t;case"quarter":return t/3;case"year":return t/12}else switch(a=this._days+Math.round(St(this._months)),e){case"week":return a/7+s/6048e5;case"day":return a+s/864e5;case"hour":return 24*a+s/36e5;case"minute":return 1440*a+s/6e4;case"second":return 86400*a+s/1e3;case"millisecond":return Math.floor(864e5*a)+s;default:throw new Error("Unknown unit "+e)}},Xt.asMilliseconds=jt,Xt.asSeconds=xt,Xt.asMinutes=Pt,Xt.asHours=Ot,Xt.asDays=Wt,Xt.asWeeks=At,Xt.asMonths=Et,Xt.asQuarters=Ft,Xt.asYears=zt,Xt.valu...

- Fix control plane hosts rolling upgrade causing thundering herd of LISTs on etcd leading to control plane unavailability. ([#86430](https://github.com/kubernetes/kubernetes/pull/86430), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery, Node and Testing]

- GCE: Fixes loadbalancer creation and deletion issues appearing in 1.10.5. ([#66400](https://github.com/kubernetes/kubernetes/pull/66400), [@nicksardo](https://github.com/nicksardo))
- Fixed exception detection in fluentd-gcp plugin. ([#65361](https://github.com/kubernetes/kubernetes/pull/65361), [@xperimental](https://github.com/xperimental))

## Changelog since v1.16.8

## Changes by Kind

### Feature

- deps: Update to Golang 1.13.9
  - build: Remove kube-cross image building ([#89400](https://github.com/kubernetes/kubernetes/pull/89400), [@justaugustus](https://github.com/justaugustus)) [SIG Release and Testing]

### Bug or Regression

* GCE: Fixes loadbalancer creation and deletion issues appearing in 1.10.5. ([#66400](https://github.com/kubernetes/kubernetes/pull/66400), [@nicksardo](https://github.com/nicksardo))

* GCE: Fixes loadbalancer creation and deletion issues appearing in 1.10.5. ([#66400](https://github.com/kubernetes/kubernetes/pull/66400), [@nicksardo](https://github.com/nicksardo))
* kubeadm: Pull sidecar and dnsmasq-nanny images when using kube-dns ([#66499](https://github.com/kubernetes/kubernetes/pull/66499), [@rosti](https://github.com/rosti))