Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
The message you received is common when you have ruby 2.0.0p0 (2013-02-24) on top of Windows. The message “DL is deprecated, please use Fiddle” is not an error; it’s only a warning. The source is the Deprecation notice for DL introduced some time ago in dl.rb ( see revisions/37910 ). On Windows the lib/ruby/site_ruby/2.0.0/readline.rb file … Read more