Here's a few things that are new, but "don’t feel pressured to upgrade anything."
- 🎉 More styling options: you can use Sass and CSS Modules out of the box.
- 🐠 We updated to Babel 7, including support for the React fragment syntax and many bugfixes.
- 📦 We updated to webpack 4, which automatically splits JS bundles more intelligently.
- 🃏 We updated to Jest 23, which includes an interactive mode for reviewing snapshots.
- ...plus 7 more updates...