Added a tool to draw polylines in the plan with various styles.
Added the ability to display baseboards with wall and room modification panes.
Made levels possibly not viewable with the new Viewable check box of their modification pane or with the new Make level unviewable menu item.
Managed levels at the same elevation as layers with an order index that can be set in levels modification pane (may provoke some small changes in existing SH3D files).
Added Edit > Paste style menu item to modify the style of the selected objects from the object of the same type copied in the clipboard.
...See Full Release Notes