Currently, I'm working on more companion dialogue. I can't believe I never bothered taking my companions to Solsthiem before! The dialogue is a mess, because all the Bloodmoon npcs have nolore scripts so none of the dialogue is filtered for it! UGH! I'm writing responses for all the unfiltered regional dialogue so that my companions don't sound like crazy people the whole time you're traveling there. I'm having a bit of fun with it though, so the time spent on this is worth it.
Also, they now have weather based dialogue, and Sara and Gavyn will complain incessantly about the snow.