I have just uploaded Q4M 0.8 to http://q4m.31tools.com/
This is generally a bugfix release. Update is recommended for
applications using conditional subscription or multitable
subscription. The details of the fixes can be found on my weblog.
Kazuho at Work: Q4M adoption by Mixi, and the release of version 0.8
http://labs.cybozu.co.jp/blog/kazuhoatwork/2008/08/q4m_adoption_by_mixi_and_the_r.php
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Kazuho Oku