What is 15.4 ios?

iOS 15.4: A Detailed Overview

iOS 15.4 was a significant release for Apple's mobile operating system, bringing a host of new features and improvements. It was released to the public on March 14, 2022.

Key Features and Changes:

• Face ID with a Mask: One of the most notable additions was the ability to unlock your iPhone using Face%20ID%20with%20a%20Mask. This feature uses the unique characteristics around the eye area to authenticate users, allowing for easier unlocking while wearing a mask. It's available on iPhone 12 and later models.

• Universal Control: Universal%20Control finally arrived, enabling users to seamlessly use a single keyboard and mouse/trackpad across multiple iPads and Macs. This significantly streamlines workflow across devices.

• New Emojis: As with many iOS updates, 15.4 introduced a range of New%20Emojis, adding more expressive options for communication.

• EU Digital COVID Certificate Support: The Health app now supports the EU%20Digital%20COVID%20Certificate, allowing users to easily store and present their vaccination records within the app.

• AirTag Anti-Stalking Updates: Enhanced AirTag%20Anti-Stalking%20Updates were included to address privacy concerns surrounding unwanted tracking using AirTags. These changes included clearer warnings about using AirTags for stalking and improved alerts for unknown AirTags detected nearby.

• Other Improvements and Bug Fixes: Beyond the major features, iOS 15.4 contained numerous Other%20Improvements%20and%20Bug%20Fixes addressing various issues related to performance, stability, and security. This included fixes for Safari, Siri, and other core iOS functionalities.