I mentioned in the past when someone asked if it would be possible to bring back the dialogue from the older games that it would only be possible to do if F4SE was worked on seriously (because back then it was just a very limited thing, it couldn't do anything to be honest), then the F4SE people moved to Skyrim SE Script Extender and delayed it even more, but then some of the SE team came back to F4SE and finally implemented stuff to allow that.That's seriously nice. There were rumours that the limitation to four dialogue options was more or less hardcoded into the game. Also, never heard of Fallout: Cascadia, looks interesting, I'm gonna keep it in mind. Maybe it will motivate me to actually play Fallout 4 again.
Cascadia also has skills like in the older games . They seem serious about making a quality project (IIRC their team has more than 100 people working on it and like 15 writers).