Новостите спрямо Бета 3 версията са:
- Possible work-around for some CSAPI spell checking dictionaries
- Folders were not correctly created automatically when a message-based filter was created (Specials|Create filter)
- Even Quoted text color/style was not remembered
- Some cosmetic fixes to the new preferences dialogue
- Windows plain text editor now wraps text in a more comfortable way
- SmartQuoting algorithm is improved a bit