ActiveSupport Deprecation #debug attribute debug Ruby on Rails 3.0.20 Since v3.0.20 Last seen in v3.2.22.5 Available in: v3.0.20 v3.1.12 v3.2.22.5 Compare with: … v3.1.12 v3.2.22.5 Whether to print a backtrace along with the warning.
