Removed componentWillUpdate

src/components/inputs/StringInput.jsx

@@ -18,8 +18,10 @@ class StringInput extends React.Component {
     }
   }
 
-  UNSAFE_componentWillReceiveProps(nextProps) {
-    this.setState({ value: nextProps.value || '' })
+  static getDerivedStateFromProps(props, state) {
+    return {
+      value: props.value || ''
+    };
   }
 
   render() {