I think it is the first official release:
Epix System (WebUpdater) software version 2.00
as of April 16, 2015
Use Garmin Express to install this file.
(6.05 MB)Code:http://www8.garmin.com/support/download_details.jsp?id=9041
View system requirementsCode:http://download.garmin.com/software/EpixSystem_WebUpdater__200.gcd
System requirements
IBM-compatible PC running Windows XP or later operating system and an available USB port.