Changes of Sylpheed
+* 0.8.4
+
+ * The 'Select thread' function is added.
+ * The 'Reply to mailing list' function is added.
+ * The 'Reply' button invokes 'Reply to list' by default (configurable).
+ * More fix for GnuPG signing and verification has been made.
+ * The bug that deleted messages that are not received by filter has
+ been fixed.
+ * The bug that couldn't exit normally after opening composition window
+ has been fixed.
+ * The LDAP library detection of configure script has been fixed.
+
+* 0.8.3
+
+ * The state of compose window is now changed automatically when the
+ account is selected.
+ * The option to only mark message as read when opened in new window has
+ been added.
+ * The receive progress dialog now shows detailed information in the
+ status list.
+ * The receive progress dialog can be kept open.
+ * The line-joining problem of auto-wrapping has been fixed.
+ * IMAP and News cache files/directores are now correctly purged if
+ they become unnecessary.
+ * The wrong news article number calculation has been fixed.
+ * The summary refresh problem has been fixed.
+
* 0.8.2
* GnuPG improvements and fix