Sourced from react-scripts's changelog.

3.4.0 (2020年02月14日)

v3.4.0 is a minor release that adds new features, including support for SSL and setting PUBLIC_URL in development. It also includes a fix for Hot Module Reloading with CSS Modules as well as other bug fixes.

🐛 Bug Fix

• react-scripts
  • #8378 Downgrade style-loader to v0.23.1 due to CSS modules hot reload not working with v1.0.0 and above (@chybisov)
• create-react-app, react-dev-utils, react-error-overlay
  • #8439 Downgrade chalk for ie 11 support (@ianschmitz)
• react-dev-utils
  • #8292 Fixes unchecked access to 'deploy' script on build (@renato-bohler)
• cra-template-typescript, cra-template
  • #8272 Handle service worker error in Firefox (@rosinghal)
• cra-template-typescript
  • #8403 Fix robots.txt for TS (@Kamahl19)

💅 Enhancement

• react-dev-utils, react-scripts
  • #8442 fix(react-scripts): do not redirect served path if request may proxy (@iamandrewluca)
  • #7259 feat(react-scripts): allow PUBLIC_URL in develoment mode (@iamandrewluca)
  • #7750 Enable custom sockjs pathname for hot reloading server. (@heygrady)
• cra-template-typescript
  • #8412 Change arrow functions to function declarations (@lewislbr)
• cra-template-typescript, cra-template
  • #8272 Handle service worker error in Firefox (@rosinghal)
• react-scripts
  • #5845 Add option to provide custom ssl certificates during development (@alexbrazier)

📝 Documentation

• cra-template-typescript, cra-template, react-dev-utils, react-error-overlay, react-scripts
  • #8475 Correct webpack name casing (@lewislbr)
• Other
  • #8437 Fix navbar line break in header (@esvyridov)
  • #8299 Update public folder usage docs to clarify globals (@keevan)
  • #8390 setupTestFrameworkScriptFile is deprecated (@JimmyLv)

🔨 Underlying Tools

• react-dev-utils
  • #8459 update open to v7.0.2 (@vince1995)
  • #7948 Support JetBrains Rider IDE as an editor (@djpowell)
  • #8367 Wider Chromium support for openBrowser (@handeyeco)
• react-scripts
  • #8282 Run git init before template dependencies are installed (@lukaszfiszer)
• Other
  • #8402 fix(test): force install npm in e2e-behaviour (@iamandrewluca)

... (truncated)

• 8b0dd54 Publish
• e579de1 Downgrade style-loader to v0.23.1 due to CSS modules hot reload... (#8378)
• 4784997 Correct webpack name casing (#8475)
• d45823c fix(react-scripts): do not redirect served path if request may proxy (#8442)
• 1cbc6f7 feat(react-scripts): allow PUBLIC_URL in develoment mode (#7259)
• 0299c0e Add option to provide custom ssl certificates during development (#5845)
• 822422c Enable custom sockjs pathname for hot reloading server. (#7750)
• 84d8b14 Run git init before template dependencies are installed (#8282)
• d9e05f9 Update commit message to use imperative mood (#8377)
• fb9745e Make the PWA link point to the right place (#8379)
• See full diff in compare view

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