- `metric_computation_duration_seconds`: The time(seconds) that the HPA controller takes to calculate one metric.
  - `metric_computation_total`: Number of metric computations. ([#116326](https://github.com/kubernetes/kubernetes/pull/116326), [@sanposhiho](https://github.com/sanposhiho)) [SIG Apps, Autoscaling and Instrumentation]

- Adds a headless service on node-local-cache addon. ([#88412](https://github.com/kubernetes/kubernetes/pull/88412), [@stafot](https://github.com/stafot)) [SIG Cloud Provider and Network]
- Allow cross-compilation of kubernetes on different platforms. ([#94403](https://github.com/kubernetes/kubernetes/pull/94403), [@bnrjee](https://github.com/bnrjee)) [SIG Release]

* GCE: Fix issue deleting internal load balancers when the firewall resource may not exist. ([#53450](https://github.com/kubernetes/kubernetes/pull/53450), [@nicksardo](https://github.com/nicksardo))
* Fix compilation of k8s.io/apiextensions-apiserver ([#48036](https://github.com/kubernetes/kubernetes/pull/48036), [@hongchaodeng](https://github.com/hongchaodeng))


# v1.7.8

* Ability to quota storage by storage class ([#34554](https://github.com/kubernetes/kubernetes/pull/34554), [@derekwaynecarr](https://github.com/derekwaynecarr))
* [Part 2] Adding s390x cross-compilation support for gcr.io images in this repo ([#36050](https://github.com/kubernetes/kubernetes/pull/36050), [@gajju26](https://github.com/gajju26))

- The scheduler is now optimized to throttle computational tasks involved with node selection. ([#67555](https://github.com/kubernetes/kubernetes/pull/67555), [@wgliang](https://github.com/wgliang)) Courtesy of SIG API Machinery, and SIG Scheduling