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webpack v5.0.0-alpha.23 Release Notes

Release Date: 2019-08-27 // over 4 years ago

  • 🚀 (based on 4.39.3)

    🔋 Features

    • ➕ add option output.ecmaVersion to specify level of generated code emitted by webpack
      • By using arrow functions we can emit smaller code, i. e. for exports
      • By using const variables we can emit more correct code for export default

    🔄 Changes

    • 0️⃣ (BREAKING) changed default of output.ecmaVersion from implict 5 to 2015
      • This might be incompatible with some older browser.
      • If you need support for these browser use output.ecmaVersion: 5.

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