This version has been compiled with the ucrt64 compiler collection from the msys2 project. Output of gcc --version: gcc.exe (Rev10, Built by MSYSproject) 12.2.0 Tlaunch is small enough to compile with a batchfile, makewin.cmd. If you try to run this yourself, please check that the definition of mingw matches your setup. Siep Kroonenberg, siepo at bitmuis dot nl Groningen, March 2023