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/services/remove_status_service.rb

@@ -126,8 +126,8 @@ class RemoveStatusService < BaseService
     return unless @status.public_visibility?
 
     @tags.each do |hashtag|
-      redis.publish("timeline:hashtag:#{hashtag}", @payload)
-      redis.publish("timeline:hashtag:#{hashtag}:local", @payload) if @status.local?
+      redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", @payload)
+      redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", @payload) if @status.local?
     end
   end