Based on the number of hard pulls they did and the fact Azalin's roaming around as a "Hey you can meet him" NPC while his realm cracks from whatever latest "Get the hell out of Ravenloft" plan he has cooked up, along with adding in a whole mini-domain for the "Cyre got sucked into Ravenloft" theory indicates, yeah, they do
However, let's be completely honest here? A lot of old Ravenloft is bad. There's only so much you can do with "Hey here's a horror movie from the 70s with no pop culture impact that's basically been forgotten by time" or "You wanted to play your characters? Tough, you're all marionettes now" or "Man this is just racist and will not fly in the 20s". Thankfully its Ravenloft which has, ever since its origin, had a reason made solution for all that in "The Darklords got bored and changed things up".
Even the best remakes change things from the past. The Thing is a remake of Thing from Another World, but everything is different outside of "A UFO is found and people are isolated in the frozen wilderness trying to deal with the resulting alien who has a weakness to fire". The place each one is in is even different