Created attachment 162731 [details]
Difference previewing the same symbols between Inkscape and Krita

Hi there,

I use a lot symbol libraries in Inkscape and I tried to import them in Krita, but I found that the preview icon is very poor resolution. My custom libraries are SVG files made with Inkscape. They are fully compatible and recognized instantly by Krita, the only problem is the quality of the preview which is so poor that does not allow to recognize and use symbols. 

This is not the case for the default symbols in Krita (like Word Balloons for instance).

In the file attached you will see the exact same SVG file previewed by Inkscape (left) and Krita (right).

I noticed a little improvement by resizing symbols.
It seems like for some reason the thumbnail that Krita takes from the SVG symbol file is related to the size of the original path in Inkscape. The bigger the symbol is, the bigger/defined the thumbnail will be. But even making them massive, the preview is very poor for productions use. 

SOFTWARE/OS VERSIONS
Krita 5.2 on Linux Fedora