# 1.16.2-do.3

DigitalOcean Kubernetes (DOKS) is a Kubernetes service with a fully managed control plane, high availability, and autoscaling. DOKS integrates with standard Kubernetes toolchains and DigitalOcean’s load balancers, volumes, CPU and GPU Droplets, API, and CLI.

- Upgrades to system components:

  - Updated to [CSI driver v1.2.0](https://github.com/digitalocean/csi-digitalocean/releases/tag/v1.2.0)

    - Added support for volume expansion
    - Added support for raw block volumes
    - Added support for volume statistics
    - Various improvements and bug fixes
    - Updated to [external-provisioner v1.4.0](https://github.com/kubernetes-csi/external-provisioner/releases/tag/v1.4.0)
    - Updated to [external-attacher v2.0.0](https://github.com/kubernetes-csi/external-attacher/releases/tag/v2.0.0)
    - Installed [external-resizer v0.3.0](https://github.com/kubernetes-csi/external-resizer/releases/tag/v0.3.0)
  - Updated to [DO CCM v0.1.22](https://github.com/digitalocean/digitalocean-cloud-controller-manager/releases/tag/v0.1.22)
- Added `PodDisruptionBudget`s for managed kube-system applications to [avoid blocking the cluster autoscaler (CA)](https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/FAQ.md#how-to-set-pdbs-to-enable-ca-to-move-kube-system-pods)