Sourced from stylelint's releases.

17.9.0

It adds 3 new features. Adding the referenceFiles property to your configuration object makes the no-unknown-animations, no-unknown-custom-media and no-unknown-custom-properties rules more useful.

• Added: experimental referenceFiles to configuration object (#9179) (@​jeddy3).
• Added: experimental abortSignal option to Node.js API for cancellation support (#9213) (@​adalinesimonian).
• Added: maxWarnings to configuration object (#9181) (@​mrginglymus).

17.8.0

It adds 3 new rules and 1 configuration property.

• Added: languageOptions.directionality configuration property (#8687) (@​sw1tch3roo).
• Added: property-layout-mappings rule (#8687) (@​sw1tch3roo).
• Added: relative-selector-nesting-notation rule (#8730) (@​sw1tch3roo).
• Added: selector-no-deprecated rule (#8694) (@​immitsu).

17.7.0

It fixes 4 bugs, including clearer problem messages by removing filler words and leading with the problem. We've also released 1.0.0 of create-stylelint to help with first-time Stylelint setup.

• Fixed: clarity of problem messages (#9199) (@​jeddy3).
• Fixed: --print-config CLI flag to hide internal properties (#9194) (@​ybiquitous).
• Fixed: function-url-quotes false positives when URLs have modifiers (#8702) (@​immitsu).
• Fixed: selector-no-qualifying-type false positives for :has() (#9182) (@​romainmenke).

17.6.0

It adds support for extending units in languageOptions, which then apply to rules like declaration-property-value-no-unknown, and fixes 2 bugs.

• Added: support for extending units to languageOptions (#9166) (@​jeddy3).
• Fixed: missing ruleMetadata when linting multiple files with overrides (#9154) (@​kovsu).
• Fixed: custom-property-no-missing-var-function false positives for timeline-scope and animation-timeline (#9164) (@​splincode).

17.5.0

It deprecates two rule options, adds 1 rule option and fixes 7 bugs. We've also released 2.1.0 of our VS Code extension, which adds 8 new requested features, and our first release of the Stylelint Language Server.

• Deprecated: *syntax options from declaration-property-value-no-unknown (#9102) (@​ragini-pandey).
• Added: ignoreMediaFeatureNameValues: {} to media-feature-name-value-no-unknown (#8976) (@​kovsu).
• Fixed: node_modules not ignored when using codeFilename in Node.js API (#9130) (@​adalinesimonian).
• Fixed: Error TS7016 for imported css-tree types (#9133) (@​ragini-pandey).
• Fixed: declaration-property-value-keyword-no-deprecated false positives for function arguments (#9116) (@​ragini-pandey).
• Fixed: declaration-property-value-no-unknown false positives for calc-size() containing size keyword (#9105) (@​hriztam).
• Fixed: no-descending-specificity & no-duplicate-selectors false negatives for equivalent compound selectors (#8977) (@​kovsu).
• Fixed: no-invalid-position-declaration false positives for @mixin and @scope (#9120) (@​ragini-pandey).
• Fixed: property-no-unknown false negatives for types (#9117) (@​Mouvedia).

17.4.0

It adds 2 options to the rules and fixes 7 bugs.

• Added: ignoreAtRules: [] to at-rule-no-vendor-prefix (#9096) (@​theacrat).
• Added: ignoreMediaFeatureNames: [] to media-feature-name-no-vendor-prefix (#9097) (@​theacrat).
• Fixed: performance of selector cloning rules (#9089) (@​jeddy3).
• Fixed: *-empty-line-before performance (#9092) (@​jeddy3).

... (truncated)

Sourced from stylelint's changelog.

17.9.0 - 2026-04-23

It adds 3 new features. Adding the referenceFiles property to your configuration object makes the no-unknown-animations, no-unknown-custom-media and no-unknown-custom-properties rules more useful.

• Added: experimental referenceFiles to configuration object (#9179) (@​jeddy3).
• Added: experimental abortSignal option to Node.js API for cancellation support (#9213) (@​adalinesimonian).
• Added: maxWarnings to configuration object (#9181) (@​mrginglymus).

17.8.0 - 2026-04-15

It adds 3 new rules and 1 configuration property.

• Added: languageOptions.directionality configuration property (#8687) (@​sw1tch3roo).
• Added: property-layout-mappings rule (#8687) (@​sw1tch3roo).
• Added: relative-selector-nesting-notation rule (#8730) (@​sw1tch3roo).
• Added: selector-no-deprecated rule (#8694) (@​immitsu).

17.7.0 - 2026-04-12

It fixes 4 bugs, including clearer problem messages by removing filler words and leading with the problem. We've also released 1.0.0 of create-stylelint to help with first-time Stylelint setup.

• Fixed: clarity of problem messages (#9199) (@​jeddy3).
• Fixed: --print-config CLI flag to hide internal properties (#9194) (@​ybiquitous).
• Fixed: function-url-quotes false positives when URLs have modifiers (#8702) (@​immitsu).
• Fixed: selector-no-qualifying-type false positives for :has() (#9182) (@​romainmenke).

17.6.0 - 2026-03-26

It adds support for extending units in languageOptions, which then apply to rules like declaration-property-value-no-unknown, and fixes 2 bugs.

• Added: support for extending units to languageOptions (#9166) (@​jeddy3).
• Fixed: missing ruleMetadata when linting multiple files with overrides (#9154) (@​kovsu).
• Fixed: custom-property-no-missing-var-function false positives for timeline-scope and animation-timeline (#9164) (@​splincode).

17.5.0 - 2026-03-19

It deprecates two rule options, adds 1 rule option and fixes 7 bugs. We've also released 2.1.0 of our VS Code extension, which adds 8 new requested features, and our first release of the Stylelint Language Server.

• Deprecated: *syntax options from declaration-property-value-no-unknown (#9102) (@​ragini-pandey).
• Added: ignoreMediaFeatureNameValues: {} to media-feature-name-value-no-unknown (#8976) (@​kovsu).
• Fixed: node_modules not ignored when using codeFilename in Node.js API (#9130) (@​adalinesimonian).
• Fixed: Error TS7016 for imported css-tree types (#9133) (@​ragini-pandey).
• Fixed: declaration-property-value-keyword-no-deprecated false positives for function arguments (#9116) (@​ragini-pandey).
• Fixed: declaration-property-value-no-unknown false positives for calc-size() containing size keyword (#9105) (@​hriztam).
• Fixed: no-descending-specificity & no-duplicate-selectors false negatives for equivalent compound selectors (#8977) (@​kovsu).
• Fixed: no-invalid-position-declaration false positives for @mixin and @scope (#9120) (@​ragini-pandey).
• Fixed: property-no-unknown false negatives for types (#9117) (@​Mouvedia).

17.4.0 - 2026-02-25

... (truncated)

• cee404b Release 17.9.0 (#9242)
• b0af5ae Bump prettier from 3.8.1 to 3.8.3 (#9240)
• e2c2c43 Bump eslint-plugin-jest from 29.15.1 to 29.15.2 in the eslint group (#9239)
• 68d008e Bump @​csstools/css-syntax-patches-for-csstree from 1.1.2 to 1.1.3 in the csst...
• 5ad7ffb Bump @​csstools/css-calc from 3.1.1 to 3.2.0 in the csstools-parser group (#9237)
• f16ef5e Bump actions/upload-artifact from 7.0.0 to 7.0.1 (#9235)
• a0b3c5a Bump actions/github-script from 8.0.0 to 9.0.0 (#9236)
• fb2efec Add abortSignal option to Node.js API for cancellation support (#9213)
• 84f2c6b Document Netlify hosting badge (#9218)
• 5b45245 Add maxWarnings to configuration object (#9181)
• Additional commits viewable in compare view

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