Improved mechanics and gameplay: New features, such as Caravans and a random map generator, allow players to have unlimited replay options and an even smoother gameplay experience. (metacritic.com)
(Personally I do value a higher framerate and smoother gameplay experience over 4K support but we will evaluate and cross that bridge once we get there.) (thisgengaming.com)
High Framerate, pushes the framerate above 30 fps at 1080p with a target of 60 fps for an even smoother gameplay experience. (wccftech.com)