Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- `package.json`

app/javascript/packs/public.js

@@ -1,6 +1,7 @@
 import loadPolyfills from '../mastodon/load_polyfills';
 import ready from '../mastodon/ready';
 import { start } from '../mastodon/common';
+import loadKeyboardExtensions from '../mastodon/load_keyboard_extensions';
 
 start();
 
@@ -122,6 +123,9 @@ function main() {
   });
 }
 
-loadPolyfills().then(main).catch(error => {
-  console.error(error);
-});
+loadPolyfills()
+  .then(main)
+  .then(loadKeyboardExtensions)
+  .catch(error => {
+    console.error(error);
+  });