I don't wanna get into what you'll find in 2.7 too much, as it's rather... climactic, I guess? Let's just say that, hey, maybe you can enter the tower. Maybe. So, y'know, start collecting those keys.
2.8, by contrast, is light on new material. That said, it can be summed up in one word:
Lots of 'em. Yay! Go to Patreon for oodles of drippy, drippy cum! Because, like, you all love the stuff, right? Right?