Nothing official, but it's most likely just a part of it. The data structure changed and how the layers are managed, also the gameplay changed, some 'between' events (like the one with Ann we see in the Demo) added, maybe some stuff removed. I can't immagins how he would do all that until April. Adding everything at once would be a) a lot of work and b) cause for countless bugreports. But I do expect him to add more into updates than in his first attempt or at least release updates more frequently.
Adding dream sequences could be a nice tool to add some lewd content without ruining the story. Sure, this time Max only got to touch something, but he usually dreams about something more, right? In these dreams pretty much anything can happen and would still not break the characters and their development.