* The resource being updated has a non-nil DeletionGracePeriodSeconds equal to 0
    * With this fix, Custom Resource instances now also support delete-on-update behavior under the same circumstances.
* Fixes an edge case where "kubectl apply view-last-applied" would emit garbage if the data contained Go format codes. ([#45611](https://github.com/kubernetes/kubernetes/pull/45611), [@atombender](https://github.com/atombender))

There is also a new way to run bleeding edge Windows features from scratch by compiling the windows kubelet and kube-proxy, then using them along with daily builds of other Kubernetes components.

### Deploy a more secure control plane with kubeadm