Diablo IV will not have yearly expansions, according to general manager Rod Fergusson.Fergusson wants the game to be around for years, but is cautious about making long-term promises like 'eternal' gameplay.Maintaining transparent communication with players is a priority for Fergusson, even if it means ruining surprises for a few.March 4th's update for Diablo IV brings changes to classes, items, and Season of Witchcraft mechanics.