Steps to reproduce the issue:

1. git clone https://github.com/zhzz/types-react-issue.git && cd types-react-issue
2. yarn
3. yarn tsc --noEmit

Output:

index.tsx:14:61 - error TS7006: Parameter 'v' implicitly has an 'any' type.
14 export const Example = () => <Component value={1} onChange={v => v} />;
                                                               ~
Found 1 error.