Tofino is not a rewrite of the web runtime, it only deals with the front-end. It's likely not the part you want to rewrite in Rust, unlike Servo which focuses o

Tofino is not a rewrite of the web runtime, it only deals with the front-end. It's likely not the part you want to rewrite in Rust, unlike Servo which focuses on improving core algorithms that are easier to implement with a fresh start. Once they are proven, we move them to gecko, like the style subsystem: https://bugzilla.mozilla.org/show_bug.cgi?id=stylo https://bugzilla.mozilla.org/show_bug.cgi?id=stylo