hi, there seems to be no "color_variance.desktop" file in the zip folder. the "color_variance" folder contains 4 python files (2 in a subfolder) and nothing else, no readme either.
@gnashingmaw: Here you can download my fixed version of it: https://mega.nz/file/GtUgGLTZ#6QBtBDmNL6yd5CJaDFrPHPpyRJvcjgB_BRZnyJtdBtA
Have fun!
@Noxur, seems to be a nice plugin!
Michelist