C struct fields that cannot be expressed in Go, such as bit fields
or misaligned data, are omitted in the Go struct, replaced by
appropriate padding to reach the next field or the end of the struct.

The standard C numeric types are available under the names
C.char, C.schar (signed char), C.uchar (unsigned char),
C.short, C.ushort (unsigned short), C.int, C.uint (unsigned int),
C.long, C.ulong (unsigned long), C.longlong (long long),

- `can-i` to see if you can perform an action ([#41077](https://github.com/kubernetes/kubernetes/pull/41077), [@deads2k](https://github.com/deads2k))

#### Updates to existing commands
* Printing and output
  * Import a numeric ordering sorting library and use it in the sorting printer. ([#40746](https://github.com/kubernetes/kubernetes/pull/40746), [@matthyx](https://github.com/matthyx))

## Changelog since v1.10.6

### Action Required

* Networking test rewrite ([#31559](https://github.com/kubernetes/kubernetes/pull/31559), [@bprashanth](https://github.com/bprashanth))
* Fix the equality checks for numeric values in cluster/gce/util.sh. ([#37638](https://github.com/kubernetes/kubernetes/pull/37638), [@roberthbailey](https://github.com/roberthbailey))

* Fix photon controller plugin to construct with correct PdID ([#37167](https://github.com/kubernetes/kubernetes/pull/37167), [@luomiao](https://github.com/luomiao))
* Fix the equality checks for numeric values in cluster/gce/util.sh. ([#37638](https://github.com/kubernetes/kubernetes/pull/37638), [@roberthbailey](https://github.com/roberthbailey))

## Changelog since v1.9.10

### Action Required

- The API server and client-go libraries have been fixed to support additional non-alpha-numeric characters in UserInfo "extra" data keys. Both should be updated in order to properly support extra data containing "/" characters or other characters disallowed in HTTP headers. ([#65799](https://github.com/kubernetes/kubernetes/pull/65799), [@d...

## Changelog since v1.11.2

### Action Required

- Metrics for `RetroactiveDefaultStorageClass` feature are now available. To see an attempt count for updating PVC retroactively with a default StorageClass see `retroactive_storageclass_total` metric and for total numer of errors see `retroactive_storageclass_errors_total`. ([#113323](https://github.com/kubernetes/kubernetes/pull/113323), [@RomanBednar](https://github.com/RomanBednar))

* kubelet: fix bug where `runAsUser: MustRunAsNonRoot` strategy didn't reject a pod with a non-numeric `USER`. ([#56711](https://github.com/kubernetes/kubernetes/pull/56711), [@php-coder](https://github.com/php-coder))