3.1.0 (2019-08-09)

v3.1.0 is a minor release that adds ESLint 6 support as well as experimental support for extending and customizing the ESLint config along with other minor bug fixes and documentation updates.

Highlights

• ESLint 6: #7415
• Experimental ESLint config customization: #7036
• More Jest config options: #6055
• Option to configure or disable image inlining: #6060

:rocket: New Feature

• eslint-config-react-app, react-error-overlay, react-scripts
  • #7415 Add ESLint 6 support (@mrmckeb)
• eslint-config-react-app, react-scripts
  • #7036 Add ESLint extend support to eslint-loader (@mrmckeb)
• react-dev-utils
  • #7277 Handle browser arguments (@arvigeus)
• react-scripts
  • #6060 Add environment variable to control image inlining threshold (@peterbe)
  • #6055 Support for graceful extension of Jest config (@jamesmfriedman)

:boom: Breaking Change

• react-scripts
  • #7176 Fix RegExp from navigateFallbackBlacklist (workbox) (@nuragic)
  • #7378 Update url-loader to 2.0.1 (@heyimalex)
• eslint-config-react-app, react-error-overlay, react-scripts
  • #7415 Add ESLint 6 support (@mrmckeb)

:bug: Bug Fix

• react-dev-utils
  • #7444 Fix for #6720: HMR not working in Firefox if proxy option present (@dmile)
• react-scripts
  • #5829 Resolve relative paths for preprocessor styles (@iamandrewluca)
  • #7433 Add explicit check for --watchAll=false (@mrmckeb)
  • #7378 Update url-loader to 2.0.1 (@heyimalex)
• eslint-config-react-app
  • #7230 jsx-no-duplicate-props ignore case fix (@rommguy)
  • #7219 fix: eslintrc overrides key should be an array, not object (@ivan-aksamentov)
  • #7079 Adjust typescript-eslint to not warn about typedefs when used before defined (@vincentjames501)
• react-error-overlay, react-scripts
  • #7257 Upgrade webpack to 4.35.0 to fix dynamic import issue (@iansu)

:nail_care: Enhancement

• react-scripts
  • #7497 add readonly modifier for css module (@xiaoxiangmoe)
  • #7496 bump sass-loader (@xiaoxiangmoe)
  • #7176 Fix RegExp from navigateFallbackBlacklist (workbox) (@nuragic)
  • #7080 Support configuring coveragePathIgnorePatterns (@kentcdodds)
  • #7482 100% lighthouse score for progressive web app (@dscanlan)
  • #5951 Set jsonpFunction by default (@sibiraj-s)
  • #7472 Typescript init: suggest jsx: "react" in tsconfig (@kingdaro)
  • #7118 Append title element to SVG component via title prop (@sudkumar)
• react-dev-utils
  • #7028 Add vscodium to the editor list (@leonardodino)
  • #7277 Handle browser arguments (@arvigeus)
• eslint-config-react-app, react-error-overlay, react-scripts
  • #7415 Add ESLint 6 support (@mrmckeb)
• eslint-config-react-app
  • #7179 Disabled Typescript no-undef rule per typescript-eslint #477 (@andyhopp)
• create-react-app
  • #6941 Fix compatibility of create-react-app to Node.js v0.10+ (@tobiasbueschel)

:memo: Documentation

• Other
  • #7488 Adjusted deployment documentation for ZEIT Now (@leo)
  • #7462 Added dependencies to bootstrap article when using custom SCSS. (@eclectic-coding)
  • #7340 Update testing-library related npm package names in README (@balazsorban44)
  • #7423 Add question issue template (@iansu)
  • #7260 Docs: remove an outdated TypeScript-related note (@MidnightDesign)
  • #7372 proposal dynamic import are stage 4 (@gespispace)
  • #7374 docs(svg): add tip for title props accessibility (@sudkumar)
  • #7182 Update minimum Node versions in docs (@JESii)
  • #7317 Fix typo (@mvasin)
  • #7262 Docs: replace the command line to install relay/macro (@soufDev)
  • #7170 Update deprecated package reference (@bnewcomb)
  • #7133 Make the OOM abreviation more clear (@tlehtimaki)
  • #7086 Improve breaking changes info for CRA 3.0.0 (@falldowngoboone)
  • #7059 Correct spelling of browserslist (@amyrlam)
  • #7039 docs: fix env-cmd example in deployment section (@VMois)
  • #7041 Updates the relay docs (@orta)
• eslint-config-react-app
  • #7451 Update README for ESLint config (@mrmckeb)
  • #7274 Update peer dependencies (@ThewBear)
• react-error-overlay, react-scripts
  • #7355 Fix typos (@minho42)

:house: Internal

• babel-preset-react-app
  • #5818 Remove unused dependencies in babel-preset-react-app (@iansu)
  • #7208 Use correct babel transform for dynamic import in dependencies (@jamesknelson)
• react-scripts
  • #7433 Add explicit check for --watchAll=false (@mrmckeb)
  • #6877 Upgrade svgr to 4.2.0 (@iansu)
• Other
  • #7385 Attempt at fixing CI issue on windows (@heyimalex)
  • #7269 Update issue templates (@mrmckeb)
  • #7220 Disable Travis build (@ianschmitz)
  • #7096 Add Azure DevOps build pipeline (@ianschmitz)
  • #6858 Add test to make sure .d.ts files are ignored when checking for TypeScript (@iansu)
• react-error-overlay, react-scripts
  • #7355 Fix typos (@minho42)

:hammer: Underlying Tools

• babel-plugin-named-asset-import, babel-preset-react-app, confusing-browser-globals, create-react-app, react-app-polyfill, react-dev-utils, react-error-overlay, react-scripts
  • #7473 Bump dependencies (@ianschmitz)
• eslint-config-react-app, react-error-overlay, react-scripts
  • #7415 Add ESLint 6 support (@mrmckeb)
• eslint-config-react-app, react-scripts
  • #7036 Add ESLint extend support to eslint-loader (@mrmckeb)
• react-scripts
  • #7118 Append title element to SVG component via title prop (@sudkumar)
  • #7222 Update @typescript-eslint package versions (@ianschmitz)
  • #7131 Update fsevents dependency version (@eps1lon)
• react-dev-utils
  • #7058 fix: Replaced opn (deprecated) with open (@jamesgeorge007)

Committers: 46

• Adeel Imran (@adeelibr)
• Alex Guerra (@heyimalex)
• Amy Lam (@amyrlam)
• Andrea Puddu (@nuragic)
• Andrew Luca (@iamandrewluca)
• Andy Hopper (@andyhopp)
• Balázs Orbán (@balazsorban44)
• Ben Newcomb (@bnewcomb)
• Brian Muenzenmeyer (@bmuenzenmeyer)
• Brody McKee (@mrmckeb)
• Chuck (@eclectic-coding)
• Darius Tall (@kingdaro)
• Dmitry Lepskiy (@dmile)
• Guy Romm (@rommguy)
• Ian Schmitz (@ianschmitz)
• Ian Sutherland (@iansu)
• Igor Muchychka (@mucsi96)
• Ivan Aksamentov (@ivan-aksamentov)
• Ivan Pegashev (@gespispace)
• Jack Cross (@crosscompile)
• James Friedman (@jamesmfriedman)
• James George (@jamesgeorge007)
• James K Nelson (@jamesknelson)
• Jon Seidel (@JESii)
• Kent C. Dodds (@kentcdodds)
• Leo Lamprecht (@leo)
• Leonardo Dino (@leonardodino)
• Mikhail Vasin (@mvasin)
• Min ho Kim (@minho42)
• Nikolay Stoynov (@arvigeus)
• Orta (@orta)
• Peter Bengtsson (@peterbe)
• Rudolph Gottesheim (@MidnightDesign)
• Ryan Boone (@falldowngoboone)
• Ryan Marsh (@ryanwmarsh)
• Sebastian Silbermann (@eps1lon)
• Sibiraj (@sibiraj-s)
• Soufiane AIT AKKACHE (@soufDev)
• Sudhir Mitharwal (@sudkumar)
• Thew Dhanat (@ThewBear)
• Tobias Büschel (@tobiasbueschel)
• Toni (@tlehtimaki)
• Vincent Pizzo (@vincentjames501)
• Vladyslav Moisieienkov (@VMois)
• ZHAO Jinxiang (@xiaoxiangmoe)
• dominic scanlan (@dscanlan)

Migrating from 3.0.1 to 3.1.0

Inside any created project that has not been ejected, run:

npm install --save --save-exact react-scripts@3.1.0

or

yarn add --exact react-scripts@3.1.0