New from Apple is Digital Camera RAW Compatibility Update 3.9, which adds compatibility with several new cameras to Aperture 3 and iPhoto ’11. The newly supported cameras include the Canon PowerShot S100; Nikon 1 J1, 1 V1, and Coolpix P7100; Olympus PEN E-PL1, PEN E-PL3, and PEN E-PM1; Panasonic Lumix DMC-FZ150; and Sony Alpha NEX-5N, Alpha SLT-A65, and Alpha SLT-A77. The update applies to both Mac OS X 10.7 Lion and 10.6 Snow Leopard; Apple publishes a full list of supported raw image formats in both Lion and Snow Leopard — interestingly, the Lion list is a bit longer. (Free, 7.2 MB)
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Show Hidden Files in Open/Save Dialogs in Snow Leopard
In Snow Leopard, if you want to show otherwise hidden files in Open and Save dialog file lists, just press Command-Shift-period. Pressing it again hides the files.