You now have the latest version of Firefox Developer Edition.
View the release notes to see what’s new.
Resources for Developers, by Developers
Playground
Write, test and share your code. Your playground to learn and share your amazing work with the world.
MDN Blog
Unlock the world of web development with the MDN Blog — your go-to hub for expert insights, latest web standards, and coding tips.
Updates
The web doesn’t have a changelog, but MDN can help. You can personalize and filter compatibility changes based on browsers or the tech category you are interested in whether that is JavaScript, CSS, etc.