Apple today released iPod software update 2005-09-23 via Software Update which delivers iPod Software 1.1.2 for iPod shuffle. iPod Updater 2005-09-23 contains the same software versions as iPod Updater 2005-09-06 for all other iPod models.
Features of iPod Software 1.1.2 for iPod shuffle
• Bug fixes for iPod shuffle
More info and standalone installer download link (32MB) here.