- [`KT-58184`](https://youtrack.jetbrains.com/issue/KT-58184) K2: False negative INVISIBLE_MEMBER on destructuring declaration
- [`KT-58637`](https://youtrack.jetbrains.com/issue/KT-58637) K2: False negative ABSTRACT_MEMBER_NOT_IMPLEMENTED on Entry of Enum with abstract member declaration
- [`KT-54952`](https://youtrack.jetbrains.com/issue/KT-54952) JvmSerializationBindings does not work with K2

* kube-proxy needs to be configured to override hostname in some environments. ([#857](https://github.com/kubernetes/kubeadm/issues/857), [@detiber](https://github.com/detiber))

### SIG Cluster Lifecycle

- kubeadm: Updates version of CoreDNS to 1.2.6 ([#70796](https://github.com/kubernetes/kubernetes/pull/70796), [@detiber](https://github.com/detiber))
- kubeadm: Validate kubeconfig files in case of external CA mode. ([#70537](https://github.com/kubernetes/kubernetes/pull/70537), [@yagonobre](https://github.com/yagonobre))

* kubeadm - Increase the manifest upgrade timeout to make upgrades more reliable. ([#65029](https://github.com/kubernetes/kubernetes/pull/65029), [@detiber](https://github.com/detiber))
* Webhooks for the mutating admission controller now support "remove" operation. ([#64971](https://github.com/kubernetes/kubernetes/pull/64971), [@sttts](https://github.com/sttts))

- If `kubeadm reset` finds no etcd member ID for the peer it removes during the `remove-etcd-member` phase, it continues immediately to other phases, instead of retrying the phase for up to 3 minutes before continuing. ([#117724](https://github.com/kubernetes/kubernetes/pull/117724), [@dlipovetsky](https://github.com/dlipovetsky))...

- If `kubeadm reset` finds no etcd member ID for the peer it removes during the `remove-etcd-member` phase, it continues immediately to other phases, instead of retrying the phase for up to 3 minutes before continuing. ([#118057](https://github.com/kubernetes/kubernetes/pull/118057), [@dlipovetsky](https://github.com/dlipovetsky))...

- If `kubeadm reset` finds no etcd member ID for the peer it removes during the `remove-etcd-member` phase, it continues immediately to other phases, instead of retrying the phase for up to 3 minutes before continuing. ([#117916](https://github.com/kubernetes/kubernetes/pull/117916), [@dlipovetsky](https://github.com/dlipovetsky))...

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- Kubeadm: during "join", don't re-add an etcd member if it already exists in the cluster. ([#92118](https://github.com/kubernetes/kubernetes/pull/92118), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]
- hyperkube: Use debian-hyperkube-base@v1.1.1 image
  

* Upgrade to etcd client 3.3.17 to fix bug where etcd client does not parse IPv6 addresses correctly when members are joining, and to fix bug where failover on multi-member etcd cluster fails certificate check on DNS mismatch ([#83968](https://github.com/kubernetes/kubernetes/pull/83968), [@jpbetz](https://github.com/jpbetz))