Current stable is 0.9.5 https://sourceforge.net/projects/tcl3d/files/Official%20Releases/Tcl3D%200.9.5/ Changelog (from https://sourceforge.net/p/tcl3d/code/HEAD/tree/trunk/Readme.txt) Version history: Version 0.9.5, released 2022/04/17 Maintenance release. - Enhancements / New features: + GLEW updated to version 2.2.0. + Gl2ps updated to version 1.4.2. + Corrected SDL wrapper to work with SDL2.0.20. SDL_thread not wrapped anymore. + Regenerated tcl3dOglHelp.tcl with links to Khronos sites. - Demonstration programs: + Added two new demos. + Cleanup of obsolete demos and corresponding images. Version 0.9.4, released 2019/12/28 Maintenance release. - Enhancements / New features: + Added new procedure tcl3dPhotoToFloatVector. + Added new procedure tcl3dGl2psCreateFile. - Bug fixes: + Corrected procedure tcl3dVector. Version 0.9.3, released 2018/05/01 Major rewrite and integration into BAWT build framework. - Enhancements / New features: + Tcl/Tk 8.6 now used as standard Tcl version. + GLEW version updated to 1.11.0. OpenGL support now up to 4.5. + Gl2ps updated to version 1.4.0. + Added new sub-module tcl3dGeoMath for geographic conversion routines. + Added source for application OglInfo. + New or enhanced utility functions: - tcl3dVectorToPhoto2: New function, which keeps track of the scanline order of the input vector. - tcl3dPhotoFromVector: New function to create a Tk photo image from a Tcl3D vector. - tcl3dReadImg: Added new optional parameter ignoreAlphaChannel. - tcl3dGetBooleanState: New function to query a boolean OpenGL state variable using glGetBooleanv. - Bug fixes: + Corrections in Togl needed for Tcl 8.6 related to Unicode handling. + Fixed function tcl3dOrtho. - New demos: + Added Tcl3D Demos of the month 01/2011 till 02/2012. - Build environment: + Changed build environment to CMake.