create-react-app v3.4.1 release notes (2020-03-20)

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create-react-app v3.4.1 Release Notes

Release Date: 2020-03-20 // about 4 years ago

3.4.1 (2020-03-20)

📚 v3.4.1 is a maintenance release that includes minor bug fixes and documentation updates including upgrading Babel to fix a bug in the 7.8 release line. This release also brings support for TypeScript 3.8.

🍱 🐛 Bug Fix
- react-scripts
  - #8276 Use native ESLint behaviour when extending (@mrmckeb)
  - #7203 Closes webpack dev server and exits process on "end" stdin (@kelseyleftwich)
- babel-preset-react-app
  - #8526 Fix optional chaining and nullish coalescing support (@ianschmitz)
- 👕 cra-template, eslint-config-react-app, react-scripts
  - #7790 Widen eslint-config-react-app peer dependency versions (@lukyth)
🍱 💅 Enhancement
- cra-template-typescript, cra-template
  - #8558 Add React.StrictMode to default templates (@connkat)
- react-scripts
  - #8539 allow specification of package.main in template.json (@EvanBoyle)
📚 📝 Documentation
- Other
  - #8515 Fix proxying API request docs (@hjr3)
  - #8561 Indicate that the file structure is the template's (@Vinnl)
- react-scripts
  - #8276 Use native ESLint behaviour when extending (@mrmckeb)
🍱 🔨 Underlying Tools
- babel-preset-react-app, create-react-app, react-dev-utils, react-error-overlay, react-scripts
  - #8681 Update to Babel 7.9 (@ianschmitz)
  - #8620 Bump dependencies (@ianschmitz)
- react-scripts
  - #8509 Bumps pnp-webpack-plugin (@arcanis)
Committers: 9
- Brody McKee (@mrmckeb)
- Evan Boyle (@EvanBoyle)
- Herman J. Radtke III (@hjr3)
- Ian Schmitz (@ianschmitz)
- Kanitkorn Sujautra (@lukyth)
- KatCon (@connkat)
- Kelsey Leftwich (@kelseyleftwich)
- Maël Nison (@arcanis)
- Vincent (@Vinnl)
Migrating from 3.4.0 to 3.4.1

Inside any created project that has not been ejected, run:
```
npm install --save --save-exact [email protected]
```
or
```
yarn add --exact [email protected]
```