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webpack v4.44.0 Release Notes

Release Date: 2020-07-24 // over 3 years ago

  • 🔋 Features

    • 👌 Improve sideEffects flag behavior when dynamic modules are part of the tree
      • Fixes a bug which causes empty modules (or type-only modules) to "break" Tree Shaking
    • ➕ add splitChunks.enforceSizeThreshold to allow enfore splitting larger chunks unrelated from other limiations
      • Not set by default to avoid breaking change
      • It will be set by default to 50k in webpack 5
      • It's recommended to set it in webpack 4 too
    • ➕ add support for resolve.roots and default resolve.roots: [context]
      • This allows to resolve server-relative urls (e.g. /src/abc) to the project root (or other locations when configured)
      • This allows to use loaders that rely on that behavior

    🛠 Bugfixes

    • 🛠 fix bug where splitChunks produced non-optimal results when minSize is set to 0
      • This lead to NaNs in some places which breaks ordering
    • 🛠 Fix bug which lead to HMR not working for splitChunks in entrypoints
    • 🛠 force update watchpack and chokidar for chokidar bugfix which causes files to stop being watched