* The `initresource` admission plugin has been removed. ([#58784](https://github.com/kubernetes/kubernetes/pull/58784), [@wackxu](https://github.com/wackxu))

- CNI has been updated to v0.7.5 ([#75455](https://github.com/kubernetes/kubernetes/pull/75455))
- CSI has been updated to v1.1.0. ([#75391](https://github.com/kubernetes/kubernetes/pull/75391))
- The dashboard add-on has been updated to v1.10.1. ([#72495](https://github.com/kubernetes/kubernetes/pull/72495))

- Es-image has been upgraded to Elasticsearch 6.3.2 ([#67484](https://github.com/kubernetes/kubernetes/pull/67484))
- metrics-server has been upgraded to v0.3.1. ([#68746](https://github.com/kubernetes/kubernetes/pull/68746))
- GLBC has been updated to v1.2.3 ([#66793](https://github.com/kubernetes/kubernetes/pull/66793))

- es-image has been updated to Elasticsearch 6.7.2. ([#77765](https://github.com/kubernetes/kubernetes/pull/77765))
- metrics-server has been updated to v0.3.3. ([#77950](https://github.com/kubernetes/kubernetes/pull/77950))
- ip-masq-agent has been updated to v2.4.1. ([#77844](https://github.com/kubernetes/kubernetes/pull/77844))
- addon-manager has been updated to v9.0.1 ([#77282](https://github.com/kubernetes/kubernetes/pull/77282))

* kube-apiserver: the experimental in-tree Keystone password authenticator has been removed in favor of extensions that enable use of Keystone tokens. ([#59492](https://github.com/kubernetes/kubernetes/pull/59492), [@dims](https://github.com/dims))

- Signatures on generated clientset methods have been modified to accept `context.Context` as a first argument. Signatures of generated Create, Update, and Patch methods have been updated to accept CreateOptions, UpdateOptions and PatchOptions respectively. Clientsets that with the previous interface have been added in new "deprecated" packages to allow incremental migration to the new APIs. The deprecated packages will be removed...

- fluentd has been updated to v1.5.1 ([#79014](https://github.com/kubernetes/kubernetes/pull/79014))
- fluentd-elasticsearch plugin has been updated to v3.5.3 ([#79014](https://github.com/kubernetes/kubernetes/pull/79014))
- elasticsearch has been updated to v7.1.1 ([#79014](https://github.com/kubernetes/kubernetes/pull/79014))
- kibana has been updated to v7.1.1 ([#79014](https://github.com/kubernetes/kubernetes/pull/79014))

* kube-apiserver: The `AdmissionConfiguration` type accepted by `--admission-control-config-file` has been promoted to `apiserver.config.k8s.io/v1` with no schema changes. ([#85098](https:/...

- The deprecated `runAsGroup` feature-gate has been removed, since the `runAsGroup` feature graduated to GA in 1.21. ([#101581](https://github.com/kubernetes/kubernetes/pull/101581), [@carlory](https://github.com/carlory))

In addition, support for NVMe disks has been added to Kubernetes, and a service of type LoadBalancer can now be backed with an NLB instead of an ELB (alpha).

### Azure

SIG Azure worked on improvements in the cloud provider, including significant work on the Azure Load Balancer implementation.

### Cluster Lifecycle