Bloomberg says that the possible antitrust inquiry Apple's facing in fact stems from a complaint by Adobe, who was most publicly cockblocked by Apple's new iPhone app development rules banning cross-compilers.

In case you had any doubts, the iPhone SDK reveals the obvious: A new iPhone in the works, by the codename of N89, following the current N88. What do you think N89 will have? Tell us in the comments. [Engadget]

The 3.1 version of the iPhone SDK is available now, bringing a couple new fixes like having the OS simulator "more closely matching the device." There are also new Interface Builder, XCode and Dashcode changes. [iPhone Developer]

Developers signing on to the iPhone SDK program are now expressly forbidden from writing iPhone apps that can be installed via jailbreak, or any software for any Apple technology that messes with security or DRM.

At Facebook's annual f8 conference this afternoon it was revealed that iPhone app developers will be able to integrate apps with Facebook Connect-in other words, apps will be able to link up to and share data with your Facebook account, so your identity will be consistent and linked across apps through your Facebook…