Given that the writers and cast knew before the season started that this would be their last, I am hoping they don't just leave things hanging. But I am not a fan of the Aiden-Sally pairing. I was ok with it in the alternate timeline, but Sally retained her memories and brought it into this timeline which bummed me out. I think the show works better with the three as friends.
I have no idea how it will end but what I'm hoping happens is that Josh and Nora find some happiness, Sally gets her door and Aiden dies. I like Aiden, but I really can't see any other end for him that makes sense.