Fixes a handful of critical security vulnerabilities. (Free, 19 MB)

Extends the API call limit, adds a new Column Navigator feature, enhances search capabilities, and expands support for previewing media-content. (Free, 2 MB)

Fixes a serious compatibility issue with Mac OS X 10.6 Server. ($79.99, free update, 407 MB)

A Snow Leopard only update to the Wi-Fi, Bluetooth, and Bonjour network sniffing software. (Free, 1.1 MB)

Blocks several security vulnerabilities related to maliciously crafted files. (Free, 9.4 MB)

Adds support for extensions, the capability to sync bookmarks, a bookmark manager, and extended gesture support. (Free, 18.8 MB)

Addresses compatibility issues with certain Dell printers, connectivity issues with a particular Photosmart printer, and minor problems with the crop and skew boxes. ($39.95 new, free update, 9.1 MB)

Extends Aperture 3 and iPhoto '09 support for a handful of cameras. (Free, 6.43 MB)

Improves battery performance on 2009 Apple Wireless Keyboards when used in concert with Bluetooth devices. (Free, 1.14 MB)

Improves CPU usage on early 2009 Mac Pro models during audio-related activities. (Free, 1.64 Mb)

Updates the user interface, adds new wide-screen mode, and enables users to tag their fonts. ($79 new, free update, 28 MB)

Improves image previews, enhances search options, and expands project listing capabilities. ($79.95 new, free update, 10.3 MB)

Improves battery level display accuracy, fixes a bug related to launching third party apps, and addresses a handful of security threats. (Free, 291 MB)

Fixes issues related to saved passwords, iPod syncing, and general stability. (Free, 90.82 MB)

Fixes an issue that causes flickering in the displays of late 2009 27-in iMacs. (Free, 294 KB)