path: root/NEWS

Changes of Sylpheed

* 2.4.0rc (development)

    * The file copy and move were optimized.
    * Win32: If the initial loading of "MS Gothic" font failed, multi-byte
      font name is used now (workaround for JIS2004 MS Gothic font).

* 2.4.0beta8 (development)

    * In the address book, the import of CSV and Tab-separated text file was
      implemented.
    * 'Within 1 day' and 'Recent 5 days' was added to the quick search rule.
    * The toolbar style switch was added to the toolbar context menu.
    * Stop button now cancels all sessions.
    * The limitation of the nesting level of MIME structure was relaxed.
    * A margin for text was added to the composition window.
    * An error dialog is displayed if the execution of junk filter command
      fails.
    * The overwrite confirmation of the file selection dialog was improved.
    * ISO-8859-16 was supported in code conversion.
    * Several UI problems in the address book were fixed.
    * The stability of the cancellation of POP3/SMTP session was improved.
    * The bug that the displayed number of message becoming incorrect on
      folder search was fixed.

* 2.4.0beta7 (development)

    * In-Reply-To header was supported in mailto URL.
    * Stop button was added to the main toolbar.
    * An error message is displayed now when the decryption of PGP encrypted
      messages failed.
    * Remote commands such as 'compose', 'receive' and 'send' are disabled
      when a modal dialog exists.
    * Process termination is forced after the execution of finalizer routine.
    * The behavior of 'Go to next unread' with changing folders was fixed.
    * The sylpheed.desktop file was modified.
    * Win32: A bug that the folder path separator was not processed correctly
      in some cases (fixes path information becoming incorrect on renaming
      subfolders).

* 2.4.0beta6 (development)

    * The bug in automatic IMAP4 filtering that messages which were not
      filtered were not counted as new ones was fixed.
    * Win32: The workaroud for the redraw problem of GtkCList and GtkCTree
      in GTK+ 2.10.11 was made.
    * Win32: The stall on rebuilding folder tree which appeared since GTK+
      2.10.11 was fixed.
    * Win32: Environmental variable "LANGUAGE" was disabled (fixes incorrect
      language selection on some environments).

* 2.4.0beta5 (development)

    * Close button was added to the address book dialog, and the layout was
      improved.
    * The automatic junk mail filtering on IMAP4 was enabled.
    * Automatically filtered IMAP4 messages are also counted for new mail
      notification now.
    * The default directory of the printing dialog became the document
      directory.
    * The crash on some environments when verifying signed messages was fixed.
    * The crash on exit when the order of summary columns were modified by
      DnD was fixed.
    * The wrong handling of quotation in multi-byte strings on MIME header
      encoding was fixed.
    * Win32: The bug that the timeout on receiving and sending didn't work
      was fixed.
    * Win32: The path separator problem of folderlist.xml was fixed.
    * Win32: libcairo-2.dll, libgpg-error-0.dll, libgpgme-11.dll, GLib and
      GTK+ was updated to the latest version.
    * Win32: The redraw of windows became smoother (GTK+).
    * Win32: Win32 shell icons are now displayed on the file selection dialog
      (GTK+).

* 2.4.0beta4 (development)

    * The address book was improved.
      - Copy and paste of persons in the address book was enabled.
      - The menu sensitivity of the address book became accurate.
      - When deleting addresses from a group, they are just removed from the
        group (not from person) now.
      - 'Lookup' button is disabled if LDAP search is not available.
    * The checking of remote folders doesn't abort with non-fatal errors now
      except for network failure.
    * The problem that the width of the folder view was not saved when the
      main window was maximized was fixed.
    * The coloring of message number columns in the folder view was enabled.
    * Win32: In Windows Vista, the problem that the selected menu items were
      not visible was fixed.

