There is currently a bug surrounding the DescriptionList component. When rendered, independent of being direction="column" or direction="row", it displays as column. I updated the code to column, then back to row in an attempt to "turn it off then back on again" but with no success.
Edit: I have confirmed a couple times that the code is live on our project. The cards in question have not been updated in weeks/months and all of a sudden this morning US time they changed direction.