Changes of Sylpheed
+* 0.7.1
+
+ * Message copy between different type of folders has been enabled.
+ * Multiple message forwarding has been enabled.
+ * Most of key bindings became customizable.
+ * The default menu shortcuts have been modified so that Ctrl is used
+ as the modifier key.
+ * Quick menu shortcut changer has been implemented.
+ * Quick filter rule creation has been implemented.
+ * "Show all header" now displays the headers in the current message
+ view.
+ * File save dialog has been improved.
+ * Mac OS X (Darwin) has been supported.
+ * Ctrl-Enter now works on the composition window.
+ * Crash in mark processing on 64bit architecture has been fixed.
+ * Crash when some fonts couldn't be loaded has been fixed.
+ * Some address completion bugs have been fixed.
+ * Some many other bugs have been fixed.
+
+* 0.7.0
+
+ * Undo / redo function has been implemented.
+ * Regular expression has been supported in filtering.
+ * LDIF file import has been improved.
+ * The cursor on composition window blinks now.
+ * The feature to keep editing after saving to draft has been added.
+ * The position of Subject entry on composition window has been moved
+ to the last.
+ * The menu items have been reorganized.
+ * WMCLASS is set for some windows.
+ * A bug that causes infinite loop at line-wrapping has been fixed.
+ * Some bugfixes for template, addressbook and IMAP4 have been made.
+
+* 0.6.6
+
+ * The newsgroup subscription dialog has been enhanced.
+ * Template function has been improved.
+ * New wrapping function for composition window has been implemented.
+ * Mailto URL has been supported for the --compose option.
+ * The --status option to display current message count has been added.
+ * Workaround for RFC-incompliant Date header has been made.
+ * Check connection between IMAP or NNTP server only if access time
+ limit is expired.
+ * Thai encodings have been supported.
+ * Hungarian message catalog has been added.
+ * Copy and paste problems have been fixed.
+ * Some IMAP4 bugs have been fixed.
+ * Some other bugs have been fixed.
+
* 0.6.5
* The template function has been implemented.