The main thing that would make a patch large is map files. Huuuuuuuuuuuuuuuuuge .png files. 0.58's map.wz is almost 400MB.
I'm not sure if 27MB if enough for a whole new zone, although I don't really know much about CWK.
I'm not sure if 27MB if enough for a whole new zone, although I don't really know much about CWK.

