AppleInsider notes that it appears to be related to the PastryKit framework used for the iPhone user-guide (which stands to reason), and the TuneKit framework used for iTunes LP and iTunes Extra. And that the name may tie-in to the iAd rumors, and to internal efforts on Apple's part to raise the bar of web apps and diminish the need for plugins like Flash and Java.
Could we find out more at Apple's iPhone 4.0 event tomorrow? We certainly hope so. As much as some decry the closed nature of the App Store, developing for Safari is wide open and a new class of better, faster, stronger web apps is ultimately good for everyone.
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.