Not necessarily. The main BTC software has already changed a few times over the years, and nothing prevents it from changing again. If the BTC maintainers and m

Not necessarily. The main BTC software has already changed a few times over the years, and nothing prevents it from changing again. If the BTC maintainers and major miners would agree, they could very well push this change. The same way they decided to stop expanding the block size, for example. The forks were the result of a split in the community. Not every change actually results in a fork.