Following the release of the new 2.2 iPhone/iPod Touch firmware earlier today, Apple have now released an updated Software Developmemt Kit — build 9M2621.
The new SDK download is larger than the previous release at 1.56GB. It is said that the new SDK offers overall system stability and performance improvement, although, Apple are yet to release any details publicly.
If you’re a registered iPhone developer, you can download the new SDK from the iPhone Dev Center. You will need OS X 10.5.5.
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very good