* 2.4.0beta3 (development)

    * The toolbar customization dialog was improved.
    * 'Not junk' and 'Search' button were added to the main toolbar.
    * The 'Send' button is disabled when no queued messages exist.
    * Junk mails are filtered when incorporating from local spool even if
      'Filter on incorporation' is disabled.
    * The 'Get' button of the main toolbar was fixed.
    * Several bugs of the search dialog were fixed.
    * Win32: The sorted column of the selected row on the summary view becomes
      visible when it doesn't have focus.
    * Win32: System fonts with multi-byte font names (such as 'MS PGothic' and
      'Meiryo') can be available now.

* 2.4.0beta2 (development)

    * The toolbar was rewritten with new API.
    * 'Prev', 'Print', 'Address', 'Prefs', and 'Account' was added to the
      main toolbar, and 'Prefs' and 'Account' was added to the compose toolbar.
    * The overflow menu for toolbar was added.
    * The width of toolbar buttons was reduced when the labels are displayed.
    * The option to place toolbar labels at the right of icons was added, and
      it became the default.
    * The bug that the window was kept being skipped from window list after it
      became visible with window shading or switching workspaces.
    * Some of the UI labels are modified.
    * Unix: Symbolic links are now also scanned when scanning MH folders.

* 2.4.0beta1 (development)

    * The automatic filtering of new messages in INBOX folder of IMAP4 account
      was implemented.
    * The customization of the toolbars was implemented.
    * The option to toggle window on trayicon click was added.
    * Junk mails are now filtered when incorporating from local spool.
    * UTF-8 is forced for headers instead of substituting characters if the
      code conversion failed.
    * The crash of the text view when switching between MIME parts was fixed.
    * Win32: the socket buffer size was increased to improve the performance
      of network communication.
    * Win32: GTK+ and GLib was updated to the latest version.

* 2.3.0 (stable)

    * The Japanese manual was updated.

* 2.3.0rc (development)

    * CA certificates bundle file is now looked up in multiple location.
    * Cancelling the verification of certificates is only applied for current
      connection now.
    * The version string was changed.
    * The bug that the blank message view appeared when displaying window from
      the tray icon while the message view was hidden in separate window mode
      was fixed.
    * Win32: The common CA certificates were included in the package.

* 2.3.0beta7 (development)

    * Page setup for printing was added.
    * The range specification of printing now works correctly.
    * The printing of MIME part now uses the new printing function.
    * The font size of printing now follows the display setting.
    * The option to input signature directly was added to the account
      preferences.
    * Signature is automatically generated when creating a new account.
    * Bcc: and Reply-To: were added to the template.
    * '/etc/ssl/certs' directory is used for SSL certificate verification if
      exist.
    * When SSL certificate cannot be verified, the confirmation dialog is now
      displayed.
    * Cursor is now placed at the top of the text (alternatively To or Subject
      entry if they are empty) when reediting messages.
    * Unix: Resolver is now reinitialized if '/etc/resolv.conf' is modified.

* 2.3.0beta6 (development)

    * The new printing function was implemented.
      - Each page is now rendered by Cairo.
      - The native print dialog is used.
      - Page number is printed for each page.
      - The option "Use external program for printing" was added.
      - The printing of MIME part was implemented.
    * Cc: was added to the header view.
    * The option "Inherit recipients on reply to self messages" was added.
    * Pilot-link (libpisock) 0.12 was supported.
    * The window position and the layout of the 'Add Address' dialog was
      modified.
    * The default directory of the file selection dialog was changed
      (in Win32, 'My Documents' is used. In Unix, the home directory is used).
    * The UI is now updated periodically on manual filtering.
    * The new mail notification on the tray icon is reset when any message
      is read now.
    * The encoding setting of the message view in new window is enabled also
      on reply.
    * Win32: The bug that the window was sometimes not displayed at the top
      when the tray icon was clicked was fixed.
    * Win32: The issue that the progress dialog was not updated while sending
      large messages was fixed.

