Rails 6.0 new framework defaults: what they do and how to safely uncomment them

This is a walkthrough of the nine default flags in new_framework_defaults_6_0.rb generated by rails app:update. At the end of this article you’ll feel confident in deleting that file and adding load_defaults 6.0 to your application.rb. This article assumes your application is on the 5.2 defaults. You can verify this be checking that load_defaults 5.2 is present in your application.rb. 1. Rails.app