## Changelog since v1.13.9

### Other notable changes

* Update golang/x/net dependency to bring in fixes for CVE-2019-9512, CVE-2019-9514 ([#81546](https://github.com/kubernetes/kubernetes/pull/81546), [@cblecker](https://github.com/cblecker))

### Other (Cleanup or Flake)

- '`build/dependencies.yaml`: remove the dependency on Docker. With the dockershim removal, core Kubernetes no longer
  has to track the latest validated version of Docker.' ([#107607](https://github.com/kubernetes/kubernetes/pull/107607), [@neolit123](https://github.com/neolit123))

- Fixed a bug that doesn't allow to install k8s.io/kube-openapi dependency on execute kube::codegen::gen_openapi. ([#126923](https://github.com/kubernetes/kubernetes/pull/126923), [@kannon92](https://github.com/kannon92)) [SIG API Machinery]

- Add metrics to track allocation of Uncore (aka last-level aka L3) Cache blocks ([#130133](https://github.com/kubernetes/kubernetes/pull/130133), [@ffromani](https://github.com/ffromani)) [SIG Node and Testing]
- Changed the dependency version for CoreDNS. Kubernetes tools now install CoreDNS `v1.12.0`. ([#128926](https://github.com/kubernetes/kubernetes/pull/128926), [@bzsuni](https://github.com/bzsuni)) [SIG Cloud Provider and Cluster Lifecycle]

// opad = 0x5c byte repeated for key length // hmac = H([key ^ opad] H([key ^ ipad] text)) // marshalable is the combination of encoding.BinaryMarshaler and // encoding.BinaryUnmarshaler. Their method definitions are repeated here to // avoid a dependency on the encoding package. type marshalable interface { MarshalBinary() ([]byte, error) UnmarshalBinary([]byte) error } type HMAC struct { // opad and ipad may share underlying storage with HMAC clones. opad, ipad []byte outer, inner hash.Hash //...