Firefox Developer Edition

What it does

Firefox Developer Edition is the blazing fast browser that offers cutting edge developer tools and latest features like CSS Grid support and framework debugging

Welcome to your new favorite browser. Get the latest features, fast performance, and the development tools you need to build for the open web. Firefox Developer Edition is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Firefox Developer Edition is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Using Debian, Ubuntu or any Debian-based distribution? You can set up our APT repository instead . Firefox Developer Edition automatically sends feedback to Mozilla. Learn more All the latest developer tools in beta in addition to features like the Multi-line…from firefox.com

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