Nano Server in Cloud & Enterprise: https://blogs.technet.microsoft.com/windowsserver/2015/04/08/microsoft-announces-nano-server-for-modern-apps-and-cloud/
• API and developer experience, the techniques based on APISET and the tools for developing or migrating apps and framework to Nano Server platform, including support for Windows debugging tools, Unattended Windows Setup, Chef, Python, Django, Nginx, MongoDB, Ruby, and Node.js.
• Setup and Boot Event Collection, the service for collection of early boot events through the KDNET protocol that allows the diagnostics of the boot and setup issues, particularly for the headless servers.
• Windows Server Apps installer.