diff --git a/app/helpers/jsonld_helper.rb b/app/helpers/jsonld_helper.rb
index c6557817d0a481..ef16eef0864ae2 100644
--- a/app/helpers/jsonld_helper.rb
+++ b/app/helpers/jsonld_helper.rb
@@ -54,7 +54,7 @@ def supported_context?(json)
   end
 
   def unsupported_uri_scheme?(uri)
-    !uri.start_with?('http://', 'https://')
+    uri.nil? || !uri.start_with?('http://', 'https://')
   end
 
   def invalid_origin?(url)
diff --git a/app/javascript/flavours/glitch/packs/admin.js b/app/javascript/flavours/glitch/packs/admin.js
index b26df932cabc27..4c09ddb05c8024 100644
--- a/app/javascript/flavours/glitch/packs/admin.js
+++ b/app/javascript/flavours/glitch/packs/admin.js
@@ -1,48 +1,24 @@
 import 'packs/public-path';
-import loadPolyfills from 'flavours/glitch/util/load_polyfills';
 import ready from 'flavours/glitch/util/ready';
-import loadKeyboardExtensions from 'flavours/glitch/util/load_keyboard_extensions';
 
-function main() {
-  const { delegate } = require('@rails/ujs');
-
-  ready(() => {
-    const React    = require('react');
-    const ReactDOM = require('react-dom');
-
-    [].forEach.call(document.querySelectorAll('[data-admin-component]'), element => {
-      const componentName  = element.getAttribute('data-admin-component');
-      const { locale, ...componentProps } = JSON.parse(element.getAttribute('data-props'));
-
-      import('flavours/glitch/containers/admin_component').then(({ default: AdminComponent }) => {
-        return import('flavours/glitch/components/admin/' + componentName).then(({ default: Component }) => {
-          ReactDOM.render((
-            <AdminComponent locale={locale}>
-              <Component {...componentProps} />
-            </AdminComponent>
-          ), element);
-        });
-      }).catch(error => {
-        console.error(error);
+ready(() => {
+  const React    = require('react');
+  const ReactDOM = require('react-dom');
+
+  [].forEach.call(document.querySelectorAll('[data-admin-component]'), element => {
+    const componentName  = element.getAttribute('data-admin-component');
+    const { locale, ...componentProps } = JSON.parse(element.getAttribute('data-props'));
+
+    import('flavours/glitch/containers/admin_component').then(({ default: AdminComponent }) => {
+      return import('flavours/glitch/components/admin/' + componentName).then(({ default: Component }) => {
+        ReactDOM.render((
+          <AdminComponent locale={locale}>
+            <Component {...componentProps} />
+          </AdminComponent>
+        ), element);
       });
+    }).catch(error => {
+      console.error(error);
     });
   });
-
-  delegate(document, '.sidebar__toggle__icon', 'click', () => {
-    const target = document.querySelector('.sidebar ul');
-
-    if (target.style.display === 'block') {
-      target.style.display = 'none';
-    } else {
-      target.style.display = 'block';
-    }
-  });
-}
-
-loadPolyfills()
-  .then(main)
-  .then(loadKeyboardExtensions)
-  .catch(error => {
-    console.error(error);
-
-  });
+});
diff --git a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
index 4a87714e644804..f433e4de9faa6a 100644
--- a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
@@ -170,7 +170,7 @@ class EmojiPickerMenu extends React.PureComponent {
 
   state = {
     modifierOpen: false,
-    placement: null,
+    readyToFocus: false,
   };
 
   handleDocumentClick = e => {
@@ -182,6 +182,16 @@ class EmojiPickerMenu extends React.PureComponent {
   componentDidMount () {
     document.addEventListener('click', this.handleDocumentClick, false);
     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
+
+    // Because of https://github.com/react-bootstrap/react-bootstrap/issues/2614 we need
+    // to wait for a frame before focusing
+    requestAnimationFrame(() => {
+      this.setState({ readyToFocus: true });
+      if (this.node) {
+        const element = this.node.querySelector('input[type="search"]');
+        if (element) element.focus();
+      }
+    });
   }
 
   componentWillUnmount () {
@@ -281,7 +291,7 @@ class EmojiPickerMenu extends React.PureComponent {
           showSkinTones={false}
           backgroundImageFn={backgroundImageFn}
           notFound={notFoundFn}
-          autoFocus
+          autoFocus={this.state.readyToFocus}
           emojiTooltip
         />
 
@@ -314,6 +324,7 @@ class EmojiPickerDropdown extends React.PureComponent {
   state = {
     active: false,
     loading: false,
+    placement: null,
   };
 
   setRef = (c) => {
diff --git a/app/javascript/packs/public.js b/app/javascript/packs/public.js
index 7ebe8b4d0c6d63..be467a8e25c6dd 100644
--- a/app/javascript/packs/public.js
+++ b/app/javascript/packs/public.js
@@ -151,13 +151,7 @@ function main() {
   });
 
   delegate(document, '.sidebar__toggle__icon', 'click', () => {
-    const target = document.querySelector('.sidebar ul');
-
-    if (target.style.display === 'block') {
-      target.style.display = 'none';
-    } else {
-      target.style.display = 'block';
-    }
+    document.querySelector('.sidebar ul').classList.toggle('visible');
   });
 
   // Empty the honeypot fields in JS in case something like an extension
diff --git a/app/javascript/styles/mastodon/admin.scss b/app/javascript/styles/mastodon/admin.scss
index d28470747da25c..4e3d2aaa713411 100644
--- a/app/javascript/styles/mastodon/admin.scss
+++ b/app/javascript/styles/mastodon/admin.scss
@@ -322,6 +322,10 @@ $content-width: 840px;
 
       & > ul {
         display: none;
+
+        &.visible {
+          display: block;
+        }
       }
 
       ul a,