Our UI allows changing of usergroups only by modifying usergroups. But if developer use something like
user.usergroups = 
cache is not updated. I found this during testing external groups sync by apache module which uses this way.
Created from redmine issue http://projects.theforeman.org/issues/6117
Upstream bug assigned to email@example.com
Moving to POST since upstream bug http://projects.theforeman.org/issues/6117 has been closed
tried modifying usergroup after creating it
This was delivered with Satellite 6.0 which was released on 10 September 2014.