Linux.com - https://www.linux.com/news/whats-new-kubernetes-containers
The latest version of the open source container orchestration framework Kubernetes, Kubernetes 1.9, brings to the container-orchestration framework both full-blown and beta-test versions of significant new features:
The general availability of the Workloads API. Beta support for Windows Server. An alpha version of a new container storage API What’s new in Kubernetes 1.9
Kubernetes 1.9 was released in December 2017.
Production version of the Workloads API