• Added EXPERIMENTAL to_psgi method to Mojo::Server::PSGI.
  
• Removed experimental status from around_dispatch hook.
  
• Removed experimental status from emit_chain method in Mojolicious::Plugins.
  
• Removed experimental status from drain event in Mojo::Content.
  
• Improved portability of scripts.
  
• Fixed bug that can prevent foreign event loops from being able to control Mojo::IOLoop.