Version 2.35:
- Folder and paperclip (for attachments) icons have changed. Icons are taken from free icon set Tango Project.
- Added column "Attachments" showing a paperclip if a message contains attachments.
- Fixed: Ctrl+/Shift+click on an icon was working incorrectly.

Version 2.36:
- Icons instead of labels on toolbar buttons. Icons are taken from Tango Project.

Version 2.37:
- Possibility to mark messages with one of the predefined colors. (Also added column "Color" which may be used to sort messages by color.)
- Fixed highlighting of search text in message body (it no more shows html fragments).
- Added APOP authentication, in particular it allows to use spaces in account passwords.

Version 2.38:
- Preference "Download headers only" on "Advanced" tab in preferences. To download message body double click the message in list or choose "Download" from context menu.
- IMAP: now all messages from Inbox folder are downloaded, not only unread ones.
- Fixed: some SMTP servers have max line length limit, so now line breaks are inserted into long lines.
- "Show new messages in a popup" and "Show errors in a popup" options are disabled on platforms on which Firefox doesn't support showing popup windows.