[iOS] - Elements in a row are announced in the wrong order by VoiceOver
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- C++
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Description
Description
When elements with different heights are in a row with alignItems: ‘center’ or alignItems:’flex-end’, the tallest ones are selected and announced first by VoiceOver on iOS.
Tested on iPhone 13 mini, iOS 17.4.1
Steps to reproduce
- use the code in the reproducer and build on a physical iOS device
- activate VoiceOver and go through each example by swiping right
React Native Version
0.83.1
Affected Platforms
Runtime - iOS
Output of npx @react-native-community/cli info
System:
OS: macOS 26.2
CPU: (8) arm64 Apple M2
Memory: 94.20 MB / 16.00 GB
Shell:
version: "5.9"
path: /bin/zsh
Binaries:
Node:
version: 22.7.0
path: /Users/gbs05577/.nvm/versions/node/v22.7.0/bin/node
Yarn:
version: 1.22.22
path: /opt/homebrew/bin/yarn
npm:
version: 10.8.2
path: /Users/gbs05577/.nvm/versions/node/v22.7.0/bin/npm
Watchman:
version: 2022.11.28.00
path: /opt/homebrew/bin/watchman
Managers:
CocoaPods:
version: 1.15.2
path: /Users/gbs05577/.rbenv/shims/pod
SDKs:
iOS SDK:
Platforms:
- DriverKit 25.2
- iOS 26.2
- macOS 26.2
- tvOS 26.2
- visionOS 26.2
- watchOS 26.2
Android SDK: Not Found
IDEs:
Android Studio: 2025.2 AI-252.25557.131.2521.14344949
Xcode:
version: 26.2/17C52
path: /usr/bin/xcodebuild
Languages:
Java:
version: 17.0.16
path: /usr/bin/javac
Ruby:
version: 2.7.5
path: /Users/gbs05577/.rbenv/shims/ruby
npmPackages:
"@react-native-community/cli":
installed: 20.0.0
wanted: 20.0.0
react:
installed: 19.2.0
wanted: 19.2.0
react-native:
installed: 0.83.1
wanted: 0.83.1
react-native-macos: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: true
iOS:
hermesEnabled: true
newArchEnabled: true
Stacktrace or Logs
-
MANDATORY Reproducer
https://snack.expo.dev/@andreamartinez/ios-voiceover-order-bug
Screenshots and Videos
https://github.com/user-attachments/assets/d76a86d2-1663-4bb6-bd14-085bd88a144e
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the linked Snack reproducer and run it on a physical iOS device with VoiceOver enabled, following the listed swipe-right steps. Trace the React Native iOS behavior responsible for accessibility element ordering; done means elements in rows with differing heights are announced in visual order for the reported alignment modes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- ios, react-native
- Domain
- accessibility, mobile-dev
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100