@frost19k If comparing installed ISO’s there are two files in /etc that contain this info.
- /etc/desktopfs-pkgs.txt
- /etc/rootfs-pkgs.txt
- Reference: https://archived.forum.manjaro.org/t/what-are-the-files-desktopfs-pkgs-txt-rootfs-pkgs-txt-and-manjaro-tools-used-for/77517
@Shirshendu I see the desktop profiles, but where is the root/base system “profile”. 
It looks like at one time the gitlab tags represented releases, but the last one was v20.1.1 and the current release is v21.1.2. ¯\_(ツ)_/¯
Update:
Found the base files by reading: