The recentBCH blocksize limit increase to 32 MB is already pushing the limits of what the software can handle. nChain is trying to increase the blocksize up to 128 MB: https://bit.ly/2MSS97Y
There is no "the software". Software development is a competitive part of the POW mining process. The original Satoshi client architecture was not designed to be competitive.
well said. People attempting to compete with Satoshi meet failure, if so smart why didn't they invent/create/give life to a peer to peer electronic cash system??