* Remove deprecated vagrant kube-up.sh. ([#58118](https://github.com/kubernetes/kubernetes/pull/58118),[@roberthbailey](https://github.com/roberthbailey))

* Bump up GLBC version from 0.9.0-beta to 0.9.1 ([#41037](https://github.com/kubernetes/kubernetes/pull/41037), [@bprashanth](https://github.com/bprashanth))
* azure: fix Azure Container Registry integration ([#40142](https://github.com/kubernetes/kubernetes/pull/40142), [@colemickens](https://github.com/colemickens))

* Interaction with container runtimes is now through the CRI interface, enabling easier integration of runtimes with the kubelet. Docker remains the default runtime via Docker-CRI (which moves to beta).
  * **WARNING:** A [known issue](https://github.com/kubernetes/kubernetes/issues/44041)

    large-scale modeling with minimal changes to user code. You are welcome to
    try it out, though be aware that the DTensor API is experimental and up-to
    backward-incompatible changes. DTensor and Keras integration is published
    under `tf.keras.dtensor` in this release (refer to the `tf.keras` entry).
    The tutoral and guide for DTensor will be published on
    https://www.tensorflow.org/. Please stay tuned.

# TODO(kanglan): Update windows configs after b/289091160 is fixed
build:release_cpu_windows --config=avx_win
build:release_cpu_windows --define=no_tensorflow_py_deps=true

# Exclude TFRT integration for anything but Linux.
build:android --config=no_tfrt
build:macos   --config=no_tfrt
build:windows --config=no_tfrt
build:rocm --config=no_tfrt

New features include improved integration between the Keystone service and Kubernetes RBAC, and a number of stability and compatibility improvements across the entire provider code-base.

### SIG Scheduling

  // This field can only be set when the Service type is 'LoadBalancer'. If not set, the default load
  // balancer implementation is used, today this is typically done through the cloud provider integration,
  // but should apply for any default implementation. If set, it is assumed that a load balancer
  // implementation is watching for Services with a matching class. Any default load balancer

1) Alpha for AWS ALB (Application Load Balancer) integration to Kubernetes Ingress resources.
2) Alpha for CSI specification 0.3 integration to AWS EBS (Elastic Block Store)

resources such as secrets, a mechanism to store resource encryption keys in external Key Management Systems (KMS) was introduced. This complements the original file-based storage and allows integration with multiple KMS. A Google Cloud KMS plugin was added and will be usable once the Google side of the integration is complete.

* Websocket requests may now authenticate to the API server by passing a bearer token in a websocket subprotocol of the form `base64url.bearer.authorization.k8s....

- Removed k8s.io/legacy-cloud-providers from staging. ([#124767](https://github.com/kubernetes/kubernetes/pull/124767), [@carlory](https://github.com/carlory)) [SIG API Machinery, Cloud Provider and Release]
- Removed legacy cloud provider integration code (undoing a previous reverted commit). ([#124886](https://github.com/kubernetes/kubernetes/pull/124886), [@carlory](https://github.com/carlory)) [SIG Cloud Provider and Release]

### API Change