The stacked view when sorting timeline really messes things up

Suddenly when I sort my timeline according to assignee the view automatically stacks itself, like a watershed. This is incredibly uncomfortable, we would much prefer the previous setting, when the work stretched horizontally, and we could just scroll horizontally to see what’s next and to see everybody’s tasks for the day right under each other. Can that be reverted? Or can we choose whether we prefer our view stacked or stretched horizontally? That would be great.