A small mod can be applied to improve the Divide overlay as long as no one objects. (most like Gimp). Old projects can use a previous AppImage to get the previous results. The mod seems to fix the minor imperfections you can see in the following screenshots using the Overlay plugin.

     hhttps://cinelerra-gg.org/download/testing/divide_flowers.png   (Top first layer order)

In both Cinelerra 7 and Current CinGG, look at imperfection on upper right hand corner about 1/3 of the way down where there are 2 small red rectangles. And there are small dark blue squares scattered around in the light blue areas.  These look wrong to me.

     https://cinelerra-gg.org/download/testing/divide_waterfall.png   (Bottom first layer order)

Entire left hand side just looks ugly for both Cinelerra 7 and current CinGG.  I do not think anyone would want this output.

   https://cinelerra-gg.org/download/testing/divide_squares.png    (Top first layer order)

This test is interesting because all 3 look the same with no obvious imperfections.