From fa6b93893e64383d4bf5870fd35174f942b537b2 Mon Sep 17 00:00:00 2001
From: Stephen Kenworthy <steveyken@gmail.com>
Date: Sat, 28 Oct 2023 14:13:42 +0800
Subject: [PATCH] We serialize fields using HashWithIndifferentAccess so need
 to whitelist this class for the YAML coder.

---
 config/application.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config/application.rb b/config/application.rb
index 80c573123..8f7edf745 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -78,6 +78,7 @@ class Application < Rails::Application
     config.active_record.use_yaml_unsafe_load = false
     config.active_record.yaml_column_permitted_classes = [
       ::ActiveRecord::Type::Time::Value,
+      ::ActiveSupport::HashWithIndifferentAccess, # for Field#settings serialization see app/models/fields/field.rb
       ::ActiveSupport::TimeWithZone,
       ::ActiveSupport::TimeZone,
       ::BigDecimal,