add missing methods to avoid content block errors

app/controllers/hyrax/homepage_controller_decorator.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# OVERRIDE Hyrax 3.5 to add content blocks
+module Hyrax
+  module HomepageControllerDecorator
+
+    def index
+    @presenter = presenter_class.new(current_ability, collections)
+    @featured_researcher = ContentBlock.for(:researcher)
+    @marketing_text = ContentBlock.for(:marketing)
+    @featured_work_list = FeaturedWorkList.new
+    @announcement_text = ContentBlock.for(:announcement)
+    @homepage_about_section_heading = ContentBlock.for(:homepage_about_section_heading)
+    @homepage_about_section_content = ContentBlock.for(:homepage_about_section_content)
+    recent
+    end
+  end
+end
+
+Hyrax::HomepageController.prepend Hyrax::HomepageControllerDecorator

app/models/content_block.rb

@@ -16,7 +16,9 @@ class ContentBlock < ApplicationRecord
     help: :help_page,
     terms: :terms_page,
     agreement: :agreement_page,
-    home_text: :home_text
+    home_text: :home_text, 
+    homepage_about_section_heading: :homepage_about_section_heading,
+    homepage_about_section_content: :homepage_about_section_content
   }.freeze
 
   # NOTE: method defined outside the metaclass wrapper below because
@@ -90,6 +92,22 @@ def home_text=(value)
       home_text.update(value: value)
     end
 
+    def homepage_about_section_heading
+      find_or_create_by(name: 'homepage_about_section_heading')
+    end
+
+    def homepage_about_section_heading=(value)
+      homepage_about_section_heading.update(value: value)
+    end
+
+    def homepage_about_section_content
+      find_or_create_by(name: 'homepage_about_section_content')
+    end
+
+    def homepage_about_section_content=(value)
+      homepage_about_section_content.update(value: value)
+    end
+
     def about_page
       find_or_create_by(name: 'about_page')
     end