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# DockKit updates

Learn about important changes to DockKit.

## Overview

Browse notable changes in [DockKit](https://developer.apple.com/documentation/dockkit).

## June 2024

- Use <doc://com.apple.documentation/documentation/DockKit/DockAccessory/accessoryEvents-swift.property> to acquire button events, including special ones such as shutter, flip and zoom, and custom events, along with their identifier and pressed state.
- Obtain a summary of each tracked subject. A summary consists of an identifier, face bounding box, saliency rank, speaking confidence, and looking at camera confidence.
- Pass an array of identifiers to select multiple subjects.
- Obtain information about the battery of a DockKit accessory, including battery name, battery percentage, and charging state.

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