* Changes in 2.16.0 from 2.14.x
+** Added support for ESEARCH feature (RFC4731).
+
+** New option `elmo-imap4-set-seen-flag-explicitly'.
+
+** Optimize refiling.
+ Interpret filter, pipe and multi folder and select the most suitable method.
+
+** Speed up bsfilter processing.
+
+** Speed up handling of maildir folder.
+
+** Use IMAP4 non-synchronizing literals (RFC 2088) if it is available.
+
+** Open following thread when you put mark on message in summary buffer.
+
+** Add new command wl-summary-display-raw.
+
+** Use EasyPG (http://www.easypg.org) if it is available.
+
** A folder type `namazu' is abolished. New folder type `search' is added instead.
** Fixed against overwriting existing messages in archive folders.