In case you decide to design your own plug-in, another useful page can be found at http://www2.ai-lab.fh-furtwangen.de/~bless/the-gimp.html. This site, maintained by Marc Bless, has pointers to the

project. This is a prerequisite for adding non-destructive editing planned for v3.2. There are many benefits from using GEGL, and some of them you can already enjoy in GIMP 2.10. High bit depth support allows