Hi, there is a new release 6.0.0 of Therion. Release notes: v6.0.0 Therion 6.0.0 (2021-07-13): therion: * support for colour models: cmyk, rgb, grayscale (see the color-model layout option in the Thbook) * support for colour management (see the color-profile layout option) * support for linear and radial shading (colour gradients) in MetaPost (withlinearshading and withradialshading options) * support for smooth colour transitions of scrap backgrounds in PDF maps if the map-fg is coloured by altitude * added smooth-shading <off/quick> layout switch – quick is the default * reimplemented internal processing of patterns and transparent colors in MetaPost (incompatible changes: the drawing option 'withtransparentcolor', macro 'def_transparent_rgb' and predefined transparent colors tr_bg, tr_white, tr_black were removed; use the drawing option 'withcolor <color> withalpha <number>' instead) * reimplemented conversion of MetaPost output to PDF * support for double number system in MetaPost (this eliminates the current MetaPost limits; see the chapter Limitations in the Appendix of the Thbook) * tex-refs-registers <on/off> initialization file option added (see the chapters Initialization files and Limitations in the Appendix of the Thbook) * support for LuaTeX as an alternative to pdfTeX * support for relative paths in TeX (\inputrel, \savepath and \loadpicture) and in MetaPost (inputrel) * updated Serbian translation * bugs fixed: - symbol-hide,show,color not working for user defined symbols - ISO8859-2 literals in the source code caused clang warnings - removed unnecessary SOURCE_DATE_EPOCH in the thbook Makefile - fixed numerical instability in l_overhang_SKBB - swapped anastomosis & karren symbols - no station scrap continuation list [#333] - fixed arrows flipping [#245] - colour preview-above doesn't work [#90] - KML export fix [#84] - p_smartlabel fails with a picture argument - other minor fixes * included {fmt} library * updated shapelib loch: * Tools→Selection – only displays selected surveys * bugs fixed: - missing title - autorotation issues infrastructure: * support for CMake builds (thanks to Matěj Plch) * C++14 required * use Github Actions to create Github releases Best regards, Therion team