* 2.3.0beta5 (development)

    * When new mails arrive, the tray icon is changed, and it will be kept
      until a new mail is read.
    * The option "Open inbox on startup" was added.
    * The option "Remeber last selected message" was added.
    * The crash when printing a message with empty subject was fixed.
    * The bug that the text in the composition window was not redrawn on the
      undo of large text was fixed.

* 2.3.0beta4 (development)

    * POP before SMTP was implemented.
    * Win32: The e-mail menu in the start menu now works when Sylpheed is
      selected as a default mailer.
    * WIn32: The character corruption on printing when environment-dependent
      Japanese characters are used was fixed.
    * Win32: The GDI resource leaks of GtkTreeView in XP classic theme and
      2000 which had introduced eventual application crash was fixed.

* 2.3.0beta3 (development)

    * The vertical padding of the folder view was reduced.
    * The change between folders became faster at GTK+ 2.10.x.
    * The bug that the window was kept hidden from taskbar on popup with
      another process when the window was minimized to tray was fixed.
    * The text insertion by the action was fixed again.
    * The height of the statusbar was adjusted.
    * The padding of the folder view was reduced.
    * Win32: The selection of the labels on the header view and the alert
      dialog are now visible.
    * Win32: The application icon was modified.
    * Win32: GTK+ was updated to 2.10.6, and OpenSSL was updated to 0.9.8d.
    * Win32: The network communication failure in some environments was fixed.

* 2.3.0beta2 (development)

    * Messages marked as read or junk mails are now excluded from the numbers
      of new messages.
    * Win32: GTK+ was updated to 2.10.4, and GLib was updated to 2.12.4.
    * Win32: The crash that occurred when Desktop folder was selected on the
      file selection dialog was fixed.
    * Win32: The bug that window position was reset when quitting Sylpheed
      while window was hidden was fixed.
    * Win32: The WSAEWOULDBLOCK state is now properly handled in socket I/O.

* 2.3.0beta1 (development)

    * GtkStatusIcon is used for the tray icon if available.
    * When GtkStatusIcon is used, the tray icon blinks for 5 seconds when new
      mails arrive.
    * The option 'Minimize to tray icon' was added.
    * The left click on the tray icon now only brings the main window in front.
    * Win32: The tray icon was implemented.
    * Win32: The SSL connection problem was fixed.
    * Win32: The included libraries (GLib, GTK+, Pango) were updated to the
      latest version. This introduces the following improvements:
      - The performance of network communication at receiving and sending
        was improved.
      - The appearance of the UI became more native-like.
      - The scrolling speed of the summary view with cursor keys was improved.
      - The broken display of the text view when it was partially hidden was
        fixed.
      - The position of color labels menu in the search dialog is correct now.
      - The problem that GTK+ strings became untranslated after the popup of
        context menu on GtkTextView was fixed.
      - The crash that occurred on startup if a font with non-ascii name was
        specified for system font was fixed.
      - The application doesn't freeze anymore when desktop theme is changed.

* 2.2.9 (stable)

    * The crash that occurred if the summary was sorted by invisible column
      was fixed.
    * The URI of the about dialog was updated.
    * Win32: OpenSSL was updated to 0.9.8c.

* 2.2.8 (stable)

    * The PLAIN authentication method for IMAP4 was supported.
    * The verification of encrypted and signed messages with combined method
      was supported.
    * Oniguruma regex library can be used instead of system's regex API.
    * The LDIF import of the addressbook was improved.
    * Full PGP signature information is displayed on the main text view.
    * All trailing spaces are removed when signing with PGP/MIME instead of
      using quoted-printable to improve compatibility with other MUAs.
    * A warning is displayed before sending when Bcc is specified at PGP
      encryption.
    * The bug that possibly lost relatively small messages on receiving when
      there was no disk space was fixed.
    * The behavior of manual junk filtering was fixed.
    * UTF-8 text can be inserted correctly in the compose window.
    * The error messages of the failure of displaying message body was
      improved.
    * Some workarounds for GTK+ 2.10 were made.
    * Minor UI fixes were made.
    * Other minor bugs were fixed.
    * Win32: Regular expression was supported in filtering.
    * Win32: The version information was added to the executable file.

