This mail:

 http://mail-index.netbsd.org/netbsd-announce/2004/07/26/0000.html

lists the known PRs as of july 26 which would suggest delay to release.

referenced from the:

 http://www.netbsd.org/Changes/#20schedule

url.

If you review them in the db, most of the non-IPF related ones appear fixed
and the IPF ones may be in the 'hard' basket.

I have no idea what has arisen subsequently which is a blocker on release.

cheers

-George