Apple has quietly released Bonjour Update 2010-001 via Software Update, saying only that "This update improves the reliability of connections between iTunes and Apple TV." Previously known as Rendezvous, Bonjour is Apple's implementation of the Zeroconf protocol for discovering network services. Oddly, Bonjour Update 2010-001 hasn't yet appeared on the Apple Support Downloads page. (Free, 959K)
Adjust Multiple Column Sizes Simultaneously
Within the Finder, Column View enables you to see folder hierarchies, with each subsequent level getting its own column. Dragging on the double lines at the base of a column divider changes the preceding column's width. But Option-drag on any divider, and all the columns in the window change to the same width.
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