Issues

• Custom properties must support JSON-like values

  csskit/csskit#1500 · Filter by author yisibl opened on Sep 4, 2026

• partial css parsing

  csskit/csskit#939 · Filter by author jantimon opened on Mar 23, 2026
  1

• [minify] Minify CSS relative colors

  area: minifierbaseline: widely availablecomplexity: mediumenhancementimpact: some StyleValuespopularity: medium
  csskit/csskit#872 · Filter by author yisibl opened on Feb 9, 2026

• [minify] Fully check the compression of CSS color

  area: minifierrequires exploration
  csskit/csskit#870 · Filter by author yisibl opened on Feb 9, 2026
  1

• [minify] Improved support for the SVG “data” URL scheme

  csskit/csskit#869 · Filter by author yisibl opened on Feb 9, 2026

• [Format] always leave a space after the colon in CSS declarations

  area: minifierbaseline: widely availablecomplexity: mediumimpact: many StyleValuespopularity: very high
  csskit/csskit#859 · Filter by author yisibl opened on Feb 3, 2026
  1

  

• Add Prettier to the playground for comparison

  area: websitecomplexity: mediumenhancementhelp wanted
  csskit/csskit#842 · Filter by author yisibl opened on Jan 28, 2026

• Minify the zero value in flex properties

  area: minifierbaseline: widely availablecomplexity: mediumExtended Roadmaphelp wantedimpact: one StyleValuespopularity: very highrequires exploration
  csskit/csskit#840 · Filter by author yisibl opened on Jan 28, 2026

• Minify the zero <length> in CSS functions

  area: hirbaseline: widely availablecomplexity: highimpact: many StyleValuespopularity: very high
  csskit/csskit#839 · Filter by author yisibl opened on Jan 28, 2026
  1

• Generate a cool preview card for playground links

  complexity: highenhancementhelp wanted
  csskit/csskit#822 · Filter by author keithamus opened on Jan 21, 2026

• Todo: Minify redundant shorthand values

  area: minifiercomplexity: mediumenhancementimpact: some StyleValuesminorpopularity: very high
  csskit/csskit#779 · Filter by author keithamus opened on Jan 2, 2026

• Implement a default csskit rules sheet

  area: linter
  csskit/csskit#776 · Filter by author keithamus opened on Jan 2, 2026
  1

• Todo: Autoprefixer style transforms

  area: minifiercomplexity: highenhancementExtended Roadmapimpact: many StyleValuespopularity: very high
  csskit/csskit#596 · Filter by author yisibl opened on Oct 25, 2025
  1

• Advanced compression techniques

  Extended Roadmap
  csskit/csskit#557 · Filter by author keithamus opened on Oct 14, 2025

• Production ready bundler

  Extended Roadmap
  csskit/csskit#556 · Filter by author keithamus opened on Oct 14, 2025
  1

• Production ready transpiler

  Extended Roadmap
  csskit/csskit#555 · Filter by author keithamus opened on Oct 14, 2025

• Production ready linter

  Extended Roadmap
  csskit/csskit#554 · Filter by author keithamus opened on Oct 14, 2025

• Production readyness

  Extended Roadmap
  csskit/csskit#553 · Filter by author keithamus opened on Oct 14, 2025

• Production ready minifier

  Extended Roadmap
  csskit/csskit#552 · Filter by author keithamus opened on Oct 14, 2025
  4

• Pass the postcss/postcss-parser-tests test tsuite

  Extended Roadmap
  csskit/csskit#551 · Filter by author keithamus opened on Oct 14, 2025

• SCSS support

  Extended Roadmap
  csskit/csskit#550 · Filter by author keithamus opened on Oct 14, 2025