I was just reading Apple’s Leopard Sneak Peek, and noticed this rather amusing paragraph in the Multicore enhancements list.

Apple engineers have updated several applications in Leopard  including Mail, Address Book, and Font Utility  to be fully multicore ready. Each of these apps breaks up processor-intensive actions into a series of more manageable steps that execute one by one on single-CPU computers and in parallel on newer, multicore systems.

Because the Font Utility performance was a major concern of most OS X Tiger users.

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