The search for points toward a specific community-driven project, likely a M.U.G.E.N or Fan Remake compilation. While "SFmaniac" is a known creator/compiler in the fighting game fan-modding scene, there isn't a singular academic or formal "essay" written about this specific version.
This is what Street Fighter V should have been. This is the Capcom vs. SNK 3 we never got. street fighter x remake 2 final sfmaniac