It's real. We've landed enormous performance improvements this year, including migrating most Firefox users to a full multi-process architecture, as well as int

It's real. We've landed enormous performance improvements this year, including migrating most Firefox users to a full multi-process architecture, as well as integrating parts of the Servo parallel browser engine project into Firefox. There are still many improvements yet-to-land, but in most cases we're on track for Firefox 57 in November.