The Product Idea boards have gotten an update to better integrate them within our Product team's idea cycle! However this update does have a few unique behaviors, if you have any questions about them check out our FAQ.
Ability to color the connector lines to symbolize a path or data. This would help when you have multiple sources into a Join to determine that a path is still the same set of data when you have multiple paths created.
@SergioR That could be helpful to have a quick visual indicator. Another solution that usually works for me is to rename the connection itself. You can do it clicking on the connection line and select a custom name to indicate you further details about it.