Sourced frompostcss's releases.

8.3.4

• Fixed broken AST detection.

8.3.3

• Fixed broken AST onpostcss dependency duplication in custom parsers.

8.3.2

• Update changelog.

8.3.1

• Fixed false positivesPostCSS does nothing warning onsyntax option.

8.3 “Duke Murmur”

PostCSS 8.3 improved source map parsing performance, addedNode#assign() shortcut, and experimental Document node to AST.

Thanks to Sponsors

This release was possible thanks to our community.

If your company wants to support the sustainability of front-end infrastructure or wants to give some love to PostCSS, you can join our supporters by:

• Tidelift with a Spotify-like subscription model supporting all projects from your lock file.
• Direct donations inPostCSS & Autoprefixer Open Collective.

Source Map Performance

Because PostCSS needs synchronous API, we can’t move from the old `source-map 0.6 to 0.7 (many other open-source projects too).

@​7rulnik forkedsource-map 0.6 tosource-map-js and back-ported performance improvements from 0.7. In 8.3 weswitched fromsource-map to thissource-map-js fork.

You map see 4x performance improvements in parsing map from processing step before PostCSS (for instance, Sass).

Document Nodes

Thanks to@​gucong3000, PostCSS already parse CSS from HTML and JS files (CSS-in-JS templates and objects).

But his plugin need big updates.@​hudochenkov fromstylelint team decided to create new parsers for styles insideCSS-in-JS,HTML, andMarkdown.

Hesuggested adding newDocument node type to PostCSS AST to keep multipleRoot nodes inside and JS/HTML/Markdown code blocks between these style blocks.

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Sourced frompostcss's changelog.

8.3.4

• Fixed broken AST detection.

8.3.3

• Fixed broken AST onpostcss dependency duplication in custom parsers.

8.3.2

• Update changelog.

8.3.1

• Fixed false positivesPostCSS does nothing warning onsyntax option.

8.3 “Duke Murmur”

• AddedNode#assign() shortcut (by Jonathan Neal).
• Added experimentalDocument node to AST (by Aleks Hudochenkov).
• Moved to faster fork ofsource-map (by Valentin Semirulnik).

8.2.15

• Fixedlist type definitions (by@​n19htz).

8.2.14

• Removedsource-map from client-side bundle (by Barak Igal).

8.2.13

• Fixed ReDoS vulnerabilities in source map parsing (by Yeting Li).

8.2.12

• Fixedpackage.json exports.

8.2.11

• FixedDEP0148 warning in Node.js 16.
• Fixed docs (by@​semiromid).

8.2.10

• Fixed ReDoS vulnerabilities in source map parsing.
• Fixed webpack 5 support (by Barak Igal).
• Fixed docs (by Roeland Moors).

8.2.9

• ExportedNodeErrorOptions type (by Rouven Weßling).

8.2.8

• Fixed browser builds in webpack 4 (by Matt Jones).

8.2.7

• Fixed browser builds in webpack 5 (by Matt Jones).

8.2.6

• FixedMaximum call stack size exceeded inNode#toJSON.
• Fixed docs (by inokawa).

... (truncated)

• c7bae29 Release 8.3.4 version
• 8b4a8b1 Fix Node[my] hack
• 7ea0c9b Release 8.3.3 version
• ff6abab Fix Symbol description
• e51efa0 Fix import order
• 714c5c6 Require PostCSS peer dependency from parser
• d8edfed Hot fix for broken isClean on AST dublication
• 2da5501 Update dependencies
• 026416d Release 8.3.2 version
• 6c30324 Merge pull request#1600 from postcss/dependabot/npm_and_yarn/lodash-4.17.21
• Additional commits viewable incompare view

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