* The apiserver now uses addresses reported by the kubelet in the Node object's status for apiserver->kubelet communications, rather than the name of the Node object. The address type used defaults to `InternalIP`, `ExternalIP`, and `LegacyHostIP` address types, in that order. ([#33718](https://github.com/kubernetes/kubernetes/pull/33718), [@justinsb](https://github.com/justinsb))...

API

* **Replication controller & Replicaset**: the DELETE request of a replication controller or a replicaset becomes asynchronous by default. The object will continue to exist in the key-value store for some time. The API server will set its metadata.deletionTimestamp, add the "orphan" finalizer to its metadata.finalizers. The object will be deleted from the key-value store after the garbage collector orphans its dependents. Please refer to this [user-guide](http://kubernetes.io/docs/us...

- Added to `MutableFeatureGate` the ability to override the default setting of feature gates, to allow default-enabling...