This is a major update as now the Docker daemon runs as a Windows process, not as a Linux process. One VM/container is also a huge change. Before this, you had

This is a major update as now the Docker daemon runs as a Windows process, not as a Linux process. One VM/container is also a huge change. Before this, you had to manage a single VM that runs all the containers, allocate memory and CPU for that whole VM, assign Hyper-V virtual switch(es) to that VM. Basically this intends to bring Linux containers to Windows Server.