Wincent.org is reporting that Apple has officially acknowledged build 4K78 as the build included in the final release. An Apple Technical Info Library entry deals with questions that Apple seems to have received from customers curious about the Build: 4K78 that appears in the About This Mac window in Mac OS X. Stories that build K78 was indeed the build for the final release began hitting the Internet earlier this week, starting with a report on Wincent.org. We had this confirmed this week from a trusted source named Deep Throat. According to the Apple TIL article:
TITLE
Mac OS X: "Build 4K78" Same As "Mac OS X 10.0"
Article ID:
Created:
Modified: 106176
3/15/01
3/23/01
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TOPICIt is normal for the build version, "Build 4K78," to appear in the About This Mac window, Apple System Profiler, and the Startup Disk 9.2 control panel.
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DISCUSSION"Build 4K78" is a developmental name used by Apple for Mac OS X 10.0. It is normal to see this in the About This Mac window, Apple System Profiler, and the Startup Disk 9.2 control panel.
This is not a cause for concern. You have the finalized first release of Mac OS X. The build version may not be visible in future versions of Mac OS X.
You can read the TIL article for yourself at Appleis Web site. You can read Wincentis post on this at Wincent.org.