Thanks for sharing — I can understand the benefit of making Discourse feel more familiar to your users who have become accustomed to how chat works in Slack. Change is hard and new can be scary, so it makes sense that you’d want to do what you can to ease this transition.
I think it depends on your sense of urgency. I feel comfortable saying that will add threads to DMs but I can’t promise when that will happen. Let me touch base with my team though…this one has been on our minds for a while and this might be the nudge we need to knock it out. I’ll check back in next week.