- New image download manager
- Added a visual indicator for loading message lists of IMAP folders
- Color groups can be assigned to IMAP messages
- Improved certificate chain building for X.509 in S/MIME and TLS
- IMAP. Partial message loading
- IMAP. Loading of remotely stored attachments
- "Resend to" action added to support both local and remote attachments
- Excel compatibility option added when exporting contacts in CSV format
- Graceful server disconnect for IMAP
- An account option to not use filters on IMAP in the "IMAP fine-tune" section
- It's now possible to search for RegExp and other The Bat!-specific criterias in IMAP folders and in offline-mode (in cached messages only)
- IMAP connection is now monitored mostly like in versions prior to 5
- It's now possible to define colour and text style for Quick Search tabs
- Information about selected/total and filtered messages is now displayed on status bar in the main window and message viewer
- It's now possible to print from SmartBat
- Better decoding/encoding of some badly-encoded national characters, The Bat! now uses smarter recovery algorithms
- Better display of unknown attributes of X.509 certificates
- Remove thread start/finish debug messages from the "ex_log.txt" file
- Getting folder contents was reorganized
- IMAP folder can be specified (and created if needed) as destination of filter
- Folder download options was reorganized
- Pop-up menus of IMAP accounts/folders was reorganized
- Cosmetic changes in IMAP download tab
- IMAP related account and folder properties was reorganized
- Redesigned IMAP folder manager
- Plugin API. Refined handling of before/after filter events
- %AttachOriginalFiles macros is now supported in all auto-generated messages (not only forward)
- IMAP message bases are now stored in a separate "IMAP" folders to prevent troubles when the user switches back and forth between versions 4 and 5 of The Bat!