* 2.2.7 (stable)

    * "Mark all read" was added to the folder context menu.
    * "Set as (not) junk mail" was added to the summary context menu.
    * The option to filter junk mails before normal filtering was added.
    * When replying to all, the original address strings are used for Cc
      instead of stripped ones.
    * Windows-1257 was added for display encoding.
    * Some menu items of the folder context menu were enabled even on receiving
      messages.
    * The bug that manual junk filtering didn't work when no filter rule exist
      was fixed.
    * Several crash bugs were fixed.
    * Win32: libgpg-error-0.dll and libgpgme-11.dll was updated.
    * Win32: The scanning of folders was optimized so that receiving or moving
      of messages become faster when folders contain large number of messages.

* 2.2.6 (stable)

    * The 8-bit literal (literal8) in IMAP4 response was supported.
    * The missing timeout handling was added for SMTP.
    * The failure of URI security check when they have leading space was
      fixed.

* 2.2.5 (stable)

    * The character corruption and crash bug when using Japanese half-width
      kana on sending messages was fixed.
    * The execution failure when using the accessibility module was fixed.
    * The bug that new/unread count becoming negative value was fixed.
    * The bug that bold face was disabled in the folder selection dialog
      with GLib 2.10 and Pango 1.12 was fixed.
    * The incorrect progressbar display when expired messages exist was fixed.

* 2.2.4 (stable)

    * MIME filename encoding with RFC 2231 parameter value extension was
      supported.
    * The clear button for the quick search entry was added.
    * The bug that bold face was disabled in GtkTreeView with GLib 2.10 and
      Pango 1.12 was fixed.
    * Win32: libwimp.dll was updated.
    * Win32: The bug that subfolders were duplicated when rebuilding folder
      tree while the settings were shared between Win32 and Unix was fixed.
    * Win32: The uninstaller was modified so that it only removes files and
      folders created by the installer.

* 2.2.3 (stable)

    * The sorting of the result of the query search was enabled.
    * The printing of messages now follows the state of 'Show all headers'.
    * Relative path is allowed for signature files.
    * The To, Cc, and Bcc button of the address book are now always enabled.
    * The window position of the address book is now preserved.
    * The toggle of the Cc entry on the composition window was enabled.
    * The appearance of the address book was modified.
    * Unix: The support of metamail command was removed, and it was replaced
      with the alternative implementation.
    * Win32: libwimp.dll was updated, and the appearance of the UI was
      improved.
    * Win32: zlib1.dll was updated.
    * Win32: The application icon was updated.
    * Win32: The unnecessary message catalog files were removed to reduce the
      archive size.

* 2.2.2 (stable)

    * The crash bug that occurred when trying to move IMAP4 folders right
      under the root folder was fixed.
    * The crash bug that occurred after a message window was closed while the
      search dialog was still open was fixed.
    * Win32: The console window is newly created if --debug or --help option
      is specified.
    * Win32: The non-ASCII filename encoding problem on executing external
      commands was fixed.
    * Win32: The bug that the main window became not responsive when an error
      occurred on automatic receiving while the window was minimized was fixed.
    * Win32: Spanish translation was added for the installer.
    * Win32: The installer was fixed so that it selects correct language on
      environments other than Japanese.

* 2.2.1 (stable)

    * GtkSpell is enabled on configure by default now.
    * Spanish translation of the README file was added.
    * The bug that account names with filename-unsafe characters couldn't be
      used was fixed.
    * The crash bug that occurred if non-ascii newsgroup names appeared while
      getting newsgroup list was fixed.
    * The performance problem of the quick search while the summary was sorted
      by thread date with descending order was fixed.
    * Win32: The problem that the UI didn't respond occasionally when receiving
      messages was fixed.

* 2.2.0 (stable)

    * The move and copy of messages to queue folders and virtual folders are
      prohibited.
    * The included sylpheed.spec was modified.

