Are there plans to include (after a long availability) sylpheed in a more recent version?

Even now in Factory, there is still version 1.0.3 included, even though Sylpheed-claws is in Version 2.4.0

Version 2.4.0 has been released on July 31 2006 while 2.0.0 has been out since Jan 30 2006

Dominique