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Update dependency stylelint to v18 - #2486

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Flo0807 merged 2 commits into
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renovate/demo-stylelint-18.x
Nov 8, 2026
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Flo0807 merged 2 commits into
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renovate/demo-stylelint-18.x

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@renovate renovate Bot commented Nov 6, 2026

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This PR contains the following updates:

Package Change Age Confidence
stylelint (source) 17.16.0 → 18.0.0 age confidence

Release Notes

stylelint/stylelint (stylelint)

v18.0.0

Compare Source

It contains 13 breaking changes, which we've detailed in the migrating to 18.0.0 guide. It also adds 4 new rules and fixes 16 bugs.

  • Removed: support for end-of-life and older versions of Node.js (#​9486) (@​jeddy3).
  • Removed: support for CommonJS-style filename-less and extension-less locator paths (#​9545) (@​jeddy3).
  • Removed: resolution of packages from the global node_modules directory (#​9534) (@​jeddy3).
  • Removed: context.fix property (#​9505) (@​jeddy3).
  • Removed: declaration-block-single-line-max-declarations rule (#​9565) (@​jeddy3).
  • Removed: *syntax options from declaration-property-value-no-unknown (#​9487) (@​jeddy3).
  • Removed: ignoreSelectors option from selector-max-specificity (#​9579) (@​jeddy3).
  • Changed: TypeScript config files to be loaded by Node.js's built-in type stripping (#​9489) (@​jeddy3).
  • Changed: the CLI to parse arguments with node:util.parseArgs (#​9508) (@​jeddy3).
  • Changed: globbyOptions to support only a subset of options (#​9500) (@​jeddy3).
  • Changed: function-no-unknown to use the CSSTree Syntax Reference for known functions and to ignore vendor-prefixed functions (#​9574) (@​jeddy3).
  • Changed: color detection to use new color option with node:util.styleText (#​9529) (@​jeddy3).
  • Changed: hyperlink detection (#​9536) (@​jeddy3).
  • Added: at-charset-rule-no-invalid rule (#​9509) (@​firefoxic).
  • Added: declaration-property-custom-property-allowed-list rule (#​9542) (@​jeddy3).
  • Added: value-no-invalid rule (#​9507) (@​jeddy3).
  • Added: value-type-custom-property-required-list experimental rule (#​9572) (@​jeddy3).
  • Added: stable support for processors configuration property (#​9543) (@​jeddy3).
  • Added: stable support for referenceFiles configuration property (#​9598) (@​jeddy3).
  • Added: result.stylelint.postcss property for plugins (#​9594) (@​jeddy3).
  • Added: stylelint.version property (#​9595) (@​ybiquitous).
  • Added: languageOptions.syntax support to function-no-unknown (#​9574) (@​jeddy3).
  • Fixed: referenceFiles performance (#​9573) (@​jeddy3).
  • Fixed: import and cache performance by replacing file-entry-cache (#​9593) (@​jeddy3).
  • Fixed: import performance by lazily loading css-tree (#​9580) (@​jeddy3).
  • Fixed: exit code when all errors in a file are suppressed and other problems are reported (#​9528) (@​schreibse).
  • Fixed: --fix for files where the only change is the removal of a byte order mark (#​9512) (@​firefoxic).
  • Fixed: Config['extends'] type for configuration objects (#​9526) (@​firefoxic).
  • Fixed: at-rule-descriptor-value-no-unknown false negatives for var() (#​9614) (@​jeddy3).
  • Fixed: custom-property-{pattern,no-missing-var-function} and *-no-unknown false positives and negatives for @property with a list of names (#​9571) (@​jeddy3).
  • Fixed: custom-property-no-missing-var-function false negatives for custom properties defined in referenceFiles (#​9570) (@​jeddy3).
  • Fixed: custom-property-no-missing-var-function false positives for recently introduced properties (#​9567) (@​jeddy3).
  • Fixed: declaration-block-no-redundant-longhand-properties and declaration-block-no-shorthand-property-overrides false negatives for contain-intrinsic-size (#​9550) (@​firefoxic).
  • Fixed: declaration-block-no-shorthand-property-overrides false negatives for flow-relative properties overridden by physical shorthands (#​9549) (@​firefoxic).
  • Fixed: declaration-property-value-no-unknown false negatives for values containing known custom properties (#​9537) (@​jeddy3).
  • Fixed: declaration-property-value-no-unknown false negatives for values containing registered custom properties (#​9566) (@​jeddy3).
  • Fixed: declaration-property-value-no-unknown false positives and negatives for files included in a referenceFiles bundle (#​9358) (@​romainmenke).
  • Fixed: property-layout-mappings false negatives for physical shorthand properties (#​9615) (@​jeddy3).

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot added demo Changes and features added to backpex demo application dependencies Pull requests that update a dependency file ignore-for-release Should not appear in releas notes js labels Nov 6, 2026
@renovate
renovate Bot requested a review from Flo0807 November 6, 2026 16:39
stylelint 18 removed declaration-block-single-line-max-declarations,
which stylelint-config-standard 40 enables, and config 41 enables rules
that only exist in stylelint 18. Both updates have to land together.
@renovate

renovate Bot commented Nov 8, 2026

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Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

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@Flo0807
Flo0807 enabled auto-merge November 8, 2026 10:33
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Flo0807 added this pull request to the merge queue Nov 8, 2026
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github-merge-queue Bot removed this pull request from the merge queue due to failed status checks Nov 8, 2026
@Flo0807
Flo0807 added this pull request to the merge queue Nov 8, 2026
Merged via the queue into develop with commit 1a59ca7 Nov 8, 2026
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Flo0807 deleted the renovate/demo-stylelint-18.x branch November 8, 2026 10:40
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