[$] Gnuplot6 comes with pie

Gnuplot6.0 was released inDecember2023, bringing a host of significant improvements and newcapabilities to the open-source graphing tool. Here we survey the majornew features, including filled contours in 3D, adaptive plotting resolution, watchpoints, clippingof surfaces, sector plots for making things like pie charts, and newsyntax for conditionals in gnuplot's scripting language. In addition, therearedetailed examples of the features described.