- Fix a bug on the endpoints controller that does not reconcile the Endpoint object after this is truncated (it gets more than 1000 endpoints addresses) ([#127417](https://github.com/kubernetes/kubernetes/pull/127417), [@aojea](https://github.com/aojea)) [SIG Apps, Network and Testing]

* kube-apiserver: the default `--endpoint-reconciler-type` is now `lease`. The `master-count` endpoint reconciler type is deprecated and will be removed in 1.13. ([#63383](https://github.com/kubernetes/kubernetes/pull/63383), [@liggitt](https://github.com/liggitt))

  commands apply to uninitialized objects. See the
  [initializer documentation](https://kubernetes.io/docs/admin/extensible-admission-controllers/) for more details.

- Added RBAC reconcile commands with `kubectl auth reconcile -f FILE`. When
  passed a file which contains RBAC roles, rolebindings, clusterroles, or
  clusterrolebindings, this command computes covers and adds the missing rules.

- Fixed the bug where if Endpointslices mirrored from Endpoints by the EndpointSliceMirroring controller they would not reconcile if modified. were not reconciled if modified ([#124131](https://github.com/kubernetes/kubernetes/pull/124131), [@zyjhtangtang](https://github.com/zyjhtangtang)) [SIG Apps and Network]

- Fix a bug on the endpoints controller that does not reconcile the Endpoint object after this is truncated (it gets more than 1000 endpoints addresses) ([#127417](https://github.com/kubernetes/kubernetes/pull/127417), [@aojea](https://github.com/aojea)) [SIG Apps, Network and Testing]

  have been validated.
* The following deprecated kubelet flags are removed: `--config`, `--auth-path`,
  `--resource-container`, `--system-container`, `--reconcile-cidr`
* Remove the temporary fix for pre-1.0 mirror pods. Upgrade directly from
  pre-1.0 to 1.6 kubelet is not supported.
* Fluentd was migrated to Daemon Set, which targets nodes with

- `kubectl auth reconcile` now outputs details about what changes are being made ([#71564](https://github.com/kubernetes/kubernetes/pull/71564), [@liggitt](https://github.com/liggitt))

- HPA controller starts to expose metrics from the kube-controller-manager.\n- `reconciliations_total`: Number of reconciliation of HPA controller. \n- `reconciliation_duration_seconds`: The time(seconds) that the HPA controller takes to reconcile once. ([#116010](https://github.com/kubernetes/kubernetes/pull/116010), [@sanposhiho](https://github.com/sanposhiho))

#### **API Server**

- Kubectl will now provide shell completion choices for the `--output/-o` flag ([#105851](https://github.com/kubernetes/kubernetes/pull/105851), [@marckhouzam](https://github.com/marckhouzam))