This build is based on original MSDN images. The following languages ??were integrated: English and Russian, integrated updates as of February 21, 2019, and also included .Net Framework 3.5 (including 2.0 and 3.0). The system is completely on the original installer.

Versions of Windows on ISO:
Windows 10 Home Single Language - English
Windows 10 Home - English
Windows 10 Home N - English
Windows 10 Pro - English
Windows 10 Pro N - English
Windows 10 Pro Education - English
Windows 10 Pro Education N - English
Windows 10 Pro for Workstations - English
Windows 10 Pro N for Workstations - English
Windows 10 Pro Single Language - English
Windows 10 Education - English
Windows 10 Education N - English
Windows 10 Enterprise - English
Windows 10 Enterprise N - English
Windows 10 Enterprise for Remote Sessions - English
Windows 10 Enterprise 2019 LTSC - English
Windows 10 Enterprise N 2019 LTSC - English

Windows 10 Home Single Language - Russian
Windows 10 Home - Russian
Windows 10 Home N - Russian
Windows 10 Pro - Russian
Windows 10 Pro N - Russian
Windows 10 Pro Education - Russian
Windows 10 Pro Education N - Russian
Windows 10 Pro for Workstations - Russian
Windows 10 Pro N for Workstations - Russian
Windows 10 Pro Single Language - Russian
Windows 10 Education - Russian
Windows 10 Education N - Russian
Windows 10 Enterprise - Russian
Windows 10 Enterprise N - Russian
Windows 10 Enterprise for Remote Sessions - Russian
Windows 10 Enterprise 2019 LTSC - Russian
Windows 10 Enterprise N 2019 LTSC - Russian

What's New:
February 21, 2019—KB4482887 (OS Build 17763.346)
Unfortunately, I cannot find the official change log for this patch. According to users' observation on the Internet, the update might resolve an issue with the Action Center. There is a known bug that makes the Action Center pane appear on the left side of the screen. The bug has been already fixed in 19H1 builds, so today's update might include the same fix for stable branch users.