Developer

Creators of f.lux respond to Apple's Night Shift in iOS 9.3

Night Shift iOS 9.3

One of the key new features previewed in last week's iOS 9.3 beta is Night Shift. The basic premise is that blocking blue wavelengths of light after the sun has set improves sleep. This blue light is normally generated by iPhone, iPad and other mobile device screens, simulating sunlight. By reading iBooks in the evening or playing video games late into the night, circadian rhythms are disrupted. Night Shift addresses this problem, however it's by no means the first software to tackle the issue.

Apple's Swift programming language is now open source

Swift

Apple has launched Swift.org to announce that the Swift language, debugger, supporting libraries, and package manager have been published under the Apache 2.0 license with a Runtime Library Exception. This means the source code is freely available on GitHub for anyone to build themselves, and developers can contribute to the project. Since its initial release in mid-2014, Apple has intended for Swift to become an open source programming language.

How to sideload apps onto iOS 9 devices

Apple developer ID

iOS 9 has brought the ability to install developer apps to the home screen without a jailbreak or paid developer account. While this process takes a few steps, it opens up a new world of third-party apps that can be installed without using the App Store. In order to install Xcode directly onto an iOS 9 device such as an iPhone, Mac OS X is required. Here are the steps needed to create a free developer account and start loading apps directly onto iOS 9:

How to update iOS 9 public beta to the latest version

Apple Beta Software Program

iPhone owners in the Apple Beta Software Program with iOS 9 installed can easily update to the latest developer version (currently iOS 9 beta 4). This short process will install bleeding edge firmware features on the iOS 9 device, however the developer beta may encounter more problems or incompatibilities than the official public beta. In any case, those with iOS 9 already installed can upgrade to iOS 9 beta 4 by following these instructions:

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