v17.0.0
Updates the DevTools test script to make it easier to test other URLs. (#19179)
Enable prefer-const lint rules (#18451)
Formalize the Wakeable and Thenable types (#18391)
Inlined DevTools event emitter impl (#18378)
Fork legacy-events folder into react-dom and react-native (#19228)
Pass BundlerConfig through to Relay Integration (#18393)
Make Flow work with your editor (#18664)