+Make "notmuch new" notice when a mail directory has gone more than a
+month without receiving new mail and use that to trigger the printing
+of the note that the user might want to mark the directory read-only.
+
+Also make "notmuch new" optionally able to just mark those month-old
+directories read-only on its own. (Could conflict with low-volume
+lists such as announce lists if they are setup to deliver to their own
+maildirs.)
+
+notmuch library
+---------------
+Actually compile and install a libnotmuch shared library.
+
+Fix to use the *last* Message-ID header if multiple such headers are
+encountered, (I noticed this is one thing that kept me from seeing the
+same message-ID values as sup).
+
+Add support for the user to specify custom headers to be indexed.
+
+Add support for automatic tagging of new messages based on particular
+search criteria, (likely using an InMemory database for the new
+messages).
+
+General
+-------