Hmm, I just installed rosegarden4 in Feisty herd 5 and it appears to have DSSI. Also according to http://packages.ubuntulinux.org/feisty/source/rosegarden.html :)
-- Lack of DSSI support https://launchpad.net/bugs/1990 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
