OK, so yesterday when the update was released, there were several people that reported the problem with their mat being made of rectangles instead of squares. I need to give a shout out to Cindy Cade for this! I was kind of messing around with this, when she e-mailed me this suggestion, so THANK YOU CINDY! I should tell you all that this is not the ideal solution, but it is something that we can do while we wait for the next update!
So far, I think this only applies to laptop users that have a widescreen monitor, which is exactly what I use! Here is what I see when I open the program and I have it maximized on my screen.
The first thing I do is minimize the screen. Now I take my cursor and place it over the right side of the screen until I get my cursor to look like a double ended arrow. From there I drag my screen towards the center of my screen until I am happy with the size of the squares, and here is the result.
Clearly this is not ideal, because we are simply eye-balling the squares, so I really hope that Craftwell can fix this for the next update.