Hello,
Using DISM is a possible to get all the Features of a Windows image in a .wim file.
dism /Mount-Wim /WimFile:"<path_to_wim_file>" /index:<index_number> /MountDir:C:\Mount
dism /image:C:\Mount /Get-Features
https://www.youtube.com/watch?v=Uj_q-Pdm4uY
How these Features stored in .wim files and how to use wimlib to access it ?