* 2.2.0rc (development)

    * The 'minimize to tray icon' feature was modified.
    * The command line options help dialog is not duplicated anymore.
    * The problem that the UI was still insensitive after the execution of
      external editor failed was fixed.
    * The nonstandard Japanese encoding 'x-sjis' was supported.
    * Win32: The locale encoding problem on some languages was fixed.

* 2.2.0beta8 (development)

    * The help of command line options was added.
    * The Japanese manual was updated.
    * When checking IMAP4 mailboxes, the number of new messages is properly
      counted now.
    * The key event handling of the quick search entry was fixed.
    * The wrong status display of the receive dialog on BSD systems was fixed.
    * The unread flag is not reset anymore when moving or copying messages
      into a trash folder.
    * Some UI fixes were made.
    * Win32: Some UIs for unsupported functions were disabled.
    * Win32: The bug that the contents of folders with specific Japanese
      characters such as 'Hyou' (which contains 0x5c ('\') at the second byte)
      at the end of its name couldn't be seen was fixed.

* 2.2.0beta7 (development)

    * When moving, copying, or deleting a collapsed thread, all the messages
      in the thread are processed now.
    * 'Mark thread as read' feature was implemented.
    * The keys on keypad are also recognized in the summary and message view.
    * The window size of the address book is now remembered.
    * PGP passphrase is converted into locale encoding before passing to gpg.
    * Arabic encoding support was added.
    * The premature trimming of strings on the statusbar was disabled.
    * The 'Wrap before sending' option was removed.
    * The issue that it falsely entered drag begin state after passphrase
      dialog was shown was fixed.
    * The bug that the automatic account selection on reply was disabled on
      IMAP4 folders was fixed.
    * Win32: IPv6 was supported.
    * Win32: Window is properly popup on multiple launching now.

* 2.2.0beta6 (development)

    * The cleanup of IMAP4 message caches on exit was implemented.
    * Cache files in IMAP4 folders are now properly removed on move or delete.
    * The temporary passwords of IMAP4 accounts are now preserved until exit.
    * 'File/Insert signature' now inserts signature into current cursor
      position, and 'File/Append signature' was added for the previous
      behavior.
    * Some dialogs are now placed at the center on parent window.
    * The confirmation dialog for emptying trash is not displayed anymore if
      messages don't exist in trash folders.
    * Trash folders are excluded on recursive search.
    * Locale encoding strings can be passed to --compose and --attach command
      line option.
    * Several minor bugs were fixed.

* 2.2.0beta5 (development)

    * The quick search was implemented.
    * The filter conditions for message status such as 'unread', 'mark',
      'color-label', and 'attachment' were added.
    * The window management of the export and import dialog was modified.
    * Several minor bugs were fixed.

* 2.2.0beta4 (development)

    * Unix: The popup menu on the trayicon was implemented.
    * Unix: Clicking the trayicon now toggles the visibility of the main
      window.
    * Unix: The visibility of the trayicon is now configurable.
    * The context menu of the folder view on search folders was modified.
    * The bug that stopped checking of new messages if search folders exist
      in IMAP4 or News mailboxes was fixed.
    * The renaming of search folders under IMAP4 or News folders was fixed.
    * A memory leak that occurs when thread display was off was fixed.

* 2.2.0beta3 (development)

    * The results of search folders are cached to speed up the next search.
    * The search folder property dialog was implemented.
    * The position of 'Delete' menu was changed to prevent its accidental
      selection.
    * The HTTP scheme is added to the URIs begin with 'www.'.
    * Some trailing punctuations were included as URI.
    * The bug that search folders under IMAP4 or News folders couldn't be
      removed was fixed.

