Comment 2 for bug 1517824

The reason for this is that version.yaml will be deprecated (and removed) soon. There have been merged about 10 patches that re-work all the places where this version.yaml is used. One of them is still on review. Nailgun now gets the information which is available on /api/version from a set of various places including /etc/fuel_release /etc/fuel_openstack_version /etc/nailgun/settings.yaml.

As for feature_groups, this parameter can be changed using fuelmenu. Fuelmenu puts settings into /etc/fuel/astute.yaml and when you run puppet, this parameter is put into settings.yaml. By default "experimental" and "advanced" feature groups are enabled and "mirantis" is disabled.