Apple today announced the official release of the iPhone SDK 3.1.3 update.

The SDK includes Xcode, an option compatible with Snow Leopards for both iPhone and iPod Touch developers.  It is also required for programmers looking to create software that will run on the iPhone OS 3.1.3 setup, while also offering bug and security patch fixes.

Users looking to develop iPad apps on the other hand will require the iPhone OS and SDK 3.2 beta which was recently released for use by developers.

After you download the upgrade drop us a line and let us know what you think.

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Apple, Apple 3.1.3 OS, Apple iPhone, iPhone, iPhone 3GS, iPhone Mobile Versions, iPhone SDK