Chinese IME composition cancelled by scrolling on Android Chrome
OS: Android 14.0 · Device: Phone or Tablet Any · Browser: Chrome 120.0
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Japanese IME composition cancelled by scrolling on iOS Safari
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Each row is a concrete case for this scenario, with a dedicated document and playground.
| Case | OS | Device | Browser | Keyboard | Status |
|---|---|---|---|---|---|
| ce-0194-japanese-ime-scroll-cancels-ios-safari | iOS 17.0 | iPhone or iPad Any | Safari 17.0 | Japanese (IME) | draft |
| ce-0205-chinese-ime-scroll-cancels-android-chrome | Android 14.0 | Phone or Tablet Any | Chrome 120.0 | Chinese (IME - Pinyin) | draft |
This matrix shows which browser and OS combinations have documented cases for this scenario. Click on a cell to view the specific case.
| Browser | Android | iOS |
|---|---|---|
| Chrome | — | |
| Safari | — |
This scenario affects multiple languages. Cases are grouped by language/input method below.
OS: Android 14.0 · Device: Phone or Tablet Any · Browser: Chrome 120.0
Open case →OS: iOS 17.0 · Device: iPhone or iPad Any · Browser: Safari 17.0
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When a contenteditable element has CSS backdrop-filter applied, rendering may be affected. Text may appear blurry, selection may not render correctly, and performance may be degraded, especially on mobile devices.
On mobile devices, the combination of enterkeyhint and inputmode attributes may affect Enter key behavior inconsistently on contenteditable elements. The Enter key may insert line breaks when it should perform an action, or vice versa.
Comprehensive system for managing IME (Input Method Editor) composition state across different browsers and IME implementations, including state tracking, event normalization, and cross-platform consistency.
In Safari desktop, when preventDefault() is called on keydown or beforeinput events for insertParagraph (Enter key), the IME composition state becomes corrupted. Subsequent text input fails to trigger proper input events, causing characters to not be inserted or composition to malfunction.
On iOS, when using voice dictation to input text into contenteditable elements, the system may fire duplicate beforeinput and input events after the initial dictation completes. The text is split into words and events are re-fired, causing synchronization issues. Composition events do not fire during dictation, making it difficult to distinguish dictation from keyboard input.
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