Honestly, I haven't touched A version since they added the caterpillar area with like 3 bosses-- which was probably years ago.
Has it changed much?
He's releasing a lot of the remade enemies on Fantia.
In fact just recently, the monkey girl first boss got remade, and she feels like an actual boss now.
That being said, new FOBS still doesn't feel like a game. It's got a lot of bugs, and there is 0 progression.
I will say that the new girls he's added are fantastic though.
Monkey also has a new temptation missionary animation. Nurikabe is a new monster that has an amazon sex position animation. It's not his best amazon position, but it's one I'm excited to see in the game. After she leads the MC to a creampie she spends almost no time getting going again.
Again, the fantia version of the game isn't really a game right now. At best a glorified cg gallery and it wasn't until very recently that the monkey fight got added in which is the only gameplay in the entire thing.