Firefox 56: Last Stop before Quantum

Here at Mozilla, we’re extremely excited about next month’s release of Firefox Quantum, with massive speed improvements, a brand new UI, and many Developer Tools upgrades — available now in Developer Edition. But last week’s general release of Firefox 56 features good news for developers now – including “headless mode" across all OSes, our modern new debugger, and much more.

Link: https://hacks.mozilla.org/2017/10/firefox-56-last-stop-before-quantum/