He wouldn't go into detail on these extra changes, and also allay fears that 1.9 was all about the flying beast. "...this isn't all I'm doing for 1.9... not by far," Adams continued.
now owns and Minecraft, but it seems they're playing it smart and letting the developer get on with what they do best. If you've already slain the mighty dragon then not to worry because "I'll let you kill him again in his new form without resetting The End," added Adams.
I am redoing the mechanics to be similar to how it is on Console Edition, but I'm taking it a step further. I have Plans™.— Nathan Adams (@Dinnerbone) January 22, 2015