https://mcneel.myjetbrains.com/youtrack/issue/RH-92376
This stuff is hooked up now and will be in the next public build of 9.x. Look for Mesh.MatchEdges. Let me know if you see anything that isn’t working right.
Cheers, Tim
Thank you Tim! I’m going to try and using it
RH-92376 is fixed in Rhino WIP