Firefox Quantum Lands in Beta, Developer Edition - Mozilla
https://blog.mozilla.org/en/products/firefox/firefox-quantum-beta-developer-edition/
WebSep 26, 2017 · If you’re already among the Firefox faithful, you’ll automatically upgrade to Firefox Quantum on November 14. But, if you enjoy the cutting edge, you can try it in Beta on desktop, Android, and iOS. Or, if you’re a web developer, download Developer Edition, which includes brand new, cutting-edge tools for those who build the web.
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