* The `kube-cloud-controller-manager` flag `--service-account-private-key-file` has been removed. Use `--use-service-account-credentials` instead. ([#60875](https://github.com/kubernetes/kubernetes/pull/60875), ...

* The ability to use the insecure HTTP port of kube-controller-manager and cloud-controller-manager has been deprecated, and will be removed in a future release. Use `--secure-port` and `--bind-address` instead. ([#59582](https://github.com/kubernetes/kubernetes/pull/59582), [@sttts](https://github.com/sttts))

## Changelog since v1.14.5

### Other notable changes

* update to use go 1.12.6 ([#78958](https://github.com/kubernetes/kubernetes/pull/78958), [@tao12345666333](https://github.com/tao12345666333))
* update to use go 1.12.7 ([#79966](https://github.com/kubernetes/kubernetes/pull/79966), [@tao12345666333](https://github.com/tao12345666333))

### **Cluster Lifecycle**

#### **API Server**

  * `daemonset-lookup-cache-size`

  Don't use these flags. Using deprecated flags causes the server to print a warning. Using a removed flag causes the server to abort the startup.

* The following deprecated flags were removed from `kubelet`:

  * `api-servers` - add apiserver addresses to the kubeconfig file instead.

    - All resources under `apps/v1beta1` and `apps/v1beta2` - use `apps/v1` instead
    - `daemonsets`, `deployments`, `replicasets` resources under `extensions/v1beta1` - use `apps/v1` instead
    - `networkpolicies` resources under `extensions/v1beta1` - use `networking.k8s.io/v1` instead
    - `podsecuritypolicies` resources under `extensions/v1beta1` - use `policy/v1beta1` instead

- **[beta]** [Taints and tolerations](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/). This feature allows...

* Fixes an issue where Portworx volumes cannot be mounted if 9001 port is already in use on the host and users remap 9001 to another port. ([#70392](https://github.com/kubernetes/kubernetes/pull/70392), [@harsh-px](https://github.com/harsh-px))

- Updated distroless iptables to use released image `registry.k8s.io/build-image/distroless-iptables:v0.2.2`
  - Updated setcap to use released image `registry.k8s.io/build-image/setcap:bullseye-v1.4.2` ([#116509](https://github.com/kubernetes/kubernetes/pull/116509), [@cpanato](https://github.com/cpanato)) [SIG Testing]

### Client libraries
* Swagger 1.2 spec (`/swaggerapi/*`) is deprecated. Please use OpenAPI instead.

### DaemonSet
* DaemonSet’s spec.templateGeneration has been deprecated.  ([#45924](https://github.com/kubernetes/kubernetes/pull/45924), [@janetkuo](https://github.com/janetkuo))

### kube-proxy