This is a known issue with the exclusive paths. I posted a fix in the original release post, but that hasn't been shared here, unfortunately.
Here's the fix:
So if you have asked Rachel, Bella, Liza or Susan to marry you during the night of Day 144 you might run into trouble with this release. To fix it you can load a save just before the proposal, or set the variable via the console (Shift + O). These are the relevant variables:
r_marriage=True
l_marriage=True
m_marriage=True
b_marriage=True
The lack of feedback might be a positive thing, because it means the changes weren't that controversial. I for one am very happy with the changes you've made and I've heard some positive notes about it on my Discord too. The only thing that's often request is a pregnancy option, so if you can make it work via a mod, I'm sure people would be very happy.