- Fix PermissionDenied issue on SMB mount for Windows ([#99550](https://github.com/kubernetes/kubernetes/pull/99550), [@andyzhangx](https://github.com/andyzhangx))
- Fix bug that would let the Horizontal Pod Autoscaler scale down despite at least one metric being unavailable/invalid ([#99514](https://github.com/kubernetes/kubernetes/pull/99514), [@mikkeloscar](https://github.com/mikkeloscar)) [SIG Apps and Autoscaling]

- Don't let aggregated apiservers fail to launch if the external-apiserver-authentication configmap is not found in the cluster. ([#67836](https://github.com/kubernetes/kubernetes/pull/67836), [@sttts](https://github.com/sttts))

* Support configuring the Azure load balancer idle connection timeout for services ([#66045](https://github.com/kubernetes/kubernetes/pull/66045), [@cpuguy83](https://github.com/cpuguy83))
* Let service controller retry creating load balancer when persistUpdate failed due to conflict. ([#68087](https://github.com/kubernetes/kubernetes/pull/68087), [@grayluck](https://github.com/grayluck))

  - warn - perform server-side validation and warn on any invalid fields (but ultimately let the request succeed by dropping any invalid fields from the object). If validation is not available on the server, perform no validation.