Я совсем не разработчик, но поскольку они безмолвствуют на форуме (и видимо правильно делают, поскольку занимаются другим делом - разработкой), то приведу Changelog взятый с другого ресурса.
What's new in The Bat! Voyager 5.3.6.1:
January 14th, 2013
· Stack overflow when trying to parse malicious or malformed HTML with too many nesting tags
· (#0000014) Wrong timezone offset in header of new message if "(GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London" timezone is used and it's daylight saving time
· System folders (like Inbox, Outbox, Trash, etc) can now have their own settings for templates, deletion etc.
· Profiles for refiltering a folder
· Filter action to add/delete addresses to/fr om address book can extract target addresses fr om message body with template
· If files were dropped onto an Address History item, the editor uses the correspoing e-mail address as the destination
· Some visual fixes in "View Mode Setup"
· "Resend" message action must use "Delivery type" option in "Account Properties" to send message immediately or put it in Outbox
· "-ERR Invalid command" response from POP3 server when trying to open message in Message Dispatcher
· Empty lines are now correctly appears in POP.log
· Empty lines are now correctly appear in SMTP.log
· Access Violation when trying to save attachment with drag&drop from message opened from disk file (anti-virus check enabled)
· It is now possible to quick search folders in the folder selection dialogue
· Application freezes when doing mass mailing of big messages
· Nickname (Handle) from Address Book can be used in TO parameter of /MAIL switch in command line
· Nicknames (Handles) from Address Book are automatically expanded when used in address macros (TO, CC, ...) in templates
· Problem when coping/moving several messages between folders of the same Gmail account
· Double clicking on a list column separator expands column to fit its contents
· File selection dialog used main form as parent window on WinXP (hiding current window - message editor or address book)
· Memory corruption if Message Finder was closed when searching is in progress
· System Hotkey "Open MailTicker messages" didn't bring opened message to front on Windows XP
· Folder set tabs in the folder selection dialogue
· When account is creating by selecting folder in MAIL folder then account name and home directory are automatically filled
· Image contents is used to determine real image type (for example, name has PNG extension but there is GIF image inside)
· Possible deadlock when updating counters for IMAP folder
· (#0000058) 5.1.6.9 Attached graphics no longer show as tabs
· Option to wrap test in "Plain text (Windows)" editor
· (#0000059) Certain Graphics cannot be accessed with the tabs
· Possible access violations related to logging subsystem
· The Bat! could report errors on some received S/MIME messages that were encrypted by weak keys
· (#0000041) The option to confirm deletion of a message group was ignored
· Image tab cannot be selected if image is damaged or has invalid format
· Some images were fixed (logotype and etc.)
· Plug-in notifications are more resistant to plug-in errors
· The "/OP:" command line parameter (for invoking folder maintenance tasks) was not functional
· Internal HTML viewer cannot correctly display messages in Japanese charset
· Some IMAP servers (g.g. Zimbra) could not tolerate the ID command to be sent simultaneously with Login
· Edition Type (Home/Professional) wasn't displayed in the about box.
· Fixes for Mail Dispatcher list/header view size and list font
· When a sub-set of folders was restored and those folders didn't exist already, they were created under the account's Inbox folder
· highlighting of the iecm:// protocol in URLs
· Not all Google contacts are imported in address book
· Changed Character Sets (XLAT) ware not stored (Options > Preferences > Other options)
· When editing character set "Translation FROM Windows" cannot be saved (Options > Preferences > Other options > Character Sets (XLAT))
· When an HTML message was loaded for editing, viewer options were used
· Photo of the recepient is shown (if available) for messages in the Sent and Outbox folder
· Quick Reply feature is now available from the message Preview Pane
· Quick Reply some cosmetics fixes
· Inline images for HTML formatted messages were not shown if system HTML was used
· Fixed "Error reading xtSigners.Options: Invalid property value" when verifying S/MIME messages
· Text fixes was made in Quick Reply
· Cosmetic fixes at The Bat! Preferences (Html Viewer)
· Added support for PGP 10.0.2
· Fixes in the Html Viewer form (description of the settings were not visible)
· AV when closing "Sel ect folders" dialog for virtual folder (if there isn't selection in folder tree)
· Automatic yahoo.co.uk settings have been implemented
· When Microsoft CryptoAPI implementation was used for TLS, and a certificate did contain multiple hosts, The Bat! took only one host.
