iOS 7 development is behind schedule, prompting Apple to pull engineers from OS X development

To speed along development of iOS 7, Apple has reportedly moved developers from OS X to iOS.

Apple's next iPhone release will likely be the iPhone 5S, and if history is any indication, it's going to look exactly like the iPhone 5. As a result, the appeal of the upcoming iPhone won't necessarily be hardware, but rather software. Sure, Apple will upgrade the iPhone 5's internals and may include a better camera. And sure, there are rumors that Apple's next-gen iPhone will come with a fingerprint authorization sensor, but again, the bulk of the marketing behind the iPhone 5S will most likely be software related. Indeed, we've already seen this before with Siri and the iPhone 4S.

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All that said, all eyes will be on iOS 7 at WWDC this summer, especially now that Scott Forstall is out and Jony Ive is leading the aesthetic aspect of Apple's iOS design.

So what do we know so far about iOS 7? Well, truthfully, not too much.

According to in-the-know Apple blogger John Gruber of Daring Fireball, however, development on iOS 7 is running a tad behind schedule. Consequently, Apple has pulled developers from working on OS X 10.9 to have them work on the upcoming iOS. If any of this sounds familiar it's because Apple did something similar in 2007 when it pulled engineers working on OS X 10.5 Leopard to work on the first iteration of Apple's iOS.

And as for what the new OS will look like under the careful eye of Ive, expect a more subdued look. Rene Ritchie, who also has a stellar record when it comes to Apple rumors, relayed the following about iOS 7.

Ive’s work is apparently making many people really happy, but will also apparently make rich-texture-loving designers sad.

Fascinatingly, Gruber added the following:

Word on the street is that iOS engineers with carry privileges all have some sort of polarizing filter on their iPhone displays, such that it greatly decreases viewing angles, thus making it difficult for observers to see the apparently rather significant system-wide UI overhaul.

Well, if there's one thing Apple goes to great lengths to uphold, it's product secrecy.

The aforementioned blurbs were originally relayed via a conversation thread on Branch, which is well worth checking out. It features a number of respected Apple observers who divulge a few whispers regarding what we can look forward to with Apple's next iPhone release.

Lastly, it's worth pointing out that the Wall Street Journal earlier this week reported that production on Apple's next-gen iPhone is slated to begin sometime during the second quarter of 2013, setting the stage for what may be a summer launch.

At the same time, Apple continues to work with its manufacturing partners in Asia on a less expensive iPhone that could be launched as soon as the second half of this year, these people said. The four-inch device likely will use a different casing from the higher-end iPhone. Apple has been working on different color shells for the phone but its plans remain unclear.

This, of course, jibes with what has previously been reported about Apple's iPhone plans. Expect a new iPhone 5S with upgraded internals to be released alongside a more economical iPhone comprised of cheaper materials and available in a slew of colors.

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