- kubeadm: The writable config file option for extra volumes is renamed to readOnly with a reversed meaning. With readOnly defaulted to false (as in pod specs). ([#70495](https://github.com/kubernetes/kubernetes/pull/70495), [@rosti](https://github.com/rosti))

- The `CloudDualStackNodeIPs` feature is now `beta`, meaning that when using
  an external cloud provider that has been updated to support the feature,
  you can pass comma-separated dual-stack `--node-ips` to `kubelet` and have

- Fix scoring for `NodeResourcesMostAllocated` and `NodeResourcesBalancedAllocation` plugins when nodes have containers with no requests. This was leaving to under-utilization of small nodes. ([#102925](https://github.com/kubernetes/kubernetes/pull/102925), [@alculquicondor](https://github.com/alculquicondor))

## 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))

- Server Side Apply now treats LabelSelector fields as atomic (meaning the entire selector is managed by a single writer and updated together), since they contain interrelated and inseparable fields that do not merge in intuitive ways. ([#93901](https://github.com/kubernetes/kubernetes/pull/93901), [@jpbetz](https:/...

## Changes by Kind

### Deprecation

- Added support to the kube-proxy nodePortAddresses / --nodeport-addresses option to
  accept the value "primary", meaning to only listen for NodePort connections
  on the node's primary IPv4 and/or IPv6 address (according to the Node object).
  This is strongly recommended, if you were not previously using

  * Fix iSCSI iSER mounting. ([#47281](https://github.com/kubernetes/kubernetes/pull/47281), [@mtanino](https://github.com/mtanino))

  * iscsi storage plugin: Fix dangling session when using multiple target portal addresses. ([#46239](https://github.com/kubernetes/kubernetes/pull/46239), [@mtanino](https://github.com/mtanino))

* iSCSI volume plugin: iSCSI initiatorname support ([#48789](https://github.com/kubernetes/kubernetes/pull/48789), [@mtanino](https://github.com/mtanino))
* On AttachDetachController node status update, do not retry when node doesn't exist but keep the node entry in cache. ([#50806](https://github.com/kubernetes/kubernetes/pull/50806), [@verult](https://github.com/verult))

* Block volumes Support: FC plugin update ([#51493](https://github.com/kubernetes/kubernetes/pull/51493), [@mtanino](https://github.com/mtanino))