Thank you for the great work, both the Nethserver team as well as the community for providing so many additional apps. NS8 is becoming more and more attractive 
What I would wish for in future releases is:
- proper support for NFS as data store (e.g. nextcloud data directory, mail store, …) ideally with UI, as discussed e.g. here: Mount NFS share for NextCloud data - #7 by PerpetuumMobile
- better support of Active Directory, e.g. management of DNS, mgmt. of OUs, moving users/groups/computers into OUs, taking over DC role for existing AD, exposing a second DC to outside the cluster, …