- Kube-controller-manager: Removed flags  `deleting-pods-qps`, `deleting-pods-burst`, and `register-retry-count`. ([#109612](https://github.com/kubernetes/kubernetes/pull/109612), [@pandaamanda](https://github.com/pandaamanda))

- Kubemark: added two flags, `--kube-api-qps` which indicates the maximum QPS to the apiserver, and `--kube-api-burst` which indicates maximum burst for throttle to the apiserver. ([#124147](https://github.com/kubernetes/kubernetes/pull/124147), [@devincd](https://github.com/devincd))

  // MaxLimitRequestRatio if specified, the named resource must have a request and limit that are both non-zero where limit divided by request is less than or equal to the enumerated value; this represents the max burst for the named resource.
  // +optional
  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> maxLimitRequestRatio = 6;
}

// LimitRangeList is a list of LimitRange items.
message LimitRangeList {

- Fix kubectl config flags incorrectly setting burst and discovery limits ([#108401](https://github.com/kubernetes/kubernetes/pull/108401), [@ulucinar](https://github.com/ulucinar)) [SIG CLI]

* Remove support for debian masters in GCE kube-up. ([#41666](https://github.com/kubernetes/kubernetes/pull/41666), [@mikedanese](https://github.com/mikedanese))
* Remove support for trusty in GCE kube-up. ([#41670](https://github.com/kubernetes/kubernetes/pull/41670), [@mikedanese](https://github.com/mikedanese))

- the IP allocator in v1.17.0 can return errors such as `the cluster IP <ip> for service <service-name> is not within...

- Apiserver: used the correct error when logging errors updating managedFields. ([#113711](https://github.com/kubernetes/kubernetes/pull/113711),...

Major features for stateful applications include automated updates to StatefulSets, enhanced updates for DaemonSets, a burst mode for faster StatefulSets scaling, and (alpha) support for local storage.