react/packages/react-devtools-extensions/edge/README.md

The Microsoft Edge extension

The source code for this extension has moved to shells/webextension.

Modify the source code there and then rebuild this extension by running node build from this directory or yarn run build:extension:edge from the root directory.

Testing in Microsoft Edge

You can test a local build of the web extension like so:

1. Build the extension: node build
2. Follow the on-screen instructions.