Created attachment 181250 [details] sample file Documentation: https://www.w3.org/TR/SVG11/filters.html svgio filter doesn't support <filter> nor the filter primitives. See documents attached
Created attachment 181251 [details] another sample document
Initial work in https://gerrit.libreoffice.org/c/core/+/137021 For the moment, i don't plan to work further on this. Anyone is free to take my patch and work from there