When you add reference objects to a length- or cross section, the color, style and line width can now be set to "Referenced". In this way, the attributes in the profile are connected with the attributes in the drawing. When you change these attributes in the drawing, you don't have to change anything in the profile.
Of course, it will still be possible to choose a standard line style, or choose your own library linestyle that deviates from the referenced style.
You'll see the result on your profile: