Comment Trac - Issue tracker and interface to Subversion (Score 1) 587
On a related note to Subversion 1.0, you might be interested in our new (GPL:ed) product / open source project: Trac.
It's a minimalistic issue tracker for software projects based on Wiki and Subversion (with later support for Arch and CVS planned), written in python.
Trac has browsing of Subversion repositories, viewing diffs/changesets and allows judicious hyperlinking between bug reports, commit-messages and
If you've seen cvstrac or viewcvs, you'll be familiar with the concept.
Check it out at http://trac.edgewall.com/