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|A version of the iOS operating system|
iOS 12 running on an iPhone X
|Source model||Closed with open-source components|
|Initial release||September 17, 2018|
|Latest release||12.1.1 (16C50) (December 5, 2018 ) [±]|
|Latest preview||12.1.2 beta 1 (16D5024a) (December 10, 2018 ) [±]|
|Kernel type||Hybrid (XNU)|
|License||Proprietary software with open-source components|
|Preceded by||iOS 11|
iOS 12 is the twelfth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 11. It was announced at the company's Worldwide Developers Conference on June 4, 2018. It is similar in aesthetics to iOS 11 but contains numerous performance and battery life improvements and security updates, in addition to added functionalities within some apps. It was released to the public on September 17, 2018.
iOS 12 was introduced by Craig Federighi at the Apple Worldwide Developers Conference keynote address on June 4, 2018. The first developer beta version was released after the keynote presentation, with the first public beta releasing three weeks after on June 25, 2018.
iOS 12.0.1 was released on October 8, 2018, as the first update to iOS 12.
iOS 12.1.1 was released on December 5, 2018.
Performance optimizations were made in order to speed up common tasks across all supported iOS devices. Tests done by Apple on an iPhone 6 Plus showed apps launching 40 percent faster, the system keyboard activating 50 percent faster, and the camera opening 70 percent faster.
Screen Time is a new feature in iOS 12 that records the amount of time a user spent on the device. The feature also displays the amount of time the user used particular apps,, the amount of time the user used particular categories of apps (such as games), and the number of notifications the user received.
Screen Time also provides blocking features to limit usage of apps (with time limits) or set other restrictions such as on purchases or explicit content. It replaces Parental Controls in the iOS Settings app, but can also be used by adults to limit their own usage. These features can be used with or without a passcode. Without setting a passcode the limits can easily be bypassed but may serve as a useful reminder of usage intentions.
A dedicated application in iOS 12 allows users to set up Shortcuts, automated actions that the user can ask Siri to perform. It replaces the Workflow app that Apple acquired in March 2017.
The Voice Memos and Stocks apps are now available for iPads.
Messages in iOS 12 introduces a new type of customizable Animoji called "Memoji" which allows a user to create a 3D character of themselves. Apple also introduced Koala, Tiger, Ghost and T-Rex Animojis.
iOS 12.1, released on October 30, 2018, adds the ability to include up to 32 people in a FaceTime conversation. This feature is only supported with video by devices with the Apple A8X or Apple A9 chip or later; it is only supported for audio on iPhone 5s, iPhone 6 and iPhone 6 Plus, and is not available at all on iPad mini 2, iPad mini 3, and iPad Air.
Notifications are now grouped and have a "manage" tab, to turn off notifications for that app or to deliver them quietly.
Do Not Disturb now has a feature called "Do Not Disturb During Bedtime" to automatically send notifications to history, send calls to voicemail (can be changed to Favorites/Repeated calls) and has a darker screen to assist sleep. However, if the user taps the screen (or when the user's wake time passes) notifications are shown. When Do Not Disturb is turned on, a new notification will show saying that notifications and calls will be silenced when active.
The Voice Memos and Stocks apps are now on iPads. Voice Memos and Stocks have had a design refresh, and the latter has integrated Apple News.
iOS 12 merges contacts belonging to the same Apple ID into the same conversation. This cause some problems since some families share the same Apple ID, but use separate handles, such as different phone numbers, or email addresses. As a result text messages from these different individuals are merged into the same conversation thread. Sending to people using a shared Apple ID may accidentally send to any of the other devices instead.
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