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[web] Keyboard input stops working after toggling obscureText via suffixIcon and blurring the field #192102
Description
Steps to reproduce
Run the sample below on Flutter Web (Chrome).
- Click the password field and type some text.
- Click the visibility icon in suffixIcon to toggle obscureText to false.
- Click outside the field (or press Tab) to blur it.
- Click the text field again (or another text field) and try typing.
- Repeat steps 1-4 several times
Expected results
The field should accept keyboard input normally after toggling visibility and blurring/refocusing.
Actual results
Keyboard input no longer works. The field may appear focused (cursor visible) but keystrokes are not received.
Code sample
Code sample
import 'package:flutter/material.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(colorScheme: .fromSeed(seedColor: Colors.deepPurple)),
home: const MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key});
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool _obscureText = true;
void _toggleObscureText() {
setState(() {
_obscureText = !_obscureText;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Center(
child: Column(
mainAxisAlignment: .center,
children: [
TextField(
obscureText: _obscureText,
decoration: InputDecoration(
suffixIcon: InkWell(
onTap: _toggleObscureText,
child: _obscureText
? const Icon(Icons.visibility)
: const Icon(Icons.visibility_off),
),
),
),
],
),
),
);
}
}Screenshots or Video
Screen.Recording.2026-09-01.at.10.55.30.mov
Video demonstration
Screen.Recording.2026-09-01.at.10.55.30.mov
Logs
Logs
/Users/shorben/Documents/Projects/flutter/bin/flutter --no-color run --machine --track-widget-creation --device-id=chrome --start-paused --dart-define=flutter.inspector.structuredErrors=true --devtools-server-address=http://127.0.0.1:9102 lib/main.dart
Launching lib/main.dart on Chrome in debug mode...
Waiting for connection from debug service on Chrome...
This app is linked to the debug service: ws://127.0.0.1:61298/RqGk-dz483o=/ws
Debug service listening on ws://127.0.0.1:61298/RqGk-dz483o=/ws
A Dart VM Service on Chrome is available at: http://127.0.0.1:61298/RqGk-dz483o=
The Flutter DevTools debugger and profiler on Chrome is available at: http://127.0.0.1:9102?uri=ws://127.0.0.1:61298/RqGk-dz483o=/ws
Debug service listening on ws://127.0.0.1:61298/RqGk-dz483o=/ws
Starting application from main method in: org-dartlang-app:///web_entrypoint.dart.Flutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.47.2, on macOS 26.6.2 25G83 darwin-arm64, locale
en-UA) [387ms]
• Flutter version 3.47.2 on channel stable at
/Users/shorben/Documents/Projects/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision d3b14c8769 (5 days ago), 2026-08-26 16:07:51 -0700
• Engine revision a804b26164
• Dart version 3.13.2
• DevTools version 2.60.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop,
enable-windows-desktop, enable-android, enable-ios, cli-animations,
enable-native-assets, enable-record-use, enable-swift-package-manager,
omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration
[!] Android toolchain - develop for Android devices (Android SDK version 36.1.0)
[666ms]
• Android SDK at /Users/shorben/Library/Android/sdk
• Emulator version 37.1.11.0 (build_id 15917651) (CL:N/A)
• Platform android-36.1, build-tools 36.1.0
• ANDROID_HOME = /Users/shorben/Library/Android/sdk
• 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 25.0.2+-15348964-b329.117)
✗ Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/to/macos-android-setup for more details.
[✓] Xcode - develop for iOS and macOS (Xcode 26.2) [814ms]
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 17C52
• CocoaPods version 1.16.2
[✓] Chrome - develop for the web [5ms]
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Connected device (4 available) [5.9s]
• Serhii’s iPhone (mobile) • 00008130-0002402A3A92001C • ios • iOS 26.6 23G71
• iPhone SE (3rd generation) (mobile) • AB18A93F-6D2E-4102-8475-5C11B22E33CD • ios •
com.apple.CoreSimulator.SimRuntime.iOS-26-2 (simulator)
• macOS (desktop) • macos • darwin-arm64 • macOS 26.6.2 25G83
darwin-arm64
• Chrome (web) • chrome • web-javascript • Google Chrome 152.0.7977.65
[✓] Network resources [853ms]
• All expected network resources are available.
! Doctor found issues in 1 category.
Activity
saurabh-mirajkar commentedon Sep 1, 2026
@shorbenko Thanks for the report. Labelling for team to investigate further.
justinmc commentedon Sep 3, 2026
@saurabh-mirajkar Could you try this on one or two older versions of Flutter and see if the bug still exists? I'm wondering if this is a regression or not. Maybe try before PR #183488, which could be related.
Also, are we sure this is web only?
I'm wondering if this has to do with focus or the TextInputConnection getting closed and not reopened.
17 remaining items
flutter-zl commentedon Oct 8, 2026
This is the same root cause as #192544. Toggling obscureText sends TextInput.updateConfig to the web engine, which then drops the field's hidden input instead of saving its form for reuse. The field only dies after its form has been reused once, which is why the steps need a few rounds. The form reuse came from #182024, which matches the 3.41.9 to 3.44.x regression window.
#194015 fixes both. Demo with this issue's sample as Field C:
Before: https://flutter-demo-74-before.web.app
After: https://flutter-demo-74-after.web.app
[web] Preserve active autofill form across text input configuration u…
github-actions commentedon Oct 22, 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.[web] Preserve active autofill form across text input configuration u…