IOS 15

iOS 15 is the fifteenth major version of iOS that was released by Apple on September 20, 2021, succeeding iOS 14. The mobile operating system was announced on June 7 at the 2021 Worldwide Developers Conference.

New features
Newly announced features include:
 * SharePlay feature allows shared viewing of video or listening of music with friends during FaceTime connections.
 * Focus settings allow users to block distractions while working or doing other activities.
 * Notifications organized by priority, based on user interactions.
 * Live Text automatically recognizes written or printed text in images or photos that can be converted into selectable text.
 * Redesigned Safari interface.
 * Updated Maps with improved 3D models and AR support.
 * More Privacy controls.
 * Redesigned Weather and Notes apps.
 * Siri requests can be processed entirely within iPhones with an Apple A12 chip or later.

Development
The forthcoming existence of iOS 15 was discovered within the source code of a WebKit update. In Spring 2021, Apple began beta testing its anti-tracking privacy feature to shield user information from websites. However, this feature was already deployed with the release of iOS 14.5 on April 26, 2021. Facebook reportedly planned to file a lawsuit against Apple's tracking feature changes as unfair.

Updates
The iOS 15.4 update was released on March 14, 2022 with support for Tap to Pay on iPhone. It also added support for Face ID while wearing a mask, though the feature is presently limited to the iPhone 12 series and higher.

Supported devices
iOS 15 is compatible with all devices that supported iOS 13 and/or iOS 14, including the launch of the new iPhone 13 series which were first supplied with iOS 15. However, certain features such as spatial audio, will be limited to newer devices with an A12 bionic processor or newer (iPhone X R /X S /X S Max and newer), which means that the iPhone 6s/6s Plus, iPhone 7/7 Plus, iPhone 8/8 Plus, and the iPhone X all have limited support. The following devices below will be supported by iOS 15. According to a report, it was rumored that iOS 15 would drop support for the iPhone 6s/6s Plus, and the original iPhone SE. However, those models have lost support when iOS 16 was announced, along with the iPhone 7/7 Plus.