+2005-10-23:
+
+ The %u expando for $sidebar_number_format has been added.
+
+2005-10-14:
+
+ The generic <rebuild-cache> function has been added.
+
+2005-10-13:
+
+ The $list_reply variable has been removed and replaced by
+ $force_list_reply without a synonym.
+
+2005-10-09:
+
+ The "attachments" and "unattachments" commands were added. The %X
+ expando has been added to $index_format. The ~X pattern has been
+ added. The %Q and %X expandos have been added to $attach_format. For
+ better control purpose, the $count_attachments variable has been
+ added, too.
+
+ As part of the above addition(s), the 'A' message status flag has been
+ removed again.
+
+2005-10-07:
+
+ When upgrading to after a revision after 528, header caches must be
+ completely removed and rebuild again. From r540 on, this problem is
+ solved so manual interaction will not be necessary any longer.
+
+2005-09-14:
+
+ The $smtp_envelope_from variable has been removed in favor of the
+ general $envelope_from_address.
+
+ The $envelope_from option has been renamed to $use_envelope_from.
+
+2005-09-07:
+
+ SASL 1.x support has been removed.
+
+ All patterns may be prefixed with = instead of ~ to enable
+ string search instead of regular expression match.
+
+ The $net_inc variables has been added.
+
+2005-09-03:
+
+ The ~u pattern has been added.
+
+2005-08-31:
+
+ The following pre-defined read-only variables were added:
+ $muttng_pwd, $muttng_folder_name, $muttng_folder_path.
+
+2005-08-29:
+
+ Several pre-defined read-only variables named $muttng_ have
+ been added; this feature is maybe subject to change in the near
+ future.
+
+ The $editor_headers option has been added.
+
+ The %Z expando of $index_format now also includes an 'A'
+ as the last character if a mail has attachments, i.e. is of
+ type multipart and a space otherwise. In addition, the ~M
+ pattern was added to match these messages.
+
+ Many synonym variables pointing to proper $nntp_ ones have
+ been removed.
+
+2005-08-27:
+
+ The $debug_level option has been added.
+
+ It's now possible to define and use arbitrary self-defined
+ variables as long as prefixed with user_.
+
+ The $user_agent variable had to be renamed to $agent_string.
+
+ To keep consistency, the -D option has been removed again in
+ favor of -T and -t.
+