> ```
>
> These are now deprecated, if you plan to upgrade to any releases after _RELEASE.2020-04-10T03-34-42Z_ make sure
> to migrate to only using _connection_string_ option. To migrate, once you have upgraded all the servers use the
> following command to update the existing notification targets.
>
> ```

			return ioutilx.ReadFile(fn)
		}
	case madmin.ProfilerCPUIO:
		// at 10k or more goroutines fgprof is likely to become
		// unable to maintain its sampling rate and to significantly
		// degrade the performance of your application
		// https://github.com/felixge/fgprof#fgprof
		if n := runtime.NumGoroutine(); n > 10000 && !globalIsCICD {
			return nil, fmt.Errorf("unable to perform CPU IO profile with %d goroutines", n)

- Kibana has been upgraded to v6.6.1. ([#71251](https://github.com/kubernetes/kubernetes/pull/71251))
- CAdvisor has been updated to v0.33.1 ([#75140](https://github.com/kubernetes/kubernetes/pull/75140))
- fluentd-gcp-scaler is unchanged at v0.5.0 since Kubernetes 1.13 ([#68837](https://github.com/kubernetes/kubernetes/pull/68837))

- Added dynamic shared informers to write generic, non-generated controllers ([#69308](https://github.com/kubernetes/kubernetes/pull/69308), [@p0lyn0mial](https://github.com/p0lyn0mial))
- Upgraded to etcd 3.3 client ([#69322](https://github.com/kubernetes/kubernetes/pull/69322), [@jpbetz](https://github.com/jpbetz))

	_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
	if err != nil {
		t.Fatal(err)
	}
	// for a 16 disk setup, EC is 4, but will be upgraded up to 8.
	// Remove 4 disks.
	erasureDisks := xl.getDisks()
	z.serverPools[0].erasureDisksMu.Lock()
	xl.getDisks = func() []StorageAPI {
		for i := range erasureDisks[:4] {

- Kibana has been upgraded to v6.6.1. ([#71251](https://github.com/kubernetes/kubernetes/pull/71251))
- CAdvisor has been updated to v0.33.2. ([#76291](https://github.com/kubernetes/kubernetes/pull/76291))
- Fluentd-gcp-scaler has been upgraded to v0.5.2. ([#76762](https://github.com/kubernetes/kubernetes/pull/76762))

* **Taints**
  * You will need to use `kubectl taint` to re-create all of your taints after kubectl and the master are upgraded to 1.6. Between the time the master is upgraded to 1.6 and when you do this, your existing taints will have no effect.

#### Storage
- A node that uses a CSI raw block volume needs to be drained before kubelet can be upgraded to 1.17. ([#74026](https://github.com/kubernetes/kubernetes/pull/74026), [@mkimuram](https://github.com/mkimuram))

#### Windows
- The Windows containers RunAsUsername feature is now beta.

are hence enabled by default. This will be fixed in a future release.
[#38593](https://github.com/kubernetes/kubernetes/issues/38593)
* Federation control plane can be upgraded by updating the image
fields in the `Deployment` specs of the control plane components.
However, federation control plane upgrades were not tested in this
release [38537](https://github.com/kubernetes/kubernetes/issues/38537)

  - Services that have been set to IPFamilyPolicy = PreferDualstack will be upgraded when the service object is updated. e.g., when a user change a label.
  
  This behavior will change to: