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

Conflicts:
- `app/javascript/packs/public.js`:
  Conflict because part of that file has been split to
  `app/javascript/core/settings.js`. Ported those changes
  there.

app/lib/feed_manager.rb

@@ -205,7 +205,7 @@ class FeedManager
   private
 
   def push_update_required?(timeline_id)
-    redis.exists("subscribed:#{timeline_id}")
+    redis.exists?("subscribed:#{timeline_id}")
   end
 
   def blocks_or_mutes?(receiver_id, account_ids, context)