@parcel/css changelog

Changelog History

Page 1

• v1.32.0 Changes

  March 09, 2026

  ➕ Added

  • 👀 Enable custom resolvers to mark imports as external. Resolvers may now return {external: string} to mark an import as external. This will leave the @import in the output CSS instead of bundling it. See the docs for details.
  • 👀 Allow visitors to add dependencies. Visitors may now be functions which receive an addDependency function as an option. Dependencies may be used by tools that call Lightning CSS such as bundlers to implement file watching or caching. See the docs for details.
  • 👍 Add mix-blend-mode property support

  🛠 Fixed

  • Output unknown color-scheme keywords as-is instead of normal
  • Improved serialization of the rotate property
  • keep a single space between functions when formatting transform values
  • Fix additionally inserted whitespace in var(--foo,) and env(--foo,)
  • Convert the percentage in the scale property or scale() to a number
  • ⚡️ update compat data

• v1.31.0 Changes

  January 20, 2026

  🔋 Features

  • Implement scroll-state container queries
  • Allow @property to be nested inside at-rules
  • 🖨 Support print-color-adjust property
  • 👍 Support <string> in @property syntax
  • 👍 Add :state() pseudo-class support
  • Reduce min(), max() and clamp() with number arguments

  - 👍 Support name-only @container queries

  🛠 Fixes

  • Ensure compiled range media queries are correctly parenthesised
  • Add quotes to font-families with multiple consecutive spaces
  • 🚚 Do not remove whitespace in token lists
  • Fix whitespace handling in view transition pseudos
  • Ensure interleave nested declarations have a semicolon when needed
  • Fix casing for camel-cased svg values
  • Improve grid-template-areas handling and grid shorthand
  • Fix background-position minification and handling for various cases
  • ⚡️ Update browser compat data

• v1.30.2 Changes

  September 29, 2025

  🛠 Fixes

  • Fix installing on android
  • Don't warn on ::grammar-error and ::spelling-error selectors
  • ⚡️ Update browser compat data

  Rust crate changes

  • 💻 Bump browserslist-rs to 0.19.0
  • 🗄 migrate to maintained library instead of deprecated paste
  • Use serde-content instead of private serde types

• v1.30.1 Changes

  May 14, 2025

  🛠 Fixed crash on process exit when lightningcss was loaded inside a Node.js worker thread on Linux

• v1.30.0 Changes

  May 11, 2025

  🔋 Features

  • ⚡️ Update relative color parsing to latest spec: colors now support numbers in addition to percentages, and calcs in colors are now always numbers. Note that this was technically a breaking change in the spec. You may need to update code using relative color calculations on percentages to use numbers instead. See the PR for details. – #465
  • ⚡️ Update nesting implementation for new spec: It is now possible to nest selectors with pseudo elements, and declarations and nested rules can be interleaved. See https://web.dev/blog/css-nesting-cssnesteddeclarations for more details. – 6c465c1
  • 👍 Skip generating unnecessary @supports rules when already nested in a @supports rule – #878, d398c1b
  • 👌 Improve error recovery for media queries – #954
  • ➕ Add support for ::picker, ::picker-icon and ::checkmark – #957
  • ➕ Add build support for Android – #932

  🛠 Fixes

  • 🛠 Fix error message for invalid composes selectors – #948
  • ⚡️ Update browserslist – #961
  • 🛠 Fix linear-gradient direction conversion for legacy vendor-prefixed values – #936
  • Prevent new lines in license comments from breaking source maps – #971
  • Do not inline layers before imports – 33ea2c1
  • 🏁 Statically link Visual Studio redistributables on Windows builds – e5c4139
  • ⚡️ update browser compat data – 17bdc80

• v1.29.3 Changes

  March 14, 2025

  • 👌 Support for ::details-content and ::target-text selectors – @philipp-spiess in #930
  • ⚡️ Update :placeholder-shown selector name across browsers – @Marukome0743 in #929
  • Support /* cssmodules-pure-no-check */ comments – @jantimon in #898
  • ⚡️ Update browser compatibility data – c03a7e7

• v1.29.2 Changes

  March 06, 2025

  • ⚡️ Update detect-libc for better compatibility by @nicksrandall in #923
  • 🛠 Fix broken minification for non-opaque oklab colors by @lfesp in #901
  • ⬆️ Bump browserslist-rs 0.17.0 by @chenjiahan in #912
  • ➕ Add wasm compilation cfg for Browsers::load_browserslist by @CPunisher in #895
  • 🛠 Fix parsing style container queries without a value – 2284653

• v1.29.0 Changes

  January 09, 2025

  ➕ Added

  • 👍 Implement view transitions level 2, including the @view-transition rule, view-transition-class and view-transition-group properties, and class selector features of the view transition pseudo elements. This enables CSS module scoping and better minification when using these features. – #885
  • 👌 Support parsing the @font-feature-values rule – #840
  • ➕ Add a feature flag to explicitly enable or disable transpiling the light-dark() function – 3043896

  🛠 Fixed

  • 🛠 Compile media query range syntax with boolean logic instead of fractional pixels. Fixes issues with rounding certain values. – 7f29035
  • 🛠 Fix parsing the list-style shorthand property – 97891d8
  • 🛠 Fix hashing of :nth-child(an + b of X) selectors in CSS modules – ed9e659
  • ⚡️ Update napi-rs to fix issue with \0 characters in filenames – 43707c3
  • 🛠 Fix CustomAtRule.loc TypeScript type – #876
  • 💅 Call StyleSheet / StyleSheetExit / Rule.custom.* in visitors passed to composeVisitors – #875
  • ⚡️ Update browser compat data – cdbf0d4

• v1.28.2 Changes

  November 25, 2024

  🛠 Fixes

  • 🛠 Fix duplicate prefixed properties in transition-property – #850 (thanks @RobinMalfait and @LeoniePhiline!)
  • 🛠 Fix mapping original name from source maps – 78f2fc4
  • ⬆️ Bump browser compat data – 4159bc5
  • Ensure consistent order of custom properties when all property is set – d4eec35

• v1.28.0 Changes

  November 03, 2024

  ➕ Added

  • ➕ Add option to avoid hashing @container names in CSS Modules by @kdy1 in #835
  • 👌 Improve error message of input:placeholder by @kdy1 in #813
  • ➕ Add an error for the deprecated @value at-rule of CSS Modules by @kdy1 in #842

  🛠 Fixed

  • Don't panic when passing system-color to color-mix by @inottn in #819
  • ⚡️ Dependency updates by @kornelski in #814
  • 🛠 Fix order of fallback width, height, and other size related properties – 22a8b6f
  • 🛠 Fix stack overflow parsing calc expression – e3c8e12
  • 🛠 Fix crash when parsing an invalid calc expression – 378955e
  • Skip clamp function reduction when the comparison between preferred and max value is unknown – ddc9ce8
  • ⚡️ Update browser compatibility data – f6b033f
  • 📄 docs: Update help command docs by @DylanPiercey in #812
  • 📄 docs: fix link to visitor type definitions by @mayank99 in #823

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