Apple seeds first iOS 5.1 beta, Xcode 4.3 beta (release notes included)

Apple has just seeded iOS 5.1 to developers, a pre-release version of iOS that runs on the iPhone, iPod touch, and iPad. In addition, Apple has released Xcode 4.3 beta to developers, a required version of Xcode for those wishing to develop and test their applications with iOS 5.1 devices. This iOS 5.1 release is crucial. The 5.1 beta brings along an under-the-hood change for alternative interpretations for Dictation input in different apps. We’re looking into this API change.

We’ve also found some references to a new iPad in the code.

iOS SDK 5.1 provides support for developing iOS applications and includes the complete set of Xcode tools, compilers, and frameworks for creating applications for iOS and Mac OS X. These tools include the Xcode IDE and the Instruments analysis tool among many others.

With this software you can develop applications that run on iPhone, iPad, or iPod touch running iOS 5.1. You can also test your applications using the included iOS Simulator, which supports iOS 5.1. There are two Xcode iOS SDK 5.1 images, one for installing on a Macintosh computer running Mac OS X 10.6.7 (Snow Leopard) or later, the other for installing on a Macintosh computer running Mac OS X 10.7 (Lion).

This version of iOS is intended only for installation on devices registered with Apple’s developer program. Attempting to install this version of iOS in an unauthorized manner could put your device in an unusable state.

Along with the release notes, you can also find some new features we’ve found in iOS 5.1 after the break:

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Apple seeds iOS 5 beta 7, iTunes 10.5 beta 7, Xcode 4.2 beta 7 to developers (full change log)

Apple has just released iOS 5 beta 7 to developers as an over-the-air update. iOS 5 includes new features like Notification Center, Twitter integration, Newsstand, and iCloud support. The software update will become publicly available this fall, likely alongside the new iPhone lineup in early October. Apple has released iTunes 10.5 beta 7 and Xcode 4.2 beta 7 as well. Apple has also just released Safari 5.1.1 update 3. Let us know at tips@9to5mac.com anything you find!

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We’ve found that in the Wi-Fi sync settings there is now support for multiple Macs. Under each Mac you’ll find what categories your iOS devide will sync to. Thanks Christoph!

Additionally, the Nuance Text to speech is now available as a menu item (below)

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The following issues relate to using the 5.0 SDK to develop code.We’ve pasted the full change log for the new beta after the break:

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Apple killing developer access to UDID in iOS 5

As noted by TechCrunch, Apple has alerted developers in recent documentation that it is in the process of deprecating access to the uniqueidentifier alphanumeric string that is unique to each iOS device.

Apple recommends developers create a UDID specific to apps.

Obviously,  UDIDs were a security threat as marketers and advertisers (and worse) could follow your usage patterns and gather data through different apps.

Apple likely will continue to use the UDID for its iAds, GameCenter, subscriptions and other services it offers across iOS devices, or so one industry CEO thinks:

 “I guarantee Apple will not stop using UDID,” predicts one mobile industry CEO. If Apple does continue to use UDID for itself but denies it to developers that would be an “extremely lopsided change.” It would give Game Center and iAds yet one more advantage over competing third-party services.”

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New in OS X Lion: “Network Link Conditioner” utility lets you simulate internet and bandwidth conditions

What is it? Network Link Conditioner is a new utility in OS X Lion (via the free Xcode 4.1 app) that will allow you to simulate less than desirable network conditions, such as a bad 3G connection or Edge with “Good Connectivity”. This is an especially useful utility for those developing apps and sites that highly rely on network connectivity, whether it’s a multiplayer game or just an animation heavy web app.
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