- Kubeadm: fixed an etcd learner-mode bug by preparing an etcd static pod manifest before promoting ([#115038](https://github.com/kubernetes/kubernetes/pull/115038), [@tobiasgiese](https://github.com/tobiasgiese))

- Promoted `kubectl alpha events` to `kubectl events`. ([#113819](https://github.com/kubernetes/kubernetes/pull/113819), [@soltysh](https://github.com/soltysh))
- Promoting `WindowsHostProcessContainers` to stable. ([#113476](https://github.com/kubernetes/kubernetes/pull/113476), [@marosset](https://github.com/marosset))

* Update Calico version to v2.6.6 ([#58482](https://github.com/kubernetes/kubernetes/pull/58482), [@tmjd](https://github.com/tmjd))
* Promoting the apiregistration.k8s.io (aggregation) to GA ([#58393](https://github.com/kubernetes/kubernetes/pull/58393), [@deads2k](https://github.com/deads2k))

### SIG Cluster Lifecycle

For 1.13 SIG Cluster Lifecycle is pleased to announce the long awaited promotion of kubeadm to stable GA, and the promotion of kubeadm’s configuration API to `v1beta1`.
In this release the SIG again focused on further improving the user experience on cluster creation and also fixing a number of bugs and other assorted improvements.

- Kubeadm: Added support for ECDSA-P384 as an encryption algorithm type in v1beta4. ([#131677](https://github.com/kubernetes/kubernetes/pull/131677), [@lalitc375](https://github.com/lalitc375))
- Kubeadm: Fixed an issue where etcd member promotion failed with an error indicating the member was already promoted. ([#130782](https://github.com/kubernetes/kubernetes/pull/130782), [@BernardMC](https://github.com/BernardMC))

- Kubeadm: fixed issue where etcd member promotion fails with an error saying the member was already promoted ([#132281](https://github.com/kubernetes/kubernetes/pull/132281), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

## Dependencies

### Added

* Fix admission metrics histogram bucket sizes to cover 25ms to ~2.5 seconds. ([#78608](https://github.com/kubernetes/kubernetes/pull/78608), [@jpbetz](https://github.com/jpbetz))
* Revert Promotion of resource quota scope selector to GA ([#78696](https://github.com/kubernetes/kubernetes/pull/78696), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))



# v1.15.0-beta.2

- Kubeadm: fixed issue where etcd member promotion fails with an error saying the member was already promoted ([#132280](https://github.com/kubernetes/kubernetes/pull/132280), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

### Other (Cleanup or Flake)

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

// soy : Charleston Road Registry Inc.
// https://www.iana.org/domains/root/db/soy.html
soy

// spa : Asia Spa and Wellness Promotion Council Limited
// https://www.iana.org/domains/root/db/spa.html
spa

// space : Radix Technologies Inc.
// https://www.iana.org/domains/root/db/space.html
space

// sport : SportAccord

- Kubeadm: fixed issue where etcd member promotion fails with an error saying the member was already promoted ([#132282](https://github.com/kubernetes/kubernetes/pull/132282), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

## Dependencies

### Added