MergeAllFaces crashes Rhino on simple object (file inside)

This Object freezes Rhino, no RAM movement anymore some cpu… I had it rarely that MergeAllFaces takes a long time on some seemingly simple objects, but this full freeze is the first of its kind:

MFbug.3dm (134.3 KB)

Not sure how much it is worth investigating, but i thought it is a nice to have - not easy to find a simpler failure case for a Command

Hello - thanks, I’ll take a look.

https://mcneel.myjetbrains.com/youtrack/issue/RH-58196

-Pascal

RH-58196 is fixed in the latest WIP