As promised, Mozilla today launched Firefox Developer Edition, which it is calling “the first browser created specifically for developers.” The company wants to solve a very big problem ...

Mozilla has launched a bunch of new built in developer tools for Firefox, and the new tools are designed to let developers change the look and feel of web sites in real time.

Mozilla today also released Firefox Developer Edition 40 with new performance tools.

Why now? With Firefox having existed for a decade, Nightingale said that part of its decision to launch the standalone developer browser now was driven by its competitors’ development tools.

Firefox 70 includes the follow improvements for developers: The Developer Tools Accessibility panel now includes an audit for keyboard accessibility and a color deficiency simulator for systems ...

Mozilla releases Firefox 65 with updates to DevTools, such as Flexbox Inspector and JavaScript debugging improvements.

Differences between Firefox Nightly, Developer, Beta & Aurora editions of Firefox discussed. They are different from the Final consumer version.

The thing to remember about this new wave of open-source development - the apps, the plug-ins, the add-ons and so on - is that the developers who make great tools rarely get paid for their work ...

Firefox Developer Tools received significant fixes allowing screen reader users to benefit from some of the tools that were previously inaccessible.