Patches Fix with-custom-reverse-proxy example: #5064 Update .babelrc: #5063 Update dependencies in package.json: #5066 Fix devtoolModuleFilenames for react-error-overlay: #5055 Upgrade to styled-jsx@canary: #5067 Credits Huge thanks to @danielr18, @vpicone, @popugune, and @HaNdTriX for helping!