// have two requirements that significantly complicate their design.
  // 1. Cancellation should propagate from the returned future to the input future(s).
  // 2. The returned futures shouldn't unnecessarily 'pin' their inputs after completion.
  //
  // A consequence of these requirements is that the delegate futures cannot be stored in
  // final fields.
  //
  // For simplicity the rest of this description will discuss Futures.catching since it is the

* 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))