http://www.macnn.com/articles/07/07/11/itunes.731.released/
iTunes 7.3.1 fixes iTunes Library access
updated 05:10 pm EDT, Wed July 11, 2007
iTunes 7.3.1 released
Apple today released iTunes 7.3.1 for Mac OS X and Windows, an update to its A/V playback, organization, and cataloging software that fixes a minor issue related to iTunes 7.3 accessing the iTunes Library. The previous update brought iPhone activation functionality to iTunes, and added the ability to sync iPhones with iTunes. iTunes 7.3 also enables Apple TV owners to share digital photos from any computer in the home, according to the Cupertino-based company.
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Joined: Aug 2001
Minor?
it fixes a minor issue related to iTunes 7.3 accessing the iTunes Library
Yeah, minor, as in, if it affected you, you couldn't access your library. I wouldn't call that 'minor'.