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

1 files changed, 5 insertions, 0 deletions

diff --git a/app/helpers/settings_helper.rb b/app/helpers/settings_helper.rb
index af950aa63..369a45680 100644
--- a/app/helpers/settings_helper.rb
+++ b/app/helpers/settings_helper.rb
@@ -30,6 +30,7 @@ module SettingsHelper
     th: 'ภาษาไทย',
     tr: 'Türkçe',
     uk: 'Українська',
+    zh: '中文',
     'zh-CN': '简体中文',
     'zh-HK': '繁體中文（香港）',
     'zh-TW': '繁體中文（臺灣）',
@@ -39,6 +40,10 @@ module SettingsHelper
     HUMAN_LOCALES[locale]
   end
 
+  def filterable_languages
+    I18n.available_locales.map { |locale| locale.to_s.split('-').first.to_sym }.uniq
+  end
+
   def hash_to_object(hash)
     HashObject.new(hash)
   end