This build represents a for Windows Server 2016, released as part of Microsoft’s “Patch Tuesday” (April 11, 2017). It is not a new feature release but a security and quality rollup. The build number reflects the updated system file version after applying the April 2017 cumulative update.
For global enterprises, the En-US version is often the preferred base image, as it serves as the lingua franca of IT operations and ensures compatibility with third-party management tools (e.g., SCCM, Ansible, PowerShell scripts) that expect English error messages and event logs. Windows Server 2016 Build 14393.970 En-US April 2017