Discipline gain through sources, at least other than “Explain:Chores” seems to be bugged in 0.8.3h
Could be I’m just immensely unlucky, but I’ve got a couple of important slaves I’m improving as mistresses and they’ve been locked onto 38 and 60 discipline for ages now despite, fully upgraded horse riding, high affection and happiness…
Also a minor bug is that the “inventory” button on the followers menu is not working, so the player needs to go through the full-blown NPC screen