Hello,
I'm wondering if other using Inkscape have experienced this:
I have the problem that if you apply effects to your image(s) it doesn't show up in Plasma 5 or 6. It works on any other DE's. Tested in Gnome, XFCE, Deepin, Mate and Budgie.
An example:
I put blur as shadow on my icon in Inkscape: It look like this:
When displayed in Plasma 5 or 6 it comes out like this: