Apple Mac HQ

If you’re running the newest big cat, Leopard, you might want to run Software Update. Apple released OS X 10.5.4 today. You can find a moderately detailed list of changes in this Apple Support article.

Among the notable changes:

• Additional RAM image support
• Addresses Airport reliability issues with 5GHz networks
• Improves iCal reliability for meeting requests, cancellation notices, delegation, and syncing with iPhone
• Addresses an issue in which To Do’s cannot be marked private
• Addresses a potential performance issue when loading secure web pages in Safari
• Expose and Spaces improvements

The OS X 10.5.4 update is recommended for all previous versions of Mac OS X 10.5 Leopard. It includes general operating system improvements that enhance the stability, compatibility, and security of your Mac. The 10.5.4 standalone installer weighs in at 88MB. On my MBP, the 10.5.4 combo update (yeah, I never installed 10.5.3) is a whopping 560MB. If you come across any issues installing the update, drop them in the comments.

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