Mac OS X 10.9 or later
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What makes the newest developer editions different from the previous versions is they don’t use the Aurora channel as their basis anymore. Now they use the Beta channel as their basis.
Enhanced Engine to Attract Previous Firefox Users
The next-generation web browser engine lets Firefox utilize virtually all the CPU cores of your computer. You’ll notice a faster performance within seconds after you begin browsing with it.
The primary goal for this engine was better performance, but there were improvements made to its privacy features too. For example, Quantum can block trackers on the internet and prevent your privacy from being compromised.
The Latest Firefox Helps Web Developers
There are several new features for the Inspector, Console and Network tabs. For example, CSS work can now be done with the Inspector. As for the Console, it now lets you inspect in-line objects and conduct group messaging.
The new “Photon” user interface comes with a refreshed appearance
The GUI design pattern of the interface is brand new and feels more modernized. The square tabs have replaced the curvy tabs. Plus, there is a new main menu that is better organized than the old menu.
The tab window of Firefox Developer Edition for macOS is new and includes a list of recommended stories and most-visited websites.
A totally redesigned engine which looks new and performs better
Within the last couple of years, Quantum is a huge innovation for Firefox and certainly outperforms the competition. This will certainly help bring back the Firefox browser into the mainstream.
Also Available: Download Firefox Developer Edition for Windows