There is a vendor for panels (42 WS2801 pixels) who says that Nutcracker is working on a way to do that.
Time will tell. I'd bet that it happens eventually.
I know that I have two horizontal panels (40 x 12) that I currently must put "one above the other" to work with xLights.
If the panel choice happens, I could set them end to end, giving me a 80 x 12 matrix instead of 40 x24.
The answer is yes to both questions.
I will be working for matrices to start in all 4 corners (upper left, bottom left, upper right, bottom right).
I have one of the Seasonal Entertainment 7x6 matrix panels. 43 ws2801's. I want to make it so you can build a matrix out of smaller matrices. I hope to have the seasonal matrix panels supported by the academy in july.
probably the being able to wrap from teh four corners would also be done by then.