Found another minor bug. In the Workshop menu, the 'Average Discipline' which determines the efficiency of your workers (and the income that they generate) doesn't update unless you manually completely clear the workshop of workers and then reassign them. Even this only works if done *at the workshop menu*, but NOT when clearing their work assignments through the NPC Menu.
This is not just a display bug, but also negatively affects the income of the workshop. I noticed this when popping into the workshop and seeing that my average discipline was '41', which was correct when I had first assigned my workers, but who all have since had their discipline trained up by slavemistresses into the high 70's.
Not sure if this is relevant to the bug as I have not tested it further with other locations, but my workshop is built on the external lot in Speaker's Square.