* Added a way to pass extra arguments to etcd. The these extra arguments can be used to adjust runtime configuration like heartbeat interval etc. ([#63961](https://github.com/kubernetes/kubernetes/pull/63961), [@mborsz](https://github.com/mborsz))

* Resolves a bug that prevented sending a multi-version custom resource to an admission webhook. ([#79495](https://github.com/kubernetes/kubernetes/pull/79495), [@liggitt](https://github.com/liggitt))
* Pass-through volume MountOptions to global mount (NodeStageVolume) on the node for CSI ([#80191](https://github.com/kubernetes/kubernetes/pull/80191), [@davidz627](https://github.com/davidz627))

- [`KT-55375`](https://youtrack.jetbrains.com/issue/KT-55375) Remove "legacy" mode of jvm-abi-gen plugin
- [`KT-53470`](https://youtrack.jetbrains.com/issue/KT-53470) FIR: pass `MemberGenerationContext` to all methods of FirDeclarationGenerationExtension
- [`KT-51092`](https://youtrack.jetbrains.com/issue/KT-51092) Lombok `@Value` causes IllegalAccessError

- E2e.test: removed the  `--viper-config` flag. If you were previously using this to pass flags to `e2e.test` via a file, you will need to pass them directly on the command line, e.g. `e2e.test --e2e-output-dir`. ([#102598](https://github.com/kubernetes/kubernetes/pull/102598), [@dims](https://github.com/dims))

- hyperkube: Use debian-hyperkube-base@v1.1.1...

- Client-go impersonation config can specify a UID to pass impersonated uid information through in requests. ([#104483](https://github.com/kubernetes/kubernetes/pull/104483), [@margocrawf](https://github.com/margocrawf))

- Pass additional flags to subpath mount to avoid flakes in certain conditions ([#104348](https://github.com/kubernetes/kubernetes/pull/104348), [@mauriciopoppe](https://github.com/mauriciopoppe)) [SIG Storage]

`kube-system/kubelet-config` naming scheme for the kubelet ConfigMap and RBAC rules, instead of the legacy `kubelet-config-x.yy` naming. 2) during upgrade, kubeadm will only write the new scheme ConfigMap and RBAC objects. To disable the feature you can pass `UnversionedKubeletConfigMap: false` in the kubeadm config for new clusters. For upgrade on existing clusters you can also override the behavior by patching the ClusterConfiguration object in `kube-system/kubeadm-config`. More details in the associated...

- Kubeadm: pass the host OS environment variables when executing "crictl" during image pulls. This fixes a bug where *PROXY environment variables did not affect crictl's internet connectivity. ([#110134](https://github.com/kubernetes/kubernetes/pull/110134), [@mk...

*   [stable] [cri-o](https://github.com/kubernetes-incubator/cri-o): CRI implementation for OCI-based runtimes is now v1.9. [[@mrunalp](https://github.com/mrunalp)]
    *   Pass all the Kubernetes 1.9 end-to-end test suites and now gating PRs as well
    *   Pass all the CRI validation tests
    *   Release has been focused on bug fixes, stability and performance with runc and Clear Containers
    *   Minikube integration