* one input completes with result X and another later with result Y, for Y to come before X in
   * the output future list. (Such races are impossible to solve without global synchronization of
   * all future completions. And they should have little practical impact.)
   *
   * <p>Cancelling a delegate future propagates to input futures once all the delegates complete,

* Add support for 3rd party objects to kubectl label ([#24882](https://github.com/kubernetes/kubernetes/pull/24882), [@brendandburns](https://github.com/brendandburns))
* Move shell completion generation into 'kubectl completion' command ([#23801](https://github.com/kubernetes/kubernetes/pull/23801), [@sttts](https://github.com/sttts))