An enhanced version of Firefox browser aimed at developers with tools, improved backend and debugging for HTML, JavaScript and CSS with a built-in style editor.
https://firefox-aurora-beta.en
Firefox Developer Edition (64-bit)
Firefox Developer Edition 123.0b9 (64-bit). Date released: 10 Feb 2024 (one week ago). Download · Firefox Developer Edition 123.0b8 (64-bit).
https://www.filehorse.com
Firefox Developer Edition 123.0.8-beta
Firefox Browser Developer Edition. Welcome to your new favorite browser. Get the latest features, fast performance, and the development tools you need to ...