Hook up AV::Rendering on AV intialization

actionpack/lib/abstract_controller/base.rb

@@ -163,6 +163,8 @@ module AbstractController
       method_for_action(action_name).present?
     end
 
+    ActiveSupport.run_load_hooks(:abstract_controller, self)
+
     private
 
       # Returns true if the name can be considered an action because

actionpack/lib/action_controller/metal/rendering.rb

@@ -2,8 +2,6 @@ module ActionController
   module Rendering
     extend ActiveSupport::Concern
 
-    include ActionView::Rendering
-
     # Before processing, set the request formats in current controller formats.
     def process_action(*) #:nodoc:
       self.formats = request.formats.map(&:ref).compact

actionview/lib/action_view/railtie.rb

@@ -36,10 +36,14 @@ module ActionView
       end
     end
 
-    initializer "action_view.setup_action_controller" do |app|
+    initializer "action_view.setup_action_pack" do |app|
       ActiveSupport.on_load(:action_controller) do
         ActionController::Base.send(:include, ActionView::Layouts)
       end
+
+      ActiveSupport.on_load(:abstract_controller) do
+        AbstractController::Base.send(:include, ActionView::Rendering)
+      end
     end
   end
 end