v5.7.0

What's new

• add embed type analysis by @bartveneman in #272
• report color formats by @bartveneman in #280
• Count !important usage combined with custom properties by @bartveneman in #275

Bug fixes

• Replace specificity analysis with @bramus/specificity by @bartveneman in #270

Misc.

• Use Set() for counting unique declarations and selectors by @bartveneman in #265
• use Sets for keywords instead of object lookups by @bartveneman in #273
• Bump minimatch from 3.0.4 to 3.1.2 by @dependabot in #271
• Bump loader-utils from 3.2.0 to 3.2.1 by @dependabot in #266
• improve stringifyNode performance by @bartveneman in #274
• Adjust test matrix: drop node 12, include node 18 by @bartveneman in #276
• update csstree to 2.3.1 by @bartveneman in #278
• Bump json5 from 2.2.0 to 2.2.2 by @dependabot in #277
• seperate analysis for complexity and isA11y by @bartveneman in #279

Full Changelog: v5.6.0...v5.7.0