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Autoprefixer v4.0 Release Notes

    • 📜 Become 2.5 times fatser by new PostCSS 3.0 parser.
    • 🚚 Do not remove outdated prefixes by remove: false option.
    • 0️⃣ map.inline and map.sourcesContent options are now true by default.
    • ➕ Add box-decoration-break support.
    • Do not add old -webkit- prefix for gradients with px units.
    • 👉 Use previous source map to show origin source of CSS syntax error.
    • 👉 Use from option from previous source map file field.
    • Set to value to from if to option is missing.
    • 📜 Trim Unicode BOM on source maps parsing.
    • 📜 Parse at-rules without spaces like @import"file".
    • 👍 Better previous sourceMappingURL annotation comment cleaning.
    • 🚚 Do not remove previous sourceMappingURL comment on map.annotation: false.