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

Conflicts:
- app/models/user.rb
- app/serializers/initial_state_serializer.rb
- app/views/admin/dashboard/index.html.haml
- config/locales/simple_form.en.yml

app/lib/formatter.rb

@@ -380,7 +380,7 @@ class Formatter
   end
 
   def hashtag_html(tag)
-    "<a href=\"#{encode(tag_url(tag.downcase))}\" class=\"mention hashtag\" rel=\"tag\">#<span>#{encode(tag)}</span></a>"
+    "<a href=\"#{encode(tag_url(tag))}\" class=\"mention hashtag\" rel=\"tag\">#<span>#{encode(tag)}</span></a>"
   end
 
   def mention_html(account)