Improves stability and performance, fixes iLife issues, and addresses issues with publishing to various Web services. ($199 new, free update, 357.79 MB)

Adds new Macs and improved iOS reports, along with the capability to schedule warranty expiration reminders in iCal. (Free, 14.7 MB)

Fixes for numerous crashing bugs, security vulnerabilities, and other buggy behavior. ($699 new, free update, 14.7 MB)

Screen capturing, annotating, and sharing software finally leaves beta. (Free, 8.2 MB)

Adds suport for several new camera models. ($299 new, free update for owners of Lightroom 3, $99 upgrade from earlier versions, 84.5 MB)

Adds support for displaying active iKey shortcuts, and compatibility improvements for Safari, Filemaker Pro, and Keyboard Maestro. (€19.99 new, free update, 1.3 MB)

Support for multiple Flickr accounts, video upload from iPhoto, and more. (iPhoto plug-in: £12 new, £6 upgrade, 1.5 MB; Aperture plug-in: £14 new, £7 upgrade, 1.8 MB)

Adds automatic updates and includes several bug fixes. ($44.95 Standard Edition/$54.95 Retail Edition, free update, 40.4 MB full download, 8.3 MB update download)

Sports a host of new features, new themes, and an overhaul for Addons. ($79 new, $39 upgrade, 34.0 MB)

Resolves a slew of bugs, including issues with Microsoft Office and Slingbox, and patches a few security vulnerabilities. ($49.99 new after $30 rebate from VMware, free update)

Offers new features for interacting with Amazon CloudFront, new bookmark importers, and more than a dozen bug fixes. (Free, 20.4 MB)

Drops PowerPC support while enhancing performance and stability and fixing bugs. ($79.95 new, free update, 104 MB)

Adds Street View, trees, and historical imagery. (Free, 53.3 MB)

Provides compatibility with the new CalDAV-based MobileMe Calendar. ($49 single user/$79 family pack new, $20 upgrade from BusySync, free update, 6.6 MB)

Offers a mix of support for new image formats, interface refinements, and bug fixes. ($39.95 new, free update, 100 MB)