I’m not sure it is a complete reimagining, but it does take a developer first approach. Many Dev tools need to be extendable and the Firefox team has tried to do that with the built-in dev tools.
> The new Firefox DevTools are powerful, flexible, and best of all, *hackable*. This includes a best-in-class JavaScript debugger, which can target multiple browsers and is built in React and Redux.
> The new Firefox DevTools are powerful, flexible, and best of all, *hackable*. This includes a best-in-class JavaScript debugger, which can target multiple browsers and is built in React and Redux.
Here’s an example of extending the devtools for react https://addons.mozilla.org/en-US/firefox/addon/react-devtool...