Today's update adds ability to zoom in/out on the world map screen. You can use mouse wheel to do it or pinch if you have touch screen. Similar zoom ability is in the works for actual game as well.
Additionally we have redesigned perks screen to make icons bigger and more prominent and easier to click (which is important if you have small screen like mobile phone)
Also there are numerous minor improvements like selection icons on the side of hero and alliance screens, different item categories selector on hero tab and small tweaks in other places, too numerous to mention.
The update was uploaded for browser version as well.