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

Conflicts:
- app/controllers/statuses_controller.rb
  minor conflict because of glitch-soc's theming system
- app/controllers/stream_entries_controller.rb
  minor conflict because of glitch-soc's theming system

app/controllers/statuses_controller.rb

@@ -28,7 +28,11 @@ class StatusesController < ApplicationController
     respond_to do |format|
       format.html do
         use_pack 'public'
-        mark_cacheable! unless user_signed_in?
+
+        unless user_signed_in?
+          skip_session!
+          expires_in 10.seconds, public: true
+        end
 
         @body_classes = 'with-modals'