It would appear that Fire Emblems slow take-your-turn battle mentality has seeped into Nintendos publicity machine as Goddess of Dawn begins a news offensive after a long period of waiting.
Maybe this is overstating things a bit, for what we see in these newer screenshots is less of a radical game engine overhaul war charge and more of a light spear-prodding as elements are tightened and dressed up. Visually the game is striving to step away from the rather play-board-ish flat battle grounds