CTFtool GUI v3.7 is released. A new version of CTFTool has been release by homebrew coder patpat. In case you're not familiar with the app, this handy homebrew tool allows you to create and convert CTF themes for your PlayStation Portable. The latest CTFTool update is another bug fix release.

CTFtool GUI v3.7 Changelog:
*unpack ptf file (auto associated in windows), but not PTF version from "Custom Theme Converter V1.0.0.0")
*drag & drag support for PTF to CTF conversion,but not PTF version from "Custom Theme Converter V1.0.0.0")
*add batch unpack for CTF files
*add 5.03 conversion
*fixed 500 to 550 conversion failure in English UI
*Fixed text data size not updated after RCO file decompression
*other fixes

Download: CTFtool GUI v3.7