Hi Kristian,
You can use RSS to check the forum answers, use this url: https://gdl.graphisoft.com/forums/feed.
As I know, there is no solution in GDL to check the wall’s refline’s side in the current version – so the “flip” option is a known workaround, which is far from perfect in some situations…
Gergely Fehér
Team Leader, Library Team
GRAPHISOFT SE