- 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.

* 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))

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