* Reduced the CPU and memory requests for the Metrics Server Nanny sidecar container to free up unused resources.  ([#57252](https://github.com/kubernetes/kubernetes/pull/57252), [@kawych](https://github.com/kawych))

* Free up CPU and memory requested but unused by Metrics Server Pod Nanny. ([#57252](https://github.com/kubernetes/kubernetes/pull/57252), [@kawych](https://github.com/kawych))

- kubeadm: remove misleading error message regarding image pulling ([#66658](https://github.com/kubernetes/kubernetes/pull/66658), [@dixudx](https://github.com/dixudx))
- kubeadm: Pull sidecar and dnsmasq-nanny images when using kube-dns ([#66499](https://github.com/kubernetes/kubernetes/pull/66499), [@rosti](https://github.com/rosti))

* 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))

* Trusty: Update heapster manifest handling code ([#23434](https://github.com/kubernetes/kubernetes/pull/23434), [@andyzheng0831](https://github.com/andyzheng0831))
* Support addon Deployments, make heapster a deployment with a nanny. ([#22893](https://github.com/kubernetes/kubernetes/pull/22893), [@Q-Lee](https://github.com/Q-Lee))

* Update kubectl help for 1.2 resources ([#23305](https://github.com/kubernetes/kubernetes/pull/23305), [@janetkuo](https://github.com/janetkuo))
* Support addon Deployments, make heapster a deployment with a nanny. ([#22893](https://github.com/kubernetes/kubernetes/pull/22893), [@Q-Lee](https://github.com/Q-Lee))

- Mark `net.ipv4.ip_unprivileged_port_start` as safe `sysctl`. ([#103326](https://github.com/kubernetes/kubernetes/pull/103326), [@pacoxu](https://github.com/pacoxu))
- Metrics server nanny has now poll period set to 30s (previously 5 minutes) to allow faster scaling of metrics server. ([#101869](https://github.com/kubernetes/kubernetes/pull/101869), [@olagacek](https://github.com/olagacek)) [SIG Cloud Provider and Instrumentation]

### DNS
* Updates the dnsmasq cache/mux layer to be managed by dnsmasq-nanny. ([#41826](https://github.com/kubernetes/kubernetes/pull/41826), [@bowei](https://github.com/bowei))
  dnsmasq-nanny manages dnsmasq based on values from the
  kube-system:kube-dns configmap:
  ```
  "stubDomains": {
  "acme.local": ["1.2.3.4"]
   },
  ```