#### Performance Improvements

- [`KT-38101`](https://youtrack.jetbrains.com/issue/KT-38101) Exponential analysis of += calls

#### Fixes

- [`KT-64187`](https://youtrack.jetbrains.com/issue/KT-64187) K2: False positive ABSTRACT_NOT_IMPLEMENTED caused by the fact that common code sees platform code of its dependencies

## Changelog since v1.6.4

### Other notable changes

* Fix iSCSI iSER mounting. ([#47281](https://github.com/kubernetes/kubernetes/pull/47281), [@mtanino](https://github.com/mtanino))
* Added exponential backoff to Azure cloudprovider ([#46660](https://github.com/kubernetes/kubernetes/pull/46660), [@jackfrancis](https://github.com/jackfrancis))

* kubeadm: Modifications to cluster-internal resources installed by kubeadm will be overwritten when upgrading from v1.6 to v1.7. ([#47081](https://github.com/kubernetes/kubernetes/pull/47081), [@luxas](https://github.com/luxas))
* Added exponential backoff to Azure cloudprovider ([#46660](https://github.com/kubernetes/kubernetes/pull/46660), [@jackfrancis](https://github.com/jackfrancis))

		res, err := cc.RoundTrip(req)
		if err != nil && retry <= 6 {
			roundTripErr := err
			if req, err = http2shouldRetryRequest(req, err); err == nil {
				// After the first retry, do exponential backoff with 10% jitter.
				if retry == 0 {
					t.vlogf("RoundTrip retrying after failure: %v", roundTripErr)
					continue
				}
				backoff := float64(uint(1) << (uint(retry) - 1))