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Description
Steps to reproduce
checkout https://github.com/willsmanley/flutter-textfield-keyboard-ios-bug
run on a physical ios device (with either impeller or skia)
press the textfield to focus it and trigger a keyboard open. the first time during app run takes 2 second lag. every subsequent time is immediate.
note: it only happens the very first time you open the keyboard. hot restarting and hot reloading will not reset this. only by rebuilding can you experience the lag again.
Expected results
should open immediately like native swift apps
Actual results
opens keyboard after 1-2 second delay
Code sample
https://github.com/willsmanley/flutter-textfield-keyboard-ios-bug
Screenshots or Video
No response
Logs
n/a
Flutter Doctor output
Doctor output
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.27.0, on macOS 15.1 24B2082 darwin-arm64, locale en-US)
[✗] Android toolchain - develop for Android devices
✗ Unable to locate Android SDK.
Install Android Studio from: https://developer.android.com/studio/index.html
On first launch it will assist you in installing the Android SDK components.
(or visit https://flutter.dev/to/macos-android-setup for detailed instructions).
If the Android SDK has been installed to a custom location, please use
`flutter config --android-sdk` to update to that location.
[✓] Xcode - develop for iOS and macOS (Xcode 16.2)
[✓] Chrome - develop for the web
[!] Android Studio (not installed)
[✓] Connected device (6 available)
[✓] Network resources
! Doctor found issues in 2 categories.Metadata
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Important issues not at the top of the work listA truly polished experienceEntering text in a text field or keyboard related problemsFound to occur in 3.27Found to occur in 3.28For the attention of Text Input teamThe issue has been confirmed reproducible and is ready to work oniOS applications specificallyOwned by iOS platform teamTriaged by iOS platform team