- Added a path `/header?key=` to `agnhost netexec` allowing one to view what the header value is of the incoming request.

  Ex:
  ```
  $ curl -H "X-Forwarded-For: something" 172.17.0.2:8080/header?key=X-Forwarded-For
  something
  ```

request alternate representations of normal Kubernetes objects by passing an `Accept` header like `application/json;as=Table;g=meta.k8s.io;v=v1beta1` or `application/json;as=PartialObjectMetadata;g=meta.k8s.io;v1=v1beta1`.  Older servers will ignore this representation or return an error if it is not available.  Clients may request fallback to the normal object by adding a non-qualified mime-type to their `Accept` header like `application/json` - the server will then respond with either the alternate...

'g')\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TITLE = '.popover-header'\nconst SELECTOR_CONTENT = '.popover-body'\n\nconst Default = {\n  ...Tooltip.Default,\n  placement: 'right',\n  trigger: 'click',\n  content: '',\n  template: '<div class=\"popover\" role=\"tooltip\">' +\n              '<div class=\"arrow\"></div>' +\n              '<h3 class=\"popover-header\"></h3>' +\n              '<div class=\"popover-body\"></div></div>'\n}\n\nconst DefaultType = {\n ...

* add fieldSelector podIP ([#50091](https://github.com/kubernetes/kubernetes/pull/50091), [@dixudx](https://github.com/dixudx))
* Return Audit-Id http response header for trouble shooting ([#49377](https://github.com/kubernetes/kubernetes/pull/49377), [@CaoShuFeng](https://github.com/CaoShuFeng))

* Fixes CVE-2019-11250: client-go header logging (at verbosity levels >= 7) now masks `Authorization` header contents ([#81330](https://github.com/kubernetes/kubernetes/pull/81330), [@tedyu](https://github.com/tedyu))

### 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._

* Add "deploy" abbrev for deployments to kubectl ([#24087](https://github.com/kubernetes/kubernetes/pull/24087), [@Frostman](https://github.com/Frostman))
* --no-header available now for custom-column ([#26696](https://github.com/kubernetes/kubernetes/pull/26696), [@gitfred](https://github.com/gitfred))



# v1.4.0-alpha.1

* Flush conntrack state for removed/changed UDP Services ([#22573](https://github.com/kubernetes/kubernetes/pull/22573), [@freehan](https://github.com/freehan))
* Allow setting the Host header in a httpGet probe ([#24292](https://github.com/kubernetes/kubernetes/pull/24292), [@errm](https://github.com/errm))

- Kube-proxy service health returns http header `X-Load-Balancing-Endpoint-Weight` with number of local endpoints. The same information is still available in response body JSON `payload.LocalEndpoints`. ([#118999](https://github.com/kubernetes/kubernetes/pull/118999), [@cezarygerard](https://g...

* Bug fixes:

  * Make gcp auth provider not to override the Auth header if it's already exits ([#45575](https://github.com/kubernetes/kubernetes/pull/45575), [@wanghaoran1988](https://github.com/wanghaoran1988))