I'm not sure whether this is one or two bugs, but the problems are manifesting like this: 1. A friend shares an "owner" link with me, but I get only "read & write" permissions. When I hover over the share button, it's greyed out and says, "Only an owner may share an advanced folder." 2. I add a folder, but my only share permissions available are "read only" and "read & write". I've got six shared folders, but in fact only the first one lets me share "Owner" permissions.