On Windows, the binaries coming with version 0.5.5 of the plugin should work also for Gimp 2.8 if you install it into <home>\.gimp-2.8 (instead of <home>\.gimp-2.6).
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
On Windows, the binaries coming with version 0.5.5 of the plugin should work also for Gimp 2.8 if you install it into
<home>\.gimp-2.8
(instead of<home>\.gimp-2.6
).