Tcl/Tk 8.5 已经发布 5 年了，今天我们发布了 8.6 稳定版来替换它。
下载地址：http://www.tcl.tk/software/tcltk/download.html
Tcl 8.6 改进内容：
Object Oriented Programming
Stackless Evaluation
Enhanced Exceptions
Batteries Included
Thread-enabled Operations
SQL Database Powered
IPv6 Networking
Built-in Zlib Compression
List Processing
Stacked Channels by Script
Additional New Features
Tk 8.6 改进内容：
Built-in PNG Image Support
Busy Windows
New Font Selection Dialog Interface
Angled Text
Moving Things on a Canvas
Additional New Features
完整记录和描述请看 http://wiki.tcl.tk/21276
来自:开源中国社区
