Yes, but not all of it. I only have 3 of the issues yet. You're right,the parts of the palace we see seems vast in Future quest. As if the elves have learned to make it into whatever they wish. But the part with Annavi and M'ren in the forest with the giant cats at the end of rebels, I always assumed it was a different planet far away. Annavi says they have to leave, because the palace wont go until everyone is inside. I never though of it to be a place inside the palace.