* - Don't generate empty record for externalName service.
    * - Add validation for upstreamNameserver port.
    * - Update go version to 1.9.3.
* Fix mounting of UNIX sockets(and other special files) in subpaths ([#61480](https://github.com/kubernetes/kubernetes/pull/61480), [@gnufied](https://github.com/gnufied))

- Added e2e tests for volume group snapshots. ([#128972](https://github.com/kubernetes/kubernetes/pull/128972), [@manishym](https://github.com/manishym)) [SIG Cloud Provider, Storage and Testing]
- Added unit test helpers to validate CEL and patterns in CustomResourceDefinitions. ([#129028](https://github.com/kubernetes/kubernetes/pull/129028), [@sttts](https://github.com/sttts))

- Profiling can now be served on a unix-domain socket by using the `--profiling-path` option (when profiling is enabled) for security purposes. ([#114191](https://github.com/kubernetes/kubernetes/pull/114191), [@apelisse](https://github.com/apelisse)) [SIG API Machinery]

10134..10136  ; disallowed                             # NA   <reserved-10134>..<reserved-10136>
10137..1013F  ; valid                  ;      ; NV8    # 4.0  AEGEAN WEIGHT BASE UNIT..AEGEAN MEASURE THIRD SUBUNIT
10140..1018A  ; valid                  ;      ; NV8    # 4.1  GREEK ACROPHONIC ATTIC ONE QUARTER..GREEK ZERO SIGN

- To ensure the code be strong,  add unit test for GetAddressAndDialer ([#93180](https://github.com/kubernetes/kubernetes/pull/93180), [@FreeZhang61](https://github.com/FreeZhang61)) [SIG Node]

pkg syscall, func Unlink(string) error
pkg syscall, func Utimes(string, []Timeval) error
pkg syscall, method (*Timespec) Nano() int64
pkg syscall, method (*Timespec) Unix() (int64, int64)
pkg syscall, method (*Timeval) Nano() int64
pkg syscall, method (*Timeval) Unix() (int64, int64)
pkg syscall, method (Errno) Error() string
pkg syscall, method (Errno) Temporary() bool
pkg syscall, method (Errno) Timeout() bool

- `oc describe quota` used has the same unit format as hard ([#102177](https://github.com/kubernetes/kubernetes/pull/102177), [@atiratree](https://github.com/atiratree)) [SIG CLI]

### Other (Cleanup or Flake)

- Kube-apiserver, kube-scheduler and kube-controller manager now use SO_REUSEPORT socket option when listening on address defined by --bind-address and --secure-port flags, when running on Unix systems (Windows is NOT supported). This allows to run multiple instances of those processes on a single host with the same configuration, which allows to update/restart them in a graceful way, without causing downtime. ([#88893](https://github.co...

* Remove the `--secret-name` flag from `kubefed join`, instead generating the secret name arbitrarily. ([#42513](https://github.com/kubernetes/kubernetes/pull/42513), [@perotinus](https://github.com/perotinus))
* Added InterPodAffinity unit test case with Namespace. ([#45152](https://github.com/kubernetes/kubernetes/pull/45152), [@k82cn](https://github.com/k82cn))

* fix mesos unit tests ([#38196](https://github.com/kubernetes/kubernetes/pull/38196), [@deads2k](https://github.com/deads2k))