Sometimes after escaping out of full screen mode and back into it the game, it might have troubles recognising some keyboard inputs. After scrolling and clicking some mouse buttons this usually went away.

Mouse wheel makes large zoom steps, could be a general thing with this game. Also I didn't check whether there is an option to adjust that. I've used the keyboard most of the times. (When placing special tiles, zooming with mouse doesn't work, so you need to know these keys anyway.)