- When `SchedulerQueueingHint` is enabled,
  the scheduler's in-tree plugins now subscribe to specific node events to decide whether to requeue Pods.
  This allows the scheduler to handle cluster events faster with less memory.

  Specific node events include updates to taints, tolerations or allocatable.

General Public License, you may choose any version of the GNU Lesser
General Public License ever published by the Free Software Foundation.

  If the Library as you received it specifies that a proxy can decide
whether future versions of the GNU Lesser General Public License shall
apply, that proxy's public statement of acceptance of any version is
permanent authorization for you to choose that version for the
Library.

* Upgrade Elasticsearch Addon to v5.4.0 ([#45589](https://github.com/kubernetes/kubernetes/pull/45589), [@it-svit](https://github.com/it-svit))
* PodDisruptionBudget now uses ControllerRef to decide which controller owns a given Pod, so it doesn't get confused by controllers with overlapping selectors. ([#45003](https://github.com/kubernetes/kubernetes/pull/45003), [@krmayankk](https://github.com/krmayankk))

### Azure

    change, but please check the
    [API doc](https://www.tensorflow.org/api_docs/python/tf/keras/optimizers/experimental)
    if any API used in your workflow is changed or deprecated, and make
    adaptations. If you decide to keep using the old optimizer, please
    explicitly change your optimizer to `tf.keras.optimizers.legacy.Optimizer`.
*   RNG behavior change for `tf.keras.initializers`. Keras initializers will now