* 2.2.0beta2 (development)

    * The forwarding of messages with attachments was modified.
    * The bug that previously selected row was removed from the view instead
      of currently selected one when deleting folders from the context menu
      was fixed.
    * The bug that messages with subject that includes characters that can't
      be used for filename couldn't be attached was fixed.
    * Windows-1252 was added for display encoding.
    * After incomplete POP3 session, duplicate retrieval of messages doesn't
      happen anymore.

* 2.2.0beta1 (development)

    * The major improvements of the search function were made.
      - The query search was implemented.
      - Search conditions can be specified with the same UI as the filter rule.
      - Subfolders can be searched.
      - The search folder (virtual folder) was implemented.
    * The maximized window state is now remembered.
    * The option "Display recipient on 'From' column if sender is yourself" now
      looks for all accounts.
    * The line-wrapping of composition now doesn't join enumerated lines.
    * The nonstandard Korean encoding 'ks_c_5601-1987' was supported.
    * The bug that the initial directory was not properly selected in the file
      selection dialog with GTK+ 2.8 was fixed.
    * Some other bugs were fixed.

* 2.1.9 (development)

    * An option to update only INBOX on checking new messages of IMAP4
      accounts was added.
    * The custom queue folder can be specified for each account now.
    * The progress of local filtering is displayed now.
    * "Update summary" was added to the context menu of the folder view.
    * Appending of messages to an IMAP4 folder was optimized.
    * "Reply to all" now works for newsgroups post.
    * The crash when an address in an address group was modified was fixed.
    * The bug that subscribed newsgroups were removed after refreshing
      subscribe dialog was fixed.
    * The complication failure on some environments was fixed.
    * Win32: The bug that blocked the application when enterning passphrase
      for GnuPG was fixed.

* 2.1.8 (development)

    * The common preferences dialog was reorganized.
    * The memory usage on SMTP and POP3 session was reduced drastically.
    * The last position of the composition window is remembered, and the
      windows are automatically placed so that they don't overlap.
    * Filtered sent messages are not put into Sent folder anymore.
    * When attached text files are saved, their linebreaks are normalized
      depending on platforms.
    * The occasional encoding conversion failure bug on inserting a text file
      into composition window was fixed.

* 2.1.7 (development)

    * The spell checking feature was implemented (requires GtkSpell).
    * The drop of files is allowed on the whole composition window.
    * The insertion of text by drag and drop was disabled.
    * The PGP interface is disabled if GnuPG is not available.
    * A bug that aborted program if invalid UTF-8 text is put in the log
      window was fixed.
    * The pane between summary and message view became more visible.
    * Reply-to-list is not enabled for subscribe confirmation request etc.
    * The bug that the separator of newsgroups was broken was fixed.
    * The bug that broke the summary selection when mark, unread, and
      colorlabel flags were changed while the summary was sorted by them
      was fixed.
    * The bug that caused crash when quote colors dialog was closed by the
      window close button was fixed.
    * The bug that showed wrong value if the total size of a folder was more
      than 2GB was fixed.
    * Win32: The bug that occasionally the summary was not properly updated
      right after messages were added to a folder was fixed.
    * Win32: The problem that message strings were not translated if digit
      locale environmental variable (such as "LANG=1041") was set was fixed.
    * Win32: PGP sign and encryption was supported.
    * Win32: The window focus problem of account and filter setting dialog
      was fixed.
    * Win32: The method of detecting executables was modified.

* 2.1.6 (development)

    * The auto-save to draft of composing messages was implemented.
    * The setting of default (fallback) encoding was added.
    * The command line option '--exit' was added.
    * The preset menu for junk mail learning commands was added, and now
      bogofilter and bsfilter are selectable.
    * The option to mark filtered junk mails as read was added.
    * The buffer overflow of LDIF import was fixed.

    * Win32: The external editor function was implemented.
    * Win32: Junk mail filtering now works.
    * Win32: The default junk mail learning commands were changed to bsfilter.
    * Win32: Some options which are useless on win32 became hidden.
    * Win32: The program icon was added.
    * Win32: Some bugfixes were made.

