Ziproxy 可以压缩图像转换到低质量JPEG文件或JPEG 2000和压缩（ gzip或） HTML和其他文字样的数据。同时它还提供 HTML/CSS/JS 的优化，主动的主机名称解析，透明代理等。
1. IP ToS support (L7 HTTP QoS) was added.
2. Internal 32-bit limitations were eliminated for file size and time counter.
3. UID/GID and PID provisions were added for daemon operation....
4. A limiter was added for simultaneous connections.
5. A new error/warning system with more verbosity is used.
6. libpng 1.4 compilation problems were fixed.
7. General code cleanup, improvements, and bugfixes were done