You may also want to check out the Mac newsgroups (comp.sys.mac.*).
David Magda <dmagda at ee.ryerson.ca>
Because the innovator has for enemies all those who have done well under
the old conditions, and lukewarm defenders in those who may do well
under the new. -- Niccolo Machiavelli, _The Prince_, Chapter VI
Kerberos mailing list [hidden email] https://mailman.mit.edu/mailman/listinfo/kerberos
Those are just the release notes for krb5-1.4 which shipped as part
of Kerberos for Macintosh 5.5 in Tiger. For the KfM 5.5 release
notes see <http://web.mit.edu/macdev/KfM/Common/Documentation/ release-5.5.html>. In addition to the changes in KfM 5.5, Apple has
also made extensive changes to the Active Directory support in Tiger.