Guessing the question. It has come up recently and also there is very long thread on it.
A post here: https://www.gimp-forum.net/Thread-Can-Gi...3#pid43813
and a link to download: http://programmer97.byethost10.com/Files/arrow.zip
Use the arrow_V3.scm for Gimp 3.0
A post here: https://www.gimp-forum.net/Thread-Can-Gi...3#pid43813
and a link to download: http://programmer97.byethost10.com/Files/arrow.zip
Use the arrow_V3.scm for Gimp 3.0