• Added support for YAML config files.
  
• Added module Mojolicious::Plugin::NotYAMLConfig.
  
• Improved app generator command to use a YAML config file.
  
• Fixed a bug in proxy helpers that caused response content to be ignored in some cases. (mohawk2)
  
• Fixed attr_is bug in Test::Mojo that prevented false value comparisons from working correctly. (tim-2)