned in datastore specified in storageclass ([#65550](https://github.com/kubernetes/kubernetes/pull/65550), [@w-leads](https://github.com/w-leads))

The external provider includes all of the above with the additional fixes and features:
- Fix bug to prevent allocation of existing floating IP.
- Fix Cinder authentication bug when OS_DOMAIN_NAME not specified.
- Fix Keystone authentication errors by skipping synchronization for unscoped tokens.
- Fix authentication error for client-auth-plugin
- Fix dependency references from in-tree-provider to point to external provider.