Samsung Keyboard backspace causes crash

현상

On Android with Samsung Keyboard, holding backspace key causes contenteditable editor to crash.

재현 예시

1. Use Samsung Galaxy device with Samsung Keyboard.
2. Open Chrome for Android.
3. Type text in contenteditable editor (e.g., “Hello World”).
4. Hold backspace key to delete characters.

관찰된 동작

• Editor crashes: Complete crash when backspace is held
• JavaScript stops: All script execution halts
• Page unresponsive: Browser doesn’t respond
• Samsung specific: Gboard, SwiftKey do NOT cause this crash
• Rate-related: Rapid backspace events trigger the crash

참고사항

This case demonstrates that Samsung Keyboard has a specific backspace handling bug that causes editor crashes, while other keyboards work correctly.

Workarounds recommended:

• Rate-limit backspace events
• Use try-catch error handling
• Debounce backspace handling
• Recommend alternative keyboards (Gboard, SwiftKey)