support developers with tooling built on top of `kubectl exec`. The addition of the `kubectl debug` [command](https://github.com/kubernetes/enhancements/blob/master/keps/sig-cli/1441-kubectl-debug/README.md) (it is alpha but your feedback is more than welcome), allows developers to easily debug their Pods inside the cluster. We think this addition is invaluable.  This command allows one to create a temporary container which runs next to the Pod one is trying to examine, but also attaches to the console...

annotation for interrupting the StatefulSet Pod management is now ignored. StatefulSets with this annotation set to `true` or with no value will behave just as they did in previous versions. Dormant StatefulSets with the annotation set to `false` will become active after upgrading.

* The CronJob object is now enabled by default at `v1beta1`. CronJob `v2alpha1` is still available, but it must be explicitly enabled. We recommend that you move any current CronJob objects to `batch/v1beta1.CronJob`....

- Etcd: Update to version 3.5.10 ([#121805](https://github.com/kubernetes/kubernetes/pull/121805), [@mzaian](https://github.com/mzaian)) [SIG API Machinery, Cloud Provider, Cluster Lifecycle, Etcd and Testing]
- Fix: Mount point may become local without calling NodePublishVolume after node rebooting. ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz)) [SIG Node and Storage]

- Etcd: Update to version 3.5.10 ([#121804](https://github.com/kubernetes/kubernetes/pull/121804), [@mzaian](https://github.com/mzaian)) [SIG API Machinery, Cloud Provider, Cluster Lifecycle, Etcd and Testing]
- Fix: Mount point may become local without calling NodePublishVolume after node rebooting. ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz)) [SIG Node and Storage]

- Fix an issue where kubectl apply could panic when imported as a library ([#122559](https://github.com/kubernetes/kubernetes/pull/122559), [@Jefftree](https://github.com/Jefftree)) [SIG CLI]
- Fix: Mount point may become local without calling NodePublishVolume after node rebooting. ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz)) [SIG Node and Storage]

and  `kubectl create clusterrole`  invocations must be updated to specify multiple resource names as repeated  `--resource-name` arguments instead of comma-separated arguments to a single `--resource-name` argument. E.g. `--resource-name=x,y` must become `--resource-name x --resource-name y` ([#44950](https://github.com/kubernetes/kubernetes/pull/44950), [@xilabao](https://github.com/xilabao))

* `kubectl create rolebinding` and `kubectl create clusterrolebinding` invocations must be updated...

- Etcd: Update to version 3.5.10 ([#121803](https://github.com/kubernetes/kubernetes/pull/121803), [@mzaian](https://github.com/mzaian)) [SIG API Machinery, Cloud Provider, Cluster Lifecycle, Etcd and Testing]
- Fix: Mount point may become local without calling NodePublishVolume after node rebooting. ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz)) [SIG Node and Storage]

   ([#122846](https://github.com/kubernetes/kubernetes/pull/122846), [@marosset](https://github.com/marosset))
- Fixed an issue where mount points could become local without calling `NodePublishVolume` after node rebooting.
   ([#119923](https://github.com/kubernetes/kubernetes/pull/119923), [@cvvz](https://github.com/cvvz))

plane](https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/high-availability/). An entire new test suite has been created specifically for ensuring these features will stay stable over time.

Certificate management has become more robust in 1.15, with kubeadm now seamlessly rotating all your certificates (on upgrades) before they expire. Check the [kubeadm documentation](https://github.com/kubernetes/website/blob/dev-1.15/content/en/docs/reference/setup-tools/kubeadm/kubeadm-alpha.md)...

- Kubeadm: deprecate self-hosting support. The experimental command "kubeadm alpha self-hosting" is now deprecated and will...