WASM build crashes on window resize #174122
Description
Steps to reproduce
- Create a simple app and build it for release
- Serve it in any way you want. (Preferably use
dart pub global run dhttpd) (important to first build and then serve as normal runs work as expected) - Resize the screen and check the browser console
Expected results
The app should work and not crash.
Actual results
UI crashes and fails to generate new frames.
Code sample
Code sample
flutter createScreenshots or Video
Screenshots / Video demonstration
-
Logs
Logs
Uncaught RangeError: Maximum call stack size exceeded
at main.dart.wasm:0x2c0432
at main.dart.wasm:0x2c04e1
at main.dart.wasm:0x2c04af
at main.dart.wasm:0x2c0432
at main.dart.wasm:0x2c04e1
at main.dart.wasm:0x2c04af
at main.dart.wasm:0x2c0432
at main.dart.wasm:0x2c04e1
at main.dart.wasm:0x2c56c0
at main.dart.wasm:0x2c0432Flutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.35.1, on macOS 15.5 24F74 darwin-arm64, locale en-DE) [384ms]
• Flutter version 3.35.1 on channel stable at \*
• Upstream repository ssh://git@github.com/flutter/flutter.git
• Framework revision 20f8274939 (6 days ago), 2025-08-14 10:53:09 -0700
• Engine revision 1e9a811bf8
• Dart version 3.9.0
• DevTools version 2.48.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations,
enable-lldb-debugging
[✓] Android toolchain - develop for Android devices (Android SDK version 36.0.0) [1,947ms]
• Android SDK at \*
• Emulator version 36.1.9.0 (build_id 13823996) (CL:N/A)
• Platform android-36, build-tools 36.0.0
• ANDROID_SDK_ROOT = \*
• Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
This is the JDK bundled with the latest Android Studio installation on this machine.
To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
• Java version OpenJDK Runtime Environment (build 21.0.6+-13391695-b895.109)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 16.4) [1,091ms]
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 16F6
• CocoaPods version 1.16.2
[✓] Chrome - develop for the web [11ms]
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2025.1) [10ms]
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 21.0.6+-13391695-b895.109)
[✓] VS Code (version 1.103.1) [9ms]
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.116.0
[✓] Network resources [270ms]
• All expected network resources are available.
• No issues found!