+
+ ! $thorough_search defaults to yes
+ + imap-logout-all closes all open IMAP connections
+ ! header/body cache paths are always UTF-8
+ + $wrap_headers to control outgoing message's header length
+ + all text/* parts can be displayed inline without mailcap
+ + send-hooks now run in batch mode; previously only send2-hooks ran.
+
+1.5.20 (2009-06-14):
+
+ ! mbox/mmdf new mail flag is kept when leaving folders with new mail