I just saw a video about what changes are made in A21:
https://www.youtube.com/watch?v=kuTvWxt4hGM
And I have to say: I don't like it at all, waiting for things to actually get better or make any sense. After nearly 10 years you clearly have no idea where you want to go with this game, making weird changes just for the sake of changing anything. I just signed up to tell you this.