As it promised a few weeks ago, Facebook today has released a major iOS SDK update for developers. SDK 3.0 Beta is chock-full of features that will enable iOS developers to start taking advantage of Apple’s newfound relationship with the social network.

During its WWDC keynote last month, Apple announced system-level Facebook integration into both Mac OS X and iOS 6. Not only does this give users an additional outlet to share content, but it also means there will soon be no more need for OAuth…

What’s OAuth, you ask? It’s when an app asks you to authenticate yourself through Facebook, forcing you into the Facebook app or some poorly-designed website. In iOS 6, however, Facebook login credentials will be available system-wide.

But perhaps the most exciting thing about SDK 3.0 for iOS, as MG Siegler points out, is the fact that there’s not a lot of talk about HTML5. It’s all “Native” and “Objective-C,” reiterating earlier reports that Facebook’s app is going to be getting a much-needed makeover.

Obviously, this SDK is still in Beta, as is iOS 6. But come this fall, we imagine we’ll be seeing an onslaught of Facebook-dependent applications.

[The Loop]