Improvements

• parallel: process: Improved performance on Windows.

  • GH-368

• Improved compatibility with Ruby::Box on $!.

  • GH-370
  • Patch by MATSUMOTO Katsuyoshi

• doc: Added a process option in parallel options.

  • GH-373

• Improved the -I option. You can prepend load paths to prioritize
  your development library over the system library.

  • ruby/rubygems#9572
  • GH-375

Thanks

• MATSUMOTO Katsuyoshi