· The Bat! now adds SmimeCapailities attribute to signed messages
· White-space characters must be skipped in BASE64-encoded message part
· Added a new item "Workspace" to the Main Menu
· Items in "Workspace" were changed
· Fixes in Main Menu(View and Workspace)
· Some new items were added
· Hotkeys were not working in the Quick Reply before the pop-up menu was explicitly called (Beta issue)
· Quick Templates can be used in the Quick Reply editor by Ctrl+Space (Beta issue)
· When IMAP folder's cache was checked for integrity partially loaded messages were generating errors
· It is now possible to set Quick Reply template per folder basis (Beta issue)
· Quikc Templates of IMAP folders were stored in wrong place making QR impossible (Beta issue)
· Some Quick Reply cosmetics - size control, menu item, etc (Beta issue)
· Message Source Viewer was not using colours from the Preferences
· (#0000022) "Copy folder columns settings" was working only if a ViewMode was associated with a folder
· IMAP. Remotely stored viewable attachments are not shown as tabs
· Message Search now starts from the latest messages in local folders
· IMAP. AV when trying to view message which contains image as the sole element of structure (message has Content-Type: image/*)
· QT editor could not be called (Beta issue)
· IMAP. Application hangs when trying to view message which contains image as the sole element of structure (message has Content-Type: image/*)
· Message about invalid regular expression in sorting rule is stored in account log
· A warning is given when a filter containg a wrong Regular Expression
· Original message wasn't marked as read when it was replied
· (#0000098) Source View was not decrypting message source in OTFE mode
· The "Lim it first column auto-expansion" option was not working in threaded message lists
· Folder maintenance cannot be stopped
· Sometimes The Bat! did import Microsoft Outlook messages without attachments.
· (#0000081) It was not possible to define delivery type for forwarding several messages to the same address(es)
· Multiple messages to the same address were forwarded with the source messages attached
· IMAP. Folder should be unsubscribed before deletion (some server are know to keep subscription for deleted folders)
· IMAP. More smart algorithm to determine UID of appended message in the absence of UIDPLUS extension
· IMAP. BEFORE and AFTER criteria produce invalid SEARCH command
· Read Filters are now executed in an additional thread (in order to reduce workload on the main thread)
· Warning about group deletion if a group contained only one message displayed as the root of a tree branch
· IMAP. AFTER criteria produce invalid SEARCH command
· AFTER condition is placed before BEFORE condition in Message Finder dialog (to specify date interval more naturally)
· Some valid JPEG images are reported as damaged on image tab
· The Bat! didn't check for updates at start-up even when this option was configured ON
· "Check for updates when The Bat! starts" option has moved from the stand-alone tab in the Preferences dialog to the "Confirmations" page
· The "Invalid Handle" error under OTFE (BEta issue)
· Fixed the "Invalid handle" error (BETA issue)
· Quick Reply pane was not shown (Beta issue)
· The "Mark replied messages as read automatically" option in an account's properties
· Quick-Replied messages were not marked as replied nor processed by replied filters (Beta issue)
· yandex.ru was added in serverinfo.ini
· The "Cannot assign a nil to a TFont" error in the Preferences dialogue (Beta issue)
· Images with internally unsupported format were reported as damaged
· Accelerator "R" was used for several fields in "Search And Replace" dialog
· (#0000111) When a message is created fr om an address book, the Subject field is focused by default if the field is empty, the body is focused if subject is not empty (eg filled by a template)
· A note was added in "Shortcut Editor" dialog that only one shortcut per item is supported (Toolbat2000 lim itation)
· It wasn't possible to use macros in account name portion of folder path in move/copy filter action
· The "Mark replied messages as read automatically" option is on by default (for new accounts)
· Warning is now given when another message is selected when Quick Reply text is not empty (Beta issue)
· It's now possible to clear(or send/save as draft/open in editor) Quick Reply contents by pressing Ctrl+F4 (Beta issue)
· IMAP. Some filter actions cannot be executed if message is stored remotely (full message must be downloaded in local cache)
· Wrong "Reply-To" header when a message was sent after editing as new
· The "New tag" command was not working at the "Tags" page of the preferences dialogue (Beta issue)
· Separate setting for Quick Reply pane in addtional message viewers
· Message Dispatcher: Creation Date/Time is now shown accordingly to the message list settings
· Possible errors caused by deletion of a ViewMode when it was used in a visible message list
· Better handling of additional mouse buttons
· HTML templates used for Mass Mailing now generate multipart/related parts if they contain inline images
· (#0000119) Read filters could not be triggered sometimes
· The default external image download rule was always reset to "Reject unknown" after restart if no additional rules were defined
· IMAP. Deadlock when loading some messages
· (#0000127) When smilies are shown, some HTML messages could be shown garbled
· Christmas Splash Screen
· IMAP. AV when loading new messages (BETA issue)
· "Out of system resources" error when multiple Folder Maintenance tasks was simultaneously started by Scheduler
· Task destruction wasn't thread safe (BETA issue)
· Abstract class was created (BETA issue)
· IMAP. Memory leaks was fixed
· Warning than IMAP Folder Manager should be used to delete IMAP folders
· Folder tree could be not refreshed properly after deletion of an IMAP folder
· IMAP. Download preferences wasn't used for folder synchronization
· IMAP. Deadlock while doing Folder Maintenance
· It wasn't possible to stop search process
· Mark message as Replied/Forwarded filter action
· Source View - the Print function was not working correctly
· Some mailers are known to violate RFC2047 5.(3) and split multi-octet character across adjacent 'encoded-word's (we concatenate adjacent 'encoded-word's with the same charset to work around this issue)
· "TTaskUpdater.DecUse: negative reference counter, already destroyed!" error while performing folder maintenance
· Message Finder: Option for searchin of whole words only was ignored