v4.0.0-alpha.0

💥 Breaking Changes

• @vue/cli-service, @vue/cli
  • #3921 💥 (generator/preset): default to dart sass for sass option of cssPreprocessor (@sodatea)
• @vue/cli-service
  • #3918 🔨 upgrade to copy-webpack-plugin v5 [changelog] (@sodatea)
  • #3913 🔨 upgrade to webpack-chain v5 [changelog] (@sodatea)
  • #3866 🔨 upgrade css-loader to v2 [changelog] (@sodatea)
  • #3863 💥 enable splitChunks by default even in development mode (@sodatea)
  • #3853 💥 set whitespace: 'condense' for template compiler (@sodatea)
  • #3782 💥 use EnvironmentPlugin instead of DefinePlugin for process.env.* vars (@sodatea)
• @vue/babel-preset-app, @vue/cli-plugin-babel
  • #3912 🔨 upgrade to core-js v3
    [release note] (@sodatea)
• @vue/cli-plugin-eslint
  • #3852 💥 require ESLint as a peer dependency (@sodatea)
• @vue/cli-plugin-eslint, @vue/cli-service-global
  • #3775 💥 use ESLint v5 by default everywhere (@sodatea)
• @vue/cli-plugin-pwa
  • #3915 🔨 upgrade to workbox v4 [release note | migration guide] (@sodatea)
  • #2981 💥 manifest.json should be generated by cli-plugin-pwa (@aweikalee)
• @vue/cli-plugin-e2e-nightwatch
  • #3388 🔨 upgrade to nightwatch v1 [release note | migration guide] (@darrenjennings)
  • #3916 🔨 upgrade to chromedriver v74 and make it a peer dependency (@sodatea)
  • #3774 💥 remove support for legacy vue-cli-service e2e command (@sodatea)
• @vue/cli-plugin-unit-jest
  • #3870 🔨 upgrade to jest v24 [release note] (@sodatea)
• @vue/cli-plugin-unit-mocha
  • #3914 🔨 upgrade to mocha 6 and use mochapack instead of mocha-webpack [release note] (@sodatea)

📝TODOs before v4 stable release

• GeneratorAPI versioning (allow generators to target a specific version range of @vue/cli & @vue/cli-service) (PluginAPI versioning already landed in 3.7)
• vue upgrade
  • fix compatibility with npm
  • a generator-like api for codemods
• detailed documentation and migration guide

Committers: 3

• Darren Jennings (@darrenjennings)
• Haoqun Jiang (@sodatea)
• 毛呆 (@aweikalee)