Local-only option and dropdown all working

app/javascript/mastodon/features/compose/containers/advanced_options_container.js

@@ -1,3 +1,17 @@
+import { connect } from 'react-redux';
 import AdvancedOptionsDropdown from '../components/advanced_options_dropdown';
+import { changeComposeAdvancedOption } from '../../../actions/compose';
 
-export default AdvancedOptionsDropdown;
+const mapStateToProps = state => ({
+  values: state.getIn(['compose', 'advanced_options']),
+});
+
+const mapDispatchToProps = dispatch => ({
+
+  onChange (option) {
+    dispatch(changeComposeAdvancedOption(option));
+  },
+
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(AdvancedOptionsDropdown);

app/javascript/mastodon/features/compose/containers/compose_form_container.js

@@ -15,6 +15,7 @@ const mapStateToProps = state => ({
   text: state.getIn(['compose', 'text']),
   suggestion_token: state.getIn(['compose', 'suggestion_token']),
   suggestions: state.getIn(['compose', 'suggestions']),
+  advanced_options: state.getIn(['compose', 'advanced_options']),
   spoiler: state.getIn(['compose', 'spoiler']),
   spoiler_text: state.getIn(['compose', 'spoiler_text']),
   privacy: state.getIn(['compose', 'privacy']),