Changes of this version include:

New: added IP Virtualization function.
New: added queuing mechanism to avoid black screen when multiple users connect to host simutaneously.
New: added sound options to inform administrator when client device disconnects / logs off from server.
New: added Spanish language.
Improved: remote USB devices can be authorized for access according to device types.
Fixed: fixed the problem of audio not working on Windows 10 1709.
Fixed: fixed the bug that in domain environment local accounts cannot be selected by default during login.

You can overwrite the installation files to update. But note that users will be disconnected during update and system reboot is required when update completes.