The version 2 of the Vector path is available in the Downloads section.
Currently, only Gimp 2.7+ is supported (will take me a few days to get the 2.6 version out, too busy at the moment).
Changes from v1:
Changed plugin dialog
Added multiple strokes with offset, rotation, scale
Formula Viewer helper app updated
For feedback, bug reports etc. for this version, use the comments section below.