https://techcrunch.com/2017/11/14/firefox-aims-to-win-back-chrome-users-with-its-souped-up-quantum-browser/ [techcrunch.com]
https://www.theverge.com/2017/11/14/16648886/firefox-quantum-live-now-out-of-beta-how-to-download [theverge.com]
https://arstechnica.com/gadgets/2017/11/firefoxs-major-quantum-upgrade-now-rolling-out-to-everyone/ [arstechnica.com]
Parts of the browser are coded in Rust!