From readme:

3.01 Changes:
- Fixed a bug that prevented loading plugins VSH.

3.00 Changes:
- Added support for PSP 3000.
- Improvements in GUI.
- Added update system over the Internet (Wanted host).
- Added system to block the official updates.
- Added new configuration options
- Free UMD Region.
- CFWEnabler Online Update.
- Hide Pic0.png & Pic1.png.
- Use version.txt.
- Fixed a problem that crashed into the console when plugin is not detected.
- Added registry Hacks (Change buttons, Enable WMA, Enable Flash Player)
- Added a menu to set the version.txt.
- Added a menu to set the speed of the CPU (VSH and Games).