"content": {"application/x-level-0": {"schema": {}}},
                            },
                            "400": {"description": "Client error level 0"},
                            "422": {
                                "description": "Validation Error",
                                "content": {
                                    "application/json": {

t".Request).{Do,DoRaw,Stream,Watch}` now require callers to pass a `context.Context` as an argument. The context is used for timeout and cancellation signaling and to pass supplementary information to round trippers in the wrapped transport chain. If you don't need any of this functionality, it is sufficient to pass a context created with `context.Background()` to these functions. The `(*"k8s.io/client-go/rest".Request).Context` method is removed now that all methods that execute a request accept...

### API Change

* Adds --append-hash flag to kubectl create configmap/secret, which will append a short hash of the configmap/secret contents to the name during creation. ([#49961](https://github.com/kubernetes/kubernetes/pull/49961), [@mtaufen](https://github.com/mtaufen))

    - [Client Binaries](#client-binaries-12)
    - [Server Binaries](#server-binaries-12)
    - [Node Binaries](#node-binaries-12)
- [Kubernetes 1.13 Release Notes](#kubernetes-113-release-notes)
  - [Security Content](#security-content)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)
    - [(No, really, you MUST do this before you upgrade)](#no-really-you-must-do-this-before-you-upgrade)
  - [Known Issues](#known-issues)

  termination message log file. The termination message file is now properly
  readable for end users and has a maximum size (4k bytes) to prevent abuse.
  Each pod may have up to 12k bytes of termination messages before the contents
  of each will be truncated.
* Do not delete pod objects until all its compute resource footprint has been
  reclaimed.
  - This feature prevents the node and scheduler from oversubscribing resources

### Other (Cleanup or Flake)

- Client-go header logging (at verbosity levels >= 9) now masks `Authorization` header contents ([#95316](https://github.com/kubernetes/kubernetes/pull/95316), [@sfowl](https://github.com/sfowl)) [SIG API Machinery]

## Dependencies

### Added
_Nothing has changed._

### Changed

*   `kubectl cp` now honors destination names for directories. A complete directory is now copied; in previous versions only the file contents were copied. ([#51215](https://github.com/kubernetes/kubernetes/pull/51215),[ @juanvallejo](https://github.com/juanvallejo))

* kubectl: fixes a bug determining the correct namespace while running in a pod when the `--context` flag is explicitly specified, and the referenced context specifies the namespace `default` ([#72529](https://github.com/kubernetes/kubernetes/pull/72529), [@liggitt](https://github.com/liggitt))

- Kubeadm: Added missing cluster-info context validation to prevent panics when the user has a malformed kubeconfig in the cluster-info ConfigMap that excludes a valid current context. ([#134715](https://github.com/kubernetes/kubernetes/pull/134715), [@neolit123](https://github.com/neolit123))