Note added by @j-f1: This is NOT the current plan for Prettier v2.0. We’ve significantly scaled back our plans for what Prettier 2.0 will do, allowing us to get a less-controversial release out sooner: #6888 I've been thinking a bit about what we would do if (don't create a milestone just yet 😉) we were to do a Prettier 2.0 release with some API/CLI breaking changes. No significant changes to cod