- Enable SPDY pings to keep connections alive, so that `kubectl exec` and `kubectl portforward` won't be interrupted. ([#97083](https://github.com/kubernetes/kubernetes/pull/97083), [@knight42](https://github.com/knight42)) [SIG API Machinery and CLI]

  
  This is a new major release of kustomize, so there are a few backwards-incompatible changes, most of which are rare use cases, bug fixes with side effects, or things that have been deprecated for multiple releases already:
  

- Shell completion has been migrated to Cobra's go solution.  `kubectl` is now smarter about disabling file completion when it does not apply.  Furthermore, completion for the `cp` command does not show all files unless the user has started typing something. ([#96087](https://github.com/kubernetes/kubernetes/pull/96087), [@marckhouzam](https://github.com/marckhouzam)) [SIG CLI]