Fresh installs of everything and the latest code from the repo produced this error:
Failed to compile
./node_modules/react-say/lib/SayPrimitive.js
Module not found: Can't resolve 'babel-runtime/core-js/object/get-prototype-of' in 'C:\Code\BotFramework-WebChat\samples\12.customization-minimizable-web-chat\node_modules\react-say\lib'
Fresh installs of everything and the latest code from the repo produced this error: