- Updated `etcd` to `v3.6.5`. ([#134251](https://github.com/kubernetes/kubernetes/pull/134251), [@joshjms](https://github.com/joshjms)) [SIG API Machinery, Cloud Provider, Cluster Lifecycle, Etcd and Testing]
- Updated `kubectl auth reconcile` to retry reconciliation when a conflict error occurs. ([#133323](https://github.com/kubernetes/kubernetes/pull/133323), [@liggitt](https://github.com/liggitt)) [SIG Auth and CLI]

- `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))

### API Change

- Add --concurrent-resourceclaim-syncs to configure kube-controller-manager resource claim reconcile concurrency ([#134701](https://github.com/kubernetes/kubernetes/pull/134701), [@anson627](https://github.com/anson627)) [SIG API Machinery, Apps, Node and Testing]

- 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]

- 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))

- Update the route table tag in the route reconcile loop ([#96545](https://github.com/kubernetes/kubernetes/pull/96545), [@nilo19](https://github.com/nilo19)) [SIG Cloud Provider]

* The --remove-extra-subjects and --remove-extra-permissions flags have been enabled for kubectl auth reconcile ([#64541](https://github.com/kubernetes/kubernetes/pull/64541), [@mrogers950](https://github.com/mrogers950))

- Fixes an issue where default RBAC policy could fail to reconcile on API server startup if an error was encountered ([#101954](https://github.com/kubernetes/kubernetes/pull/101954), [@voutcn](https://github.com/voutcn)) [SIG Auth]