kubeadm-specific `RootlessControlPlane` feature gate. When you deploy a cluster using this alpha feature, your control plane runs with lower privileges.

A new [v1beta3 configuration API](https://github.com/kubernetes/kubeadm/issues/1796). It [iterates over v1beta2](https://pkg.go.dev/k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta3) by adding some long requested features and deprecating some existing ones. The `V1beta3` is now the preferred API version; the `v1beta2` API also remains available...

*   Introduce ops for batching/unbatching tensors across Session::Run() calls.
*   Add tf.log_sigmoid(x) = tf.log(tf.sigmoid(x)) = -tf.nn.softplus(-x).
*   Changed hooks lists to immutable tuples, and now allow any iterable for the
    associated arguments.
*   Introduce TFDecorator.
*   Added an Mfcc op for speech feature generation.
*   Improved DirectSession::Run() overhead and error checking. Feeding a value