PostCSS@PostCSS

PostCSS is a tool to transform styles with JS plugins. By @sitnikcode and @evilmartians.

postcss.org/
Joined November 2014
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Autoprefixer 10.4.17 was released with user-select: contain prefixes fix. github.com/postcss/autoprefi… Release’s knight by Alberto Mielgo.
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Stylelint@stylelint
25 Dec 2023
16.1.0 is out! It adds a new `lightness-notation` rule, adds a new option for `selector-disallowed-list`, and fixes several false positives. Have a nice holiday! stylelint.io/CHANGELOG#1610

Changelog | Stylelint

17.14.1 - 2026-07-20

stylelint.io
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Huge thanks to @WorkleapHQ for they $500 donation to our Open Collective opencollective.com/browsersl…
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Stylelint@stylelint
8 Dec 2023
16.0.0 is out! It starts supporting ESM but keeps the CommonJS support. This release provides many significant changes, including breaking ones. Please read the changelog and migration guide for more details. stylelint.io/CHANGELOG#1600
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No sooner did we come in (with @_senkovskiy), we meet someone who knows Martians thanks to PostCSS! Hi from #OpenCoreSummit ! Repurposing some grammar I just learnt 😁
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PostCSS 8.4.32 was released. @ferreira_shien fixed postcss().process() types. github.com/postcss/postcss/p… Release’s alchemy by Caroline Atoll.
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Got $100 donation from @vite_js on my Github! github.com/sponsors/ai Very happy also for getting recognition from guys like this 😻
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I just publish new @PostCSS plugin. It can add opacity to any color from CSS Custom Property. github.com/postcss/postcss-r… You can stop creating many colors with opacity like --accent-50, --accent-30. How it works ↓
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Thanks to @syntaxfm podcast for sponsoring me on Github 😻 github.com/sponsors/ai/
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While I am on parental leave my colleagues from @evilmartians are making amazing content. @d_kzlv explained how to use oklch() in @tailwindcss to create dynamic theme (even dark/light variants). evilmartians.com/chronicles/… Code: github.com/dkzlv/tw-dynamic-…
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Huge thanks to @cargurus for their $4000 donation to PostCSS maintenance on our Open Collective! opencollective.com/postcss
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CSS Tools@css_tools_
9 Oct 2023
Browsers don't support this part of CSS Color 4 yet. So if you want to have correct colors on all displays you should include both narrow and wide gamut color values. This new plugin helps you to do just that. preset-env.cssdb.org/playgro…
Screenshot of CSS with media queries for wide gamut displays. A fallback value is declared in srgb for older, less capable hardware and a conditional wide gamut color is wrapped in at-media.

ALT Screenshot of CSS with media queries for wide gamut displays. A fallback value is declared in srgb for older, less capable hardware and a conditional wide gamut color is wrapped in at-media.

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I hope so too ☺️ While we wait we can use PostCSS to get this behavior without too much manual effort : github.com/csstools/postcss-…
Lea Verou, PhD
@LeaVerou
9 Oct 2023
Replying to @LeaVerou
…so I really hope this Interop proposal (or a more general one that includes it) by @romainmenke moves forwards: github.com/web-platform-test…
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A rare vulnerability was found in PostCSS: CVE-2023-44270. If you are linting user’s CSS by PostCSS, attacker can create CSS where part will be invisible for PostCSS and visible for browsers. If it is your case, update to PostCSS 8.4.31.
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Browserslist 4.22.1 was released. We updated Firefox ESR versions. Please update browserslist in your dependencies to remove polyfills for old Firefox 102 ESR from your JS/CSS bundle. Release’s hedgehog by @DrLongissimus
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Browserslist website now has “Hide docs” button. This mode can be useful to show target browsers to your client/CEO without loosing focus on Browserslist docs. browsersl.ist/?results=#q=de…
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Browserslist 4.22 was released. @BPScott added `fully supports es6-module` query and `partially supports` alias for `supports` query. github.com/browserslist/brow…
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Autoprefixer 10.4.16 was released. @romainmenke made it 20% faster. github.com/postcss/autoprefi…
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PostCSS 8.4.30 was released. @romainmenke made source map generation 2 times faster! github.com/postcss/postcss/p… Release’s alchemist by Manuel Orazi.
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PostCSS retweeted
CSS Tools@css_tools_
15 Sep 2023
We made a CSS bundler for #PostCSS and a bunch of related tools and test suites 🎉 Our focus during this project was on interop with other bundlers and specification compliance. preset-env.cssdb.org/blog/po…
A screenshot of an at-import statement with some modern features. Code : @import url('all-the-styles.css') layer(base) supports(selector(&)) (prefers-color-scheme: dark);

ALT A screenshot of an at-import statement with some modern features. Code : @import url('all-the-styles.css') layer(base) supports(selector(&)) (prefers-color-scheme: dark);

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