Inkscape has a bug in dxf_outlines.py which gives endless 100% CPU load then you try to export your SVG to DXF with --ROBO=true (often used for laser cutting).

Inkscape has a bug in dxf_outlines.py which gives endless 100% CPU load then you try to export your SVG to DXF with --ROBO=true (often used for laser cutting). This bug is there for almost a year and nobody cares to fix it, instead they are self pleased with icon shuffling all the other release.