Top "Firefox-quantum" questions

Firefox Quantum is the code name for Firefox 57, which introduced a new user interface to Firefox called Photon, a new CSS engine called Stylo, and many speed improvements in comparison to previous versions of the browser.

Firefox 57 / Quantum: emulate print styles

How can I emulate the media type "print" in the new Firefox Quantum dev console? Tried to enable it somehow …

firefox firefox-quantum
How to make GM_getValue existent in Greasemonkey on Firefox?

The dupe candidate is for previous GM versions. The problem is likely somewhere around the different scopes where the userscripts …

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