* 2.1.5 (development)

    * The command line option to specify directory which stores configuration
      files (--configdir dirname) was added.
    * The output headers of printed messages now match to those of the message
      view.
    * Confirmation dialog is displayed instead of input dialog on printing.
    * When replying to ML post that has the Reply-To set, both addresses will
      be set.
    * The option to delete filtered junk mails from server was added.
    * The locale name 'zh_TW.Big5' was changed to 'zh_TW'.
    * The problem that drag and drop didn't work with GTK+ 2.8 was fixed.
    * The sample mime.types was included into the source package.
    * Win32: The remote command was implemented using TCP socket.
    * Win32: The drag and drop of files from Explorer was supported.
    * Win32: The default print command for text file is used for printing when
      the command is unspecified.
    * Win32: Several bugfixes were made.

* 2.1.4 (development)

    * Bugfixes:
      - The IMAP4 parser was fixed so that it can handle literals in response.
      - A bug that caused crashes on receive if Date header has abnormal time
        was fixed.
      - Sylpheed will not close anymore even if the tray icon is closed.

      - Win32:
        o The problem that prevented the rename and move of folders was fixed.
	o The problem that prevented the creation of temporary files by users
	  who don't have the write permission of the root directory was fixed.
	o The action of Drag'n'drop now becomes move.
    * Feature changes / enhancements:
      - The directory with multiple hierarchy can be specified when creating
        a new mailbox.
      - Error messages are now output to the log window and the log file.
      - The 'Create filter rule' menu was brought back in the context menu.
      - The display of the property of top folders was enabled.

      - Win32:
        o SSL/TLSv1 was supported.
	o The console window was disabled.
	o The environmental variable APPDATA is used for the location of
	  configuration files.
	o The default browser is used now when opening URL.
	o The system settings will be used when opening attachments.
	o The launch of executable files was disabled.
	o The support of environment-dependent Japanese characters was
	  enhanced.
	o The duplicate launch is prohibited now.

* 2.1.3 (development)

    * The feature to save all attachments at once was added.
    * The subscription dialog of newsgroups was reimplemented with GtkTreeView.
    * The verification of S/MIME sigunature (PKCS#7) was enabled.
    * The support of character entity references in HTML messages was improved.
    * The subject line is now displayed in the title bar of the composition
      window.
    * The vertical scrollbar of the folder view now shows or hides itself
      automatically.
    * The message number columns of the folder view can be toggled now.
    * The selected row of the summary view will be kept when the state of
      thread display is changed.
    * The selected row will be aligned to center when it reaches the edge of
      the summary view on key operation.
    * The code conversion error and line limit warning will not be displayed
      anymore when saving as draft.
    * Some code cleanups were made.

* 2.1.2 (development)

    * The core parts were separated into a library (LibSylph), and its license
      was changed to LGPL.
    * The feature to sort the summary by thread date was implemented.
    * When executing IMAP4 operations which take long time, its progress is
      now displayed on the statusbar, and the UI is periodically updated.
    * The number of messages to be copied at a time on IMAP4 was limited to
      prevent timeout error.
    * GPG and SSL settings are now saved even if they are disabled at the
      compile time.
    * The auto detection of Japanese encoding now supports UTF-8 encoding.
    * The text display has been modified a bit.
    * The initial implementation of tray icon was added.
    * Address fields are now normalized before sending.
    * Some problems of the addressbook was fixed.
    * A bug in which message/rfc822 attachments were broken when pgp-signed
      was fixed.
    * Win32: A bug in which opened sockets were not closed properly was fixed.

* 2.1.1 (development)

    * IMAP4 now works with Win32 platform.
    * The sorting of summary now fall backs to comparison by date.
    * localedir, manualdir, and faqdir became user-configurable on configure.
    * A bug that multiple selection of the addressbook with Control key
      didn't work with GTK+ 2.6.9 was fixed.

* 2.1.0 (development)

    * Win32 (MinGW) platform was supported.
    * Many portability fixes were made.