* Clean up the kube-proxy container image by removing unnecessary packages and files. ([#42090](https://github.com/kubernetes/kubernetes/pull/42090), [@timstclair](https://github.com/timstclair))
* Better compat with very old iptables (e.g. CentOS 6) ([#37594](https://github.com/kubernetes/kubernetes/pull/37594), [@thockin](https://github.com/thockin))

### Scheduler

// https://www.iana.org/domains/root/db/delta.html
delta

// democrat : Dog Beach, LLC
// https://www.iana.org/domains/root/db/democrat.html
democrat

// dental : Binky Moon, LLC
// https://www.iana.org/domains/root/db/dental.html
dental

// dentist : Dog Beach, LLC
// https://www.iana.org/domains/root/db/dentist.html
dentist

// desi
// https://www.iana.org/domains/root/db/desi.html
desi

* hyperkube

  * The hyperkube image has been slimmed down and no longer includes addon manifests and other various scripts. These were introduced for the now removed docker-multinode setup system. ([#44555](https://github.com/kubernetes/kubernetes/pull/44555), [@luxas](https://github.com/luxas))

- Fixed runtime cost estimation for `x-int-or-string` custom resource schemas with maximum lengths. ([#132837](https://github.com/kubernetes/kubernetes/pull/132837), [@JoelSpeed](https://github.com/JoelSpeed))

#### Lifecycle

- Support for deprecated old kubeadm v1alpha3 config has been totally removed. ([#75179](https://github.com/kubernetes/kubernetes/pull/75179), [@rosti](https://github.com/rosti))
- kube-up.sh no longer supports "centos" and "local" providers. ([#76711](https://github.com/kubernetes/kubernetes/pull/76711), [@dims](https://github.com/dims))

#### Network

0},meridiem:function(e,a,t){return e<11?"pagi":e<15?"tengahari":e<19?"petang":"malam"},calendar:{sameDay:"[Hari ini pukul] LT",nextDay:"[Esok pukul] LT",nextWeek:"dddd [pukul] LT",lastDay:"[Kelmarin pukul] LT",lastWeek:"dddd [lepas pukul] LT",sameElse:"L"},relativeTime:{future:"dalam %s",past:"%s yang lepas",s:"beberapa saat",ss:"%d saat",m:"seminit",mm:"%d minit",h:"sejam",hh:"%d jam",d:"sehari",dd:"%d hari",M:"sebulan",MM:"%d bulan",y:"setahun",yy:"%d tahun"},week:{dow:1,doy:7}}),M.defineLocale("ms",{months:"J...

* Fixes an issue pulling pod specs referencing unqualified images from docker.io on centos/fedora/rhel ([#53161](https://github.com/kubernetes/kubernetes/pull/53161), [@dims](https://github.com/dims))
* Update kube-dns to 1.14.5 ([#53153](https://github.com/kubernetes/kubernetes/pull/53153), [@bowei](https://github.com/bowei))

    * updating Service/Endpoints IPs in very large clusters on RHEL/CentOS 7.
* kubeadm: support any Linux kernel version newer than 3.10 ([#81623](https://github.com/kubernetes/kubernetes/pull/81623), [@neolit123](https://github.com/neolit123))