As per the request here webpack/webpack.js.org#4099 (comment).

Describe the bug

webpack serve --open throws an error:

error: option '--open <value>' argument missing 

What is the current behavior?

To Reproduce

Steps to reproduce the behavior:

1. git clone https://github.com/chenxsan/webpack-demo
2. git checkout 8ffd9d229ce344fb4b595e4045aee7b074be16cc
3. npm install
4. npm start

Expected behavior

Screenshots

Please paste the results of webpack-cli info here, and mention other relevant information

Additional context