(Not in any particular order)
+* mailmap support (same as git) for remapping expired email addresses
+
* Optional cookies in WWW interface for user-configurable colors
* WWW: Hybrid flat view + thread skeleton (requires Xapian)
* more test cases (use git fast-import to speed up creation)
* large mbox/Maildir/MH/NNTP spool import (use git fast-import)
-
-* improve + document mlmmj integration, currently only at:
- http://bogomips.org/unicorn-public/20140508084301.GA2033%40dcvr.yhbt.net/