One-line fix resolves iOS multiline TextInput clipping bug after programmatic inserts
A software engineer at Nutanix discovered that iOS multiline TextInput components fail to resize after programmatic text insertions, clipping wrapped lines until the user types manually. The issue stems from the react-native-controlled-mentions library driving TextInput via children props rather than the value prop, bypassing a native updateContentSize call that normally handles resizing. A longstanding React Native GitHub issue from 2016 documents the bug, with popular workarounds like key-based remounting causing visible keyboard flicker. The engineer found that using requestAnimationFrame combined with setNativeProps to nudge the native view forces iOS to recompute layout and display the wrapped text correctly. This approach eliminates the need for remounting or focus changes, resolving the clipping with a single native round-trip and no user-visible disruption.
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