It also switches to a merkle hash per-file and specifies that each file is aligned to the start of a piece, and the size of the last piece of each file matches the amount of remaining data.
This means in large multi-file torrents you don't have to download (and store) the two extra 1-4mb pieces at the start/end of each file anymore.
This means in large multi-file torrents you don't have to download (and store) the two extra 1-4mb pieces at the start/end of each file anymore.