Grasshopper Fillet BUG?

I noticed differences with Rhino’s fillet.

To double check I decided to use python. The python script is ok, same as Rhino. Grasshopper is wrong.

Fillet Bug.gh (18.8 KB)

Thank you for your report, and I have logged this issue to our development engineers.

RH-95526 Fillet: The result does not match the one in Rhino

This is a long standing issue where fillets don’t go beyond the mid point of a curve segment…