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Firefox Quantum is the latest revision of the Firefox web browser. It claims to be faster and less memory-hungry. I tried it.

Firefox 57 was released on November 14, 2017, with the name Firefox Quantum. ZDNet dubbed it a comeback following years of falling market share ...

It differs in both appearance and funtionality. For example, FFQ does not support full themes, RSS/Atom feeds, podcast and vodcast feeds, JAR ...

I decided I'd run a simple experiment. I would use Firefox Quantum for a few weeks and see if it was worth the hassle of a browser switch.

Quantum is a marketing name for the current stable version that most people should be using. Nightly is a frequently updated, unstable test version.

Quantum is a mess, a serious loss of functionality because it removes the rich, powerful suite of add-ons/tools.

Firefox Quantum was a revolution. In 2017, we created a new, lightning fast browser that constantly improves. Firefox Quantum is the Firefox Browser.

Yes, Firefox and Firefox Quantum are the same - they just changed the naming convention of the product to indicate a major shift (a quantum leap, according to ...

Quantum is just the code name for Firefox version 57 and newer . They have improvements compared to older versions, not newer ones. Newer versions of Firefox say Firefox Browser instead of Firefox Quantum, but they're based on the same thing.

No, there's no difference. Quantum is a sort of branding label they applied after a significant set of code changes...around version 57 I think.