Fourth iPhone SDK Beta Release Available

Pocket-lint reports that Apple has come out with yet another upgrade to its iPhone software development kit. This fourth version of the beta SDK adds “Xcode IDE, iPhone simulator with Open GL ES support, interface builder, instruments, frameworks and samples, compilers and Shark analysis tool,” according to a post on the Apple developer Web site.

More than 200,000 developers have already downloaded the SDK, which isn’t expected out of beta until June.