> As far as I understand Minecraft stores the chunks a player visits so that if the generation changes the chunks you've already visited stays, and it becomes a

> As far as I understand Minecraft stores the chunks a player visits so that if the generation changes the chunks you've already visited stays, and it becomes an issue of solving boundaries. I don't know what Minecraft does there... Last time I've played in a world spanning multiple Minecraft versions, there were clear discontinuities (steep cliffs, minor water and lava floods) between areas that used different generators.