6.0:

- NetWorx is now commercial software. To facilitate its further development, we introduced a licence fee.
- Added remembering height and width of the usage window.
- Added attaching usage report when sending e-mail quota notifications.
- Fixed several memory leaks in connection monitor and NetStat.
- Fixed a few issues with high DPI systems.

6.5.11500.30514:

- Added new authorization agent for terminal servers that allows clear identification of TCP and UDP traffic of terminal server users.
- Improved VPN performance and stability, added ability to asign static IPs for VPN interface.
- Improved web statistics module.
- Fixed errors when working with MySQL database.
- Improved server's stability.

3.9.3:

- SSL improvements, including SNI support.
- Bypass Domains in Proxy Settings supports wildcards on domains again.
- Charles automatically detects a headless environment and runs in headless mode (such as Linux command-line).