Does anyone know what happened to the old way to colour markers like arrowheads?
" Extensions > Modify Path > Color Markers to Match Stroke."

In 0.91 for MAC I can't find it in the menu... Did the procedure change?

Very old thread, but I have the same problem as Andrzej in stretching diagrams (like circuit schematics and flowcharts) to insert more elements without an incredibly large number of clicks, and thought I could help illustrate this further for the benefit of Inkscape's schematic users everywhere. So ...