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# iOS & iPadOS 13.4 Release Notes

Update your apps to use new features, and test your apps against API changes.

## Discussion

The iOS & iPadOS 13.4 SDK provides support to develop apps for iPhone, iPad, and iPod touch devices running iOS & iPadOS 13.4. The SDK comes bundled with Xcode 11.4, available from the Mac App Store. For information on the compatibility requirements for Xcode 11.4, see <doc://com.apple.documentation/documentation/Xcode-Release-Notes/xcode-11_4-release-notes>.

### General

#### Known Issues

- To install iOS 13.4 using the Restore Image, first install Xcode 11.4.

### Keyboard

#### New Features

- QuickType Keyboard now supports predictive input for Arabic.
- QuickType Keyboard now supports Live Conversion for Japanese and Chinese (Zhuyin).
- QuickType Keyboard now supports Swiss German layout for 12.9-inch iPad layout.

#### Resolved Issues

- 12.9-inch iPad layouts for several languages now match the hardware keyboard layouts.

### Location Services

#### New Features

- When an app requests Always authorization for the first time after having previously been authorized for While Using the App, the device immediately presents the location authorization prompt. (57106235)

### Photos

#### New Features

- New keyboard shortcuts are available in Photos on iPadOS, which create quick navigation between Tabs, Search, and Create Albums. While in full-screen mode, you can also delete, duplicate, and enter Edit mode using a keyboard. (57195967)

### RealityKit

#### Known Issues

- After updating to iOS & iPadOS 13.4, you won’t be able to synchronize scenes with peers using earlier versions of RealityKit, due to a fundamental change in the physics system. If two peers running a <doc://com.apple.documentation/documentation/RealityKit/MultipeerConnectivityService> have incompatible versions, they will remain connected in the underlying <doc://com.apple.documentation/documentation/MultipeerConnectivity/MCSession>, but won’t synchronize scenes. iOS & iPadOS 13.4 adds a new <doc://com.apple.documentation/documentation/RealityKit/NetworkCompatibilityToken> class so a host can avoid inviting incompatible clients to its <doc://com.apple.documentation/documentation/MultipeerConnectivity/MCSession>. Please see the <doc://com.apple.documentation/documentation/RealityKit/NetworkCompatibilityToken> documentation for additional details. (59262764)

### SwiftUI

#### New Features

- When using a <doc://com.apple.documentation/documentation/SwiftUI/NavigationView> with multiple columns, the navigation bar now shows a control to toggle the columns. (49074511)
- The `onDrag` and `onDrop` modifiers are now available on iOS. (49661347)

#### Resolved Issues

- <doc://com.apple.documentation/documentation/SwiftUI/GeometryProxy/safeAreaInsets> in navigation and tab views now extend to the top edge as expected. If you previously used `edgesIgnoringSafeArea(_:)` as a workaround, it should now be removed. (52851281)

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