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rollup v2.24.0 Release Notes

  • 2020-08-13

    🔋 Features

    • 👍 Allow defining interop per dependency via a function (#3710)
    • 👌 Support interop "auto" as a more compatible version of "true" (#3710)
    • 👌 Support interop "default" and "esModule" to avoid unnecessary interop helpers (#3710)
    • 👌 Support interop "defaultOnly" for simplified helpers and Node ESM interop compatible output (#3710)
    • Respect interop option for external dynamic imports (#3710)
    • 👌 Support live-bindings for external default imports in non-ES formats unless "externalLiveBindings" is "false" (#3710)
    • 0️⃣ Use shared default interop helpers for AMD, UMD and IIFE formats (#3710)
    • Avoid unnecessarily deconflicted module variables in non-ES formats (#3710)
    • Freeze generated interop namespace objects (#3710)
    • Always mark interop helpers as pure (#3710)
    • 0️⃣ Avoid default export interop if there is already an interop namespace object (#3710)
    • Sort all require statements to the top in CommonJS output for easier back-transpilation to ES modules by other tools (#3710)

    🐛 Bug Fixes

    • 🖐 Handle accessing super in static class fields (#3720)
    • Deconflict the names of helper variables introduced for interop (#3710)
    • Generate proper namespace objects for static namespace imports in non-ES formats (#3710)
    • Do not add unused interop helpers when using the renderDynamicImport hook (#3710)

    Pull Requests

    • #3710: Rework interop handling (@lukastaegert)
    • #3720: Handle super in static class fields (@lukastaegert)