I don’t recall being this excited about a Firefox browser in a long time. The first official release of Firefox Quantum drops tomorrow, and even if you’re firmly cemented into the Google Chrome camp, it’s absolutely worth a look. We covered the beta launch of Quantum a couple of months back . The biggest thing to note here is speed: Firefox Quantum is ridiculously fast, at least compared to earlier editions of Firefox. It boasts a new CSS engine, written in the company’s Rust programming language, that can work in parallel across cores, rather than just using one. Given that everyone and their grandmother is rocking a multi-core setup these days, this is a welcome leap forward. Quantum also does some trickery with tabs, prioritizing them in the order they’re used, making it up to 30-percent less RAM hungry than Google Chrome. Some tweaks are skin deep — although, that’s not a bad thing. Visually, Firefox Quantum is decidedly different,...