create-react-app was broken a couple of weeks ago when I tried to use the Typescript template. Some dependency in Jest had been changed to require a version of

create-react-app was broken a couple of weeks ago when I tried to use the Typescript template. Some dependency in Jest had been changed to require a version of Typescript that had only been out for a few weeks, breaking everything (including create-react-app) that hadn't updated to the latest tsc. What an ecosystem.