TIG gave you the right information about the membership.
@dhlscape said:
The PathCopy extension in the SU warehouse is not compatible with my 2021 version
It may not be listed as compatible but it works just fine in SketchUp 2021.
[image: x6Um_copy.gif]
@dhlscape said:
but sketchUcation has a JHS Powerbar plugin called Copy Along Path that I'd like to get.
FWIW, Copy ALong Path is available separately, too.