Update dependency postcss to v8.5.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
postcss (source)	8.4.38 -> 8.5.6

---

Release Notes

postcss/postcss (postcss)

v8.5.6

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• Fixed ContainerWithChildren type discriminating (by @​Goodwine).

v8.5.5

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• Fixed package.json→exports compatibility with some tools (by @​JounQin).

v8.5.4

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• Fixed Parcel compatibility issue (by @​git-sumitchaudhary).

v8.5.3

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• Added more details to Unknown word error (by @​hiepxanh).
• Fixed types (by @​romainmenke).
• Fixed docs (by @​catnipan).

v8.5.2

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• Fixed end position of rules with semicolon (by @​romainmenke).

v8.5.1

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• Fixed backwards compatibility for complex cases (by @​romainmenke).

v8.5.0: 8.5 “Duke Alloces”

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PostCSS 8.5 brought API to work better with non-CSS sources like HTML, Vue.js/Svelte sources or CSS-in-JS.

@​romainmenke during his work on Stylelint added Input#document in additional to Input#css.

root.source.input.document //=> "<p>Hello</p>
                           //    <style>
                           //    p {
                           //      color: green;
                           //    }
                           //    </style>"
root.source.input.css      //=> "p {
                           //      color: green;
                           //    }"

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 at GitHub Sponsors or Open Collective.

v8.4.49

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• Fixed custom syntax without source.offset (by @​romainmenke).

v8.4.48

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• Fixed position calculation in error/warnings methods (by @​romainmenke).

v8.4.47

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• Removed debug code.

v8.4.46

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• Fixed Cannot read properties of undefined (reading 'before').

v8.4.45

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• Removed unnecessary fix which could lead to infinite loop.

v8.4.44

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• Another way to fix markClean is not a function error.

v8.4.43

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• Fixed markClean is not a function error.

v8.4.42

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• Fixed CSS syntax error on long minified files (by @​varpstar).

v8.4.41

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• Fixed types (by @​nex3 and @​querkmachine).
• Cleaned up RegExps (by @​bluwy).

v8.4.40

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• Moved to getter/setter in nodes types to help Sass team (by @​nex3).

v8.4.39

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• Fixed CssSyntaxError types (by @​romainmenke).

---

Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

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---

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

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The artifact failure details are included below:

File name: package-lock.json

npm error code ERESOLVE
npm error ERESOLVE could not resolve
npm error
npm error While resolving: @headlessui/[email protected]
npm error Found: [email protected]
npm error node_modules/react
npm error   peer react@">=16.8.0" from @floating-ui/[email protected]
npm error   node_modules/@floating-ui/react-dom
npm error     @floating-ui/react-dom@"^2.0.0" from @radix-ui/[email protected]
npm error     node_modules/@radix-ui/react-popper
npm error       @radix-ui/react-popper@"1.2.0" from @radix-ui/[email protected]
npm error       node_modules/@radix-ui/react-select
npm error         @radix-ui/react-select@"^2.0.0" from the root project
npm error   peer react@"^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" from @radix-ui/[email protected]
npm error   node_modules/@radix-ui/react-accordion
npm error     @radix-ui/react-accordion@"^1.1.2" from the root project
npm error   54 more (@radix-ui/react-collapsible, ...)
npm error
npm error Could not resolve dependency:
npm error peer react@"^16 || ^17 || ^18" from @headlessui/[email protected]
npm error node_modules/@headlessui/react
npm error   @headlessui/react@"^1.7.18" from the root project
npm error
npm error Conflicting peer dependency: [email protected]
npm error node_modules/react
npm error   peer react@"^16 || ^17 || ^18" from @headlessui/[email protected]
npm error   node_modules/@headlessui/react
npm error     @headlessui/react@"^1.7.18" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /runner/cache/others/npm/_logs/2025-11-19T14_48_23_568Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2025-11-19T14_48_23_568Z-debug-0.log

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