Tcl/Tk 9.0, released 27 years after Tcl 8.0, introduces 64-bit compatibility, enhanced Unicode support, and new features. Tk 9.0 includes scalable vector graphics and better platform integration, as well as many other features and enhancements.
https://alternativeto.net/news/2024/10/tcl-tk-9-0-released-with-64-bit-compatbility-unicode-and-svg-support-and-much-more/