All library staff have been subscribed to ulms-announce@lists.calstate.edu (see archive). This is a "push" only listserv, where the implementation team send announcements for the project.
All library project managers are also subscribed to ulms-pm@lists.calstate.edu (see archive).
Otherwise, each Working Group has a listserv where they can that any interested library staff can join to discuss issues related to their functional area:. All listservs are also archived and can be searched.