- kubectl supports copying files with wild card ([#72641](https://github.com/kubernetes/kubernetes/pull/72641), [@dixudx](https://github.com/dixudx))

- Fixed bug that prevented the alpha feature `PodTopologyLabelAdmission` from working due to checking for the incorrect label key when copying topology labels. This bug delayed the graduation of the feature to beta by an additional release to allow time for meaningful feedback. ([#132462](https://github.com/kubernetes/kubernetes/pull/132462), [@munnerz](https://github.com/munnerz))

   ([#128100](https://github.com/kubernetes/kubernetes/pull/128100), [@yongruilin](https://github.com/yongruilin)) [SIG Architecture and Instrumentation]
- Discarded the output streams of destination path check in kubectl cp when copying from local to pod and added a 3 seconds timeout to this check ([#126652](https://github.com/kubernetes/kubernetes/pull/126652), [@ardaguclu](https://github.com/ardaguclu)) [SIG CLI]

  - `kubectl convert`, deprecated since v1.14, will be removed in v1.17.
  - The `--export` flag for the `kubectl get` command, deprecated since v1.14, will be removed in v1.18.
  - `kubectl cp` no longer supports copying symbolic links from containers; to support this use case, see `kubectl exec --help` for examples using `tar` directly ([#82143](https://github.com/kubernetes/kubernetes/pull/82143), [@soltysh](https://github.com/soltysh))

- `kubectl debug` gains support for changing container images when copying a pod for debugging, similar to how `kubectl set image` works. See `kubectl help debug` for more information. ([#96058](https://github.com/kubernetes/kubernetes/pull/96058), [@verb](https://github.com/verb)) [SIG CLI]

- Report cp errors consistently, providing full message whether copying to or from a pod.  ([#77010](https://github.com/kubernetes/kubernetes/pull/77010), [@soltysh](https://github.com/soltysh))
- Preserved existing namespace information in manifests when running `

* Add RBAC support to fluentd-elasticsearch cluster addon ([#46203](https://github.com/kubernetes/kubernetes/pull/46203), [@simt2](https://github.com/simt2))
* Avoid redundant copying of tars during kube-up for gce if the same file already exists ([#46792](https://github.com/kubernetes/kubernetes/pull/46792), [@ianchakeres](https://github.com/ianchakeres))

* Add limitrange/resourcequota/downward_api  e2e tests for local ephemeral storage ([#52523](https://github.com/kubernetes/kubernetes/pull/52523), [@NickrenREN](https://github.com/NickrenREN))
* Support copying "options" in resolv.conf into pod sandbox when dnsPolicy is Default ([#54773](https://github.com/kubernetes/kubernetes/pull/54773), [@phsiao](https://github.com/phsiao))

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- Added `SchedulerPopFromBackoffQ` feature gate that is in beta and enabled by default. Improved scheduling queue behavior by popping pods from the backoffQ when the activeQ is empty. This allows to process potentially schedulable pods ASAP, eliminating a penalty effect of the backoff queue. ([#130772](https://github.com/kubernetes/kubernetes/pull/130772), [@macsko](https://github.com/macsko))...