Apple has been moving quickly to address issues that have plagued Aperture 3 since its release last month. Aperture 3.0.2 touches on several important areas, such as upgrading and importing libraries from earlier versions of the program and iPhoto, duplicating metadata presets, improving compatibility with IPTC metadata, making adjustments using the Curves, Straighten, and Retouching tools, and more. ($199 new, free update, 69.83 MB)
Turn Off Filename Extension Warning
In Leopard, Apple fixed an annoying aspect of working with the Finder in Tiger. Previously, if you changed a file's extension, the Finder prompted for confirmation. But since no one has ever accidentally changed a filename extension, Apple thankfully added an option to turn that warning off in the Leopard Finder's preferences. Choose Finder > Preferences, and in the Advanced screen, deselect Show Warning Before Changing an Extension.