Ran into this last week on a multiline TextInput and lost a chunk of a day to it. Writing it up in case someone else hits the same thing. The bug I've got a multiline TextInput hooked up with react-native-controlled-mentions and a suggestions dropdown above it.
Source: [Dev.to](https://dev.to/dheerajakula/why-programmatic-inserts-dont-wrap-on-ios-multiline-textinput-and-the-one-line-native-fix-3di1)