From the release:

Aperture 3 allows you to organize large photo libraries with even more flexibility using Projects and the new Faces and Places. Faces uses face detection and recognition to find and organize your photos by the people in them. You can view faces across your entire photo library or view just the faces that appear in selected projects. In a new view that speeds up the organization process, Aperture 3 displays faces that have been detected but haven’t yet been named. Places lets you explore your photos based on where they were taken, and like in iPhoto, Places automatically reverse geocodes GPS data into user-friendly locations. In Aperture 3, you can assign locations by dragging-and-dropping photos onto a map or by using location information from GPS enabled cameras, tracking devices or your iPhone® photos.

Retail on the the new software will be $199. Owners of Aperture will be able to upgrade for $99 and new users can download a 30-day trial.

“Millions of people love using iPhoto to organize, edit and share their digital photos,” said Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing. “Aperture 3 is designed for both professionals who edit and manage massive libraries of photos and iPhoto users who want to take their photos further with easy-to-use tools such as Brushes and Adjustment Presets.”

“Aperture 3 gets it right,” said National Geographic photographer, Jim Richardson. “The image editing tools are exactly what I have been asking for, they’re so easy to use and give me a level of control that I never even thought possible.”

More in the press release

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Here are the some of the titles from Apple’s latest knowledge base articles on Aperture 3:

• Aperture: Thumbnails in browser are sometimes gray
• Aperture 3: Troubleshooting Basics
• Aperture 3: How to optimize Aperture for the best looking slideshows
• Aperture 3: Thumbnails and Viewer images may be stretched and only partially rendered
• Aperture 3: Some embedded IPTC metadata may not import from DNG, TIFF, or JPEG images with Mac OS X v10.5
• Aperture 3: “Write IPTC Metadata to Master” does not write IPTC Core fields to masters on Mac OS X v10.5
• Aperture 3: Videos you upload to a MobileMe album are removed if later synced with Aperture 2
• Aperture 3: Some metadata from XMP sidecar files may not import
• Aperture 3: Release notes
• Aperture 3: Contrast edits do not transfer from iPhoto to Aperture 3
• Aperture 3: Posterization of images when using Curves adjustments with ATI X1900
• iPhoto and Aperture: Disabling and enabling 1-Click Purchasing
• Aperture 3: “Do not import duplicates” option does not work with video and audio files
• Aperture and iPhoto: Editing billing information
• Aperture 3: Quick Preview temporarily looks jagged for recently imported images
• Aperture 3: Converting images to Aperture 3 RAW decoding
• Aperture 3: Regenerate previews to resolve issues with image display
• Aperture 3: “Your MobileMe account information is not correct” alert during publish/update to MobileMe Gallery albums
• Some pixel dimensions are slightly different after upgrade to Aperture 3
• Aperture 3: Tips on upgrading an Aperture 2 library to Aperture 3
• Aperture 3: Discussion about differences in exposure levels with Aperture 3 RAW decoding
• Aperture 3: Publishing to MobileMe Gallery from multiple computers requires same version of Aperture
• Aperture 3: “Request to the server failed” alert when publishing identical filenames to MobileMe
• Aperture 3: Frequently Asked Questions (FAQ)
• Aperture 3: Alert when opening Help in Japanese after upgrade from Aperture 2
• Aperture 3: About Video and Audio formats in Aperture
• Aperture 3: How metadata fields in Aperture 3 map to fields in other applications

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