appraise "rails-6-1" do gem "rails", "~> 6.1.0" end appraise "rails-7-0" do gem "rails", "~> 7.0.0" end appraise "rails-7-1" do gem "rails", "~> 7.1.0.beta1" end appraise "rails-main" do gem "rails", github: "rails/rails" end