* Bump Heapster to v1.6.0-beta.1 ([#67074](https://github.com/kubernetes/kubernetes/pull/67074), [@kawych](https://github.com/kawych))

* Fix mounting of UNIX sockets(and other special files) in subpaths ([#61480](https://github.com/kubernetes/kubernetes/pull/61480), [@gnufied](https://github.com/gnufied))
* Fix GCE etcd scripts to pass in all required parameters for the etcd migration utility to correctly perform HA upgrades and downgrades ([#61957](https://github.com/kubernetes/kubernetes/pull/61957), [@jpbetz](https://github.com/jpbetz))

- The deprecated flag `--lock-object-namespace` and `--lock-object-name` have been removed from kube-scheduler. Please use `--leader-elect-resource-namespace` and `--leader-elect-resource-name` or ComponentConfig instead to configure those parameters. ([#119130](https://github.com/kubernetes/kubernetes/pull/119130), [@SataQiu](https://github.com/SataQiu)) [SIG Scheduling]

  - HardPodAffinityWeight moved from a top level ComponentConfig parameter to a PluginConfig parameter of InterPodAffinity Plugin in `kubescheduler.config.k8s.io/v1alpha2` ([#88002](https://github.com/kubernetes/kubernetes/pull/88002), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling and Testing]

  * Liveness and readiness probes now support more configuration parameters:
periodSeconds, successThreshold, failureThreshold
  * The new ReplicaSet API (Beta) in the Extensions API group is similar to

- Deprecated the `--cloud-provider` and `--cloud-config` CLI parameters in kube-apiserver.
  These parameters will be removed in a future release. ([#120903](https://github.com/kubernetes/kubernetes/pull/120903), [@dims](https://github.com/dims)) [SIG API Machinery]

    ```
    Storage class spec:
    kind: StorageClass
    apiVersion: storage.k8s.io/v1
    metadata:
      name: fastpolicy1
    provisioner: kubernetes.io/vsphere-volume
    parameters:
        diskformat: zeroedthick
        storagePolicyName: vSAN Default Storage Policy
    allowedTopologies:
    - matchLabelExpressions:
      - key: failure-domain.beta.kubernetes.io/zone
        values:

### **Instrumentation**

#### **Audit**

*   Adjust batching audit webhook default parameters: increase queue size, batch size, and initial backoff. Add throttling to the batching audit webhook. Default rate limit is 10 QPS. ([#53417](https://github.com/kubernetes/kubernetes/pull/53417),[ @crassirostris](https://github.com/crassirostris))

* Parameter keys in a StorageClass `parameters` map may not use the `kubernetes.io` or `k8s.io` namespaces. ([#41837](https://github.com/kubernetes/kubernetes/pull/41837), [@liggitt](https://github.com/liggitt))

* DELETE requests can now pass in their DeleteOptions as a query parameter or a body parameter, rather than just as a body parameter. ([#35806](https://github.com/kubernetes/kubernetes/pull/35806), [@bdbauer](https://github.com/bdbauer))