[webview_flutter] Crash when opening webview on iOS after updating transitive webview_flutter_wkwebview to 3.18.0 #162437
Description
Steps to reproduce
Some users reported that just opening a webview causes a crash almost every time.
We also got several crash reports on Firebase Crashlytics.
Expected results
I expect the app to not crash when opening a webview.
Actual results
App crashes.
Code sample
Can't really reproduce on my side if I create a minimal sample project, but please check the crash report.
Also, I noted that pinning webview_flutter_wkwebview to 3.17.0 solves the issue, so the bug must got introduced since then.
Screenshots or Video
No response
Logs
Flutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.27.3, on macOS 15.2 24C101 darwin-arm64, locale en-PT)
• Flutter version 3.27.3 on channel stable at /opt/homebrew/Caskroom/flutter/3.13.7/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision c519ee916e (9 days ago), 2025-01-21 10:32:23 -0800
• Engine revision e672b006cb
• Dart version 3.6.1
• DevTools version 2.40.2
[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
• Android SDK at /Users/antonio/Library/Android/sdk
• Platform android-35, build-tools 35.0.0
• Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 21.0.4+-12422083-b607.1)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 16.2)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 16C5032a
• CocoaPods version 1.16.2
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2024.2)
• 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 21.0.4+-12422083-b607.1)
[✓] VS Code (version 1.96.4)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.102.0
[✓] Connected device (4 available)
• iPhone 16 Pro (mobile) • 01C8DB8E-568F-43FA-A971-626A012767BD • ios •
com.apple.CoreSimulator.SimRuntime.iOS-18-2 (simulator)
• macOS (desktop) • macos • darwin-arm64 • macOS 15.2 24C101 darwin-arm64
• Mac Designed for iPad (desktop) • mac-designed-for-ipad • darwin • macOS 15.2 24C101 darwin-arm64
• Chrome (web) • chrome • web-javascript • Google Chrome 132.0.6834.112
! Error: Browsing on the local area network for António’s iPhone. Ensure the device is unlocked and attached with a cable or
associated with the same local area network as this Mac.
The device must be opted into Developer Mode to connect wirelessly. (code -27)
[✓] Network resources
• All expected network resources are available.
• No issues found!