- kube-scheduler dropped support for configuration files with apiVersion `componentconfig/v1alpha1`. Ensure kube-scheduler is configured using command-line flags or a configuration file with apiVersion `kubescheduler.config.k8s.io/v1alpha1` before upgrading to 1.13.
- kubectl

See here for guidance on getting permanent links to files: https://help.github.com/en/articles/getting-permanent-links-to-files

Please use the following format for linking documentation:
- [KEP]: <link>
- [Usage]: <link>
- [Other doc]: <link>
-->
```docs

# Always check-out / check-in files with LF line endings.
* text=auto eol=lf

hack/verify-flags/known-flags.txt merge=union
test/test_owners.csv merge=union

**/zz_generated.*.go linguist-generated=true
**/types.generated.go linguist-generated=true
**/generated.pb.go linguist-generated=true
**/generated.proto
**/types_swagger_doc_generated.go linguist-generated=true
api/openapi-spec/*.json linguist-generated=true

- Metrics Server image bumped to v0.5.2 ([#106492](https://github.com/kubernetes/kubernetes/pull/106492), [@serathius](https://github.com/serathius))
- Modified command line errors (for example, `kubectl list` -> `unknown command`) that were printed as log message with escaped line breaks instead of a multi-line plain text, making the error hard to read. ([#107044](https://github.com/kubernetes/kubernetes/pull/107044), [@pohly](https://github.com/pohly))

  
  Please use the following format for linking documentation:
  - [KEP]: <link>
  - [Usage]: <link>
  - [Other doc]: <link>

  - [alpha] Introducing `kubefed`, a new command line tool to simplify federation control plane. ([docs](http://kubernetes.io/docs/admin/federation/kubefed/)) ([kubernetes/features#97](https://github.com/kubernetes/enhancements/issues/97))
- **Network**

- github.com/golangci/golangci-lint: [v1.18.0](https://github.com/golangci/golangci-lint/tree/v1.18.0)
- github.com/golangci/gosec: [66fb7fc](https://github.com/golangci/gosec/tree/66fb7fc)
- github.com/golangci/ineffassign: [42439a7](https://github.com/golangci/ineffassign/tree/42439a7)
- github.com/golangci/lint-1: [ee948d0](https://github.com/golangci/lint-1/tree/ee948d0)

- Fix kubectl-convert import known versions ([#97754](https://github.com/kubernetes/kubernetes/pull/97754), [@wzshiming](https://github.com/wzshiming)) [SIG CLI and Testing]
- Fix the description of command line flags that can override --config ([#98786](https://github.com/kubernetes/kubernetes/pull/98786), [@changshuchao](https://github.com/changshuchao)) [SIG Scheduling]

  
  Please use the following format for linking documentation:
  - [KEP]: <link>
  - [Usage]: <link>
  - [Other doc]: <link>
  --> (#104782, @kerthcet) [SIG Scheduling and Testing]
- Ephemeral containers have reached beta maturity and are now available by default. (#105405, @verb) [SIG API Machinery, Apps, Node and Testing]

- Fix data race in kube-scheduler when preemption races with a Pod update. ([#116439](https://github.com/kubernetes/kubernetes/pull/116439), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling]
- Fix log line in scheduler that inaccurately implies that volume binding has finalized ([#116049](https://github.com/kubernetes/kubernetes/pull/116049), [@TommyStarK](https://github.com/TommyStarK)) [SIG Scheduling and Storage]