When you make a circle around a hole for a fasten bolt and then make "Copper fill" everything is ok. The area inside the circle is not filled, but when you run the autorouter after making some other changes the area in the circle is filled with copper too. So you have to do it again. Maybe it is another way to do this that I don't know of yet?
Brand new interactions and interfaces. 
Easy to use and quick to get started. 
