diff --git a/app/javascript/mastodon/containers/compose_container.jsx b/app/javascript/mastodon/containers/compose_container.jsx
index 7bc7bbaa4dc..a4c5f3cb493 100644
--- a/app/javascript/mastodon/containers/compose_container.jsx
+++ b/app/javascript/mastodon/containers/compose_container.jsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { Provider } from 'react-redux';
 import PropTypes from 'prop-types';
-import configureStore from '../store/configureStore';
+import { store } from '../store/configureStore';
 import { hydrateStore } from '../actions/store';
 import { IntlProvider, addLocaleData } from 'react-intl';
 import { getLocale } from '../locales';
@@ -12,8 +12,6 @@ import { fetchCustomEmojis } from '../actions/custom_emojis';
 const { localeData, messages } = getLocale();
 addLocaleData(localeData);
 
-const store = configureStore();
-
 if (initialState) {
   store.dispatch(hydrateStore(initialState));
 }
diff --git a/app/javascript/mastodon/reducers/notifications.js b/app/javascript/mastodon/reducers/notifications.js
index 44fa1c61340..0530a52b4c9 100644
--- a/app/javascript/mastodon/reducers/notifications.js
+++ b/app/javascript/mastodon/reducers/notifications.js
@@ -23,8 +23,8 @@ import {
   MARKERS_FETCH_SUCCESS,
 } from '../actions/markers';
 import {
-  APP_FOCUS,
-  APP_UNFOCUS,
+  focusApp,
+  unfocusApp,
 } from '../actions/app';
 import { DOMAIN_BLOCK_SUCCESS } from 'mastodon/actions/domain_blocks';
 import { TIMELINE_DELETE, TIMELINE_DISCONNECT } from '../actions/timelines';
@@ -258,9 +258,9 @@ export default function notifications(state = initialState, action) {
     return updateMounted(state);
   case NOTIFICATIONS_UNMOUNT:
     return state.update('mounted', count => count - 1);
-  case APP_FOCUS:
+  case focusApp.type:
     return updateVisibility(state, true);
-  case APP_UNFOCUS:
+  case unfocusApp.type:
     return updateVisibility(state, false);
   case NOTIFICATIONS_LOAD_PENDING:
     return state.update('items', list => state.get('pendingItems').concat(list.take(40))).set('pendingItems', ImmutableList()).set('unread', 0);
diff --git a/babel.config.js b/babel.config.js
index 0b81f1453fe..abfdc5b2ca4 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -9,6 +9,9 @@ module.exports = (api) => {
     loose: true,
     modules: false,
     debug: false,
+    include: [
+      'proposal-numeric-separator',
+    ],
   };
 
   const config = {