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Closed as duplicate
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from: manual-qaIssue caught from manual QA processIssue caught from manual QA processhas reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work onplatform-iosiOS applications specificallyiOS applications specificallyteam-iosOwned by iOS platform teamOwned by iOS platform team
Description
Steps to reproduce
- Build dev/a11y_assessments using Xcode 27 Beta and the iOS 27 SDK.
- Install and run the application on a physical iPad running iPadOS 27 Beta.
- Launch the application.
Expected results
The application launches successfully.
Actual results
- The issue reproduces consistently on a physical devices running iPadOS 27 Beta and iOS Simulators as well.
- The application worked on previous iOS/Xcode versions and is now failing when built with the iOS 27 SDK.
- Issue repro in both debug and release mode
Code sample
Code sample
[Paste your code here]Screenshots or Video
Screenshots / Video demonstration
Screen.Recording.2026-06-11.at.10.02.05.PM.mov
Screen.Recording.2026-06-11.at.10.03.49.PM.mov
Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
Flutter (Channel stable, 3.44.1, on macOS 26.5.1 25F80 darwin-arm64, locale en-US) [626ms]
• Flutter version 3.44.1 on channel stable at /Users/preethikandukuri/development/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 924134a44c (13 days ago), 2026-05-29 12:13:22 -0400
• Engine revision c416acfeb8
• Dart version 3.12.1
• DevTools version 2.57.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android,
enable-ios, cli-animations, enable-native-assets, enable-swift-package-manager, omit-legacy-version-file,
enable-lldb-debugging, enable-uiscene-migration
[✓] Android toolchain - develop for Android devices (Android SDK version 37.0.0) [8.8s]
• Android SDK at /Users/preethikandukuri/Library/Android/sdk
• Emulator version 36.6.11.0 (build_id 15507667) (CL:N/A)
• Platform android-37.0, build-tools 37.0.0
• ANDROID_HOME = /Users/preethikandukuri/Library/Android/sdk
• Java binary at: /Applications/Android Studio RC.app/Contents/jbr/Contents/Home/bin/java
This JDK is specified in your Flutter configuration.
To change the current JDK, run: `flutter config --jdk-dir="path/to/jdk"`.
• Java version OpenJDK Runtime Environment (build 21.0.10+-117844308-b1163.108)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 27.0) [1,238ms]
• Xcode at /Applications/Xcode-beta.app/Contents/Developer
• Build 27A5194q
• CocoaPods version 1.16.2
[✓] Chrome - develop for the web [6ms]
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Connected device (5 available) [6.8s]
• iPad (wireless) (mobile) • 00008122-001A08DC22B9801C • ios • iOS 27.0 24A5355q
• iPhone 17 Pro (mobile) • 03070B0D-B337-4FEC-817E-537605439F20 • ios •
com.apple.CoreSimulator.SimRuntime.iOS-26-5 (simulator)
• iPhone 17 (mobile) • DE497A5E-D1EC-4102-820B-F801EC47C41E • ios •
com.apple.CoreSimulator.SimRuntime.iOS-27-0 (simulator)
• macOS (desktop) • macos • darwin-arm64 • macOS 26.5.1 25F80
darwin-arm64
• Chrome (web) • chrome • web-javascript • Google Chrome 149.0.7827.54
[✓] Network resources [579ms]
• All expected network resources are available.Metadata
Metadata
Assignees
Labels
from: manual-qaIssue caught from manual QA processIssue caught from manual QA processhas reproducible stepsThe issue has been confirmed reproducible and is ready to work onThe issue has been confirmed reproducible and is ready to work onplatform-iosiOS applications specificallyiOS applications specificallyteam-iosOwned by iOS platform teamOwned by iOS platform team
Activity
preethi0228-git commentedon Jun 16, 2026
Verified the same launch failure on the Wonderous sample application.
Environment
Result:
Simulator log:
Comparison:
This suggests the issue is not limited to a11y_assessments and affects multiple Flutter applications when built with the iOS 27 SDK.
Attached logs
wonderous.ios27_crash.log.rtf
Screen.Recording.2026-06-16.at.11.51.41.PM.mov
[-][iOS 27 Beta] a11y_assessments fails to launch on iOS 27 simulator and Physical device with "UIScene life cycle is required for apps built with this SDK"[/-][+][iOS 27 Beta] Flutter apps using pre-UIScene iOS lifecycle fail to launch on iOS 27 with "UIScene life cycle is required for apps built with this SDK"[/+]vashworth commentedon Jun 18, 2026
@preethi0228-git Can you check if there are any device crash logs?
Go to Xcode > Open Developer Tool > DeviceHub > Select the device used > Click the Reports icon in the left side bar
preethi0228-git commentedon Jun 19, 2026
Hi @vashworth ,
Please find the attached logs .
Runner-2026-06-19-185150.txt
Thanks,
vashworth commentedon Jun 22, 2026
closing in favor of #188336 and #187758.
github-actions commentedon Jul 14, 2026
This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of
flutter doctor -vand a minimal reproduction of the issue.