• Added EXPERIMENTAL support for performing computationally expensive operations in subprocesses, without blocking the
  event loop. (jberger, kraih)
  
• Added EXPERIMENTAL module Mojo::IOLoop::Subprocess. (jberger, kraih)
  
• Added EXPERIMENTAL subprocess method to Mojo::IOLoop. (jberger, kraih)
  
• Improved many methods in Mojolicious::Controller to die more gracefully if the connection has already been closed.
  
• Fixed bug where Mojo::UserAgent would try to follow redirects for CONNECT requests.