Merge tag 'v1.6.0rc4' into sync/upstream-1.6.0rc4

Conflicts:
      app/javascript/mastodon/features/getting_started/index.js
      app/javascript/packs/public.js
      app/javascript/styles/components.scss

app/javascript/mastodon/features/ui/components/embed_modal.js

@@ -33,7 +33,8 @@ export default class EmbedModal extends ImmutablePureComponent {
       iframeDocument.close();
 
       iframeDocument.body.style.margin = 0;
-      this.iframe.height = iframeDocument.body.scrollHeight + 'px';
+      this.iframe.width  = iframeDocument.body.scrollWidth;
+      this.iframe.height = iframeDocument.body.scrollHeight;
     });
   }
 
@@ -71,7 +72,6 @@ export default class EmbedModal extends ImmutablePureComponent {
 
           <iframe
             className='embed-modal__iframe'
-            scrolling='no'
             frameBorder='0'
             ref={this.setIframeRef}
             title='preview'

app/javascript/mastodon/features/ui/index.js

@@ -36,6 +36,7 @@ import {
   FavouritedStatuses,
   Blocks,
   Mutes,
+  PinnedStatuses,
 } from './util/async-components';
 
 // Dummy import, to make sure that <Status /> ends up in the application bundle.
@@ -235,6 +236,7 @@ export default class UI extends React.PureComponent {
 
             <WrappedRoute path='/notifications' component={Notifications} content={children} />
             <WrappedRoute path='/favourites' component={FavouritedStatuses} content={children} />
+            <WrappedRoute path='/pinned' component={PinnedStatuses} content={children} />
 
             <WrappedRoute path='/statuses/new' component={Compose} content={children} />
             <WrappedRoute path='/statuses/:statusId' exact component={Status} content={children} />

app/javascript/mastodon/features/ui/util/async-components.js

@@ -34,6 +34,10 @@ export function GettingStarted () {
   return import(/* webpackChunkName: "features/getting_started" */'../../getting_started');
 }
 
+export function PinnedStatuses () {
+  return import(/* webpackChunkName: "features/pinned_statuses" */'../../pinned_statuses');
+}
+
 export function AccountTimeline () {
   return import(/* webpackChunkName: "features/account_timeline" */'../../account_timeline');
 }