Changelog

16.7.0

• Changed: tap formatter to support TAP14 (#7759) (@Mouvedia).
• Added: url secondary option (#7743) (@emmacharp).
• Fixed: at-rule-no-unknown false positives for @historical-forms and @font-palette-values (#7774) (@Mouvedia).
• Fixed: at-rule-no-unknown false positives for @view-transition (#7753) (@sebdanielsson).
• Fixed: at-rule-no-vendor-prefix false negatives for @-moz-document and @-webkit-viewport (#7772) (@Mouvedia).
• Fixed: comment-whitespace-inside end positions (#7744) (@Mouvedia).
• Fixed: declaration-block-no-duplicate-properties reported ranges (#7758) (@Mouvedia).
• Fixed: declaration-block-no-redundant-longhand-properties/declaration-block-no-shorthand-property-overrides false negatives for font-variant (#7734) (@Bilie).
• Fixed: font-family-name-quotes false negatives for -moz-*/-webkit-* keywords (#7777) (@Mouvedia).
• Fixed: font-family-no-missing-generic-family-keyword false negatives for font families which names match a CSS3 font-variant keyword (#7823) (@Mouvedia).
• Fixed: function-name-case end positions (#7747) (@Mouvedia).
• Fixed: function-no-unknown performance by reducing file read count (#7801) (@ybiquitous).
• Fixed: media-feature-name-no-vendor-prefix autofix (#7770) (@Mouvedia).
• Fixed: no-invalid-double-slash-comments reported ranges (#7768) (@Mouvedia).
• Fixed: property-no-unknown false positives for navigation and miscellaneous legacy properties (#7764) (@Mouvedia).
• Fixed: quietDeprecationWarnings to suppress stylelint:003 warning (#7837) (@ybiquitous).
• Fixed: selector-no-vendor-prefix autofix (#7763) (@Mouvedia).
• Fixed: selector-not-notation end positions when new lines are part of the selector (#7755) (@Mouvedia).
• Fixed: selector-type-case end positions (#7752) (@Mouvedia).
• Fixed: shorthand-property-no-redundant-values false negatives for logical properties, overflow, overscroll-behavior, scroll-margin and scroll-padding (#7808) (@Mouvedia).
• Fixed: string-no-newline false positives for escaped multi-line (#7818) (@romainmenke).
• Fixed: value-keyword-case end positions (#7760) (@Mouvedia).
• Fixed: stylelint.utils.checkAgainstRule() for Promise-based rules (#7821) (@aaronccasanova).
• Fixed: stylelint.utils.checkAgainstRule() to use result.stylelint if present (#7833) (@ybiquitous).
• Fixed: YAML diagnostic block end marker line of the tap formatter (#7759) (@Mouvedia).
• Fixed: autofix of incorrectly implemented plugins when unscoped stylelint commands are present (#7733) (@romainmenke).

16.6.1

• Fixed: no-descending-specificity false positives for nested selectors (#7724) (@romainmenke).
• Fixed: selector-type-no-unknown false positive for model (#7718) (@Mouvedia).

16.6.0

• Fixed: function-calc-no-unspaced-operator false negatives (#7655 & #7670 & #7676) (@ybiquitous & @romainmenke).
• Fixed: selector-not-notation autofix of the "simple" option (#7703) (@Mouvedia).
• Fixed: selector-max-specificity end positions (#7685) (@romainmenke).
• Fixed: no-descending-specificity end positions (#7701) (@romainmenke).
• Fixed: missing GitHub Sponsor for npm fund (#7707) (@ybiquitous).

16.5.0

• Added: regex support to ignoreValues for value-no-vendor-prefix (#7650) (@Mouvedia).
• Fixed: shorthand-property-no-redundant-values false negatives for functions (#7657) (@ybiquitous).
• Fixed: value-no-vendor-prefix false negatives/positives (#7654 & #7658) (@Mouvedia).
• Fixed: CosmiconfigResult type error (#7661) (@ybiquitous).

16.4.0

• Added: no-unknown-custom-media (#7594) (@fpetrakov).
• Added: ignoreLonghands: [] to declaration-block-no-redundant-longhand-properties (#7611) (@Mouvedia).
• Added: ignore: ["keyframe-selectors"] to rule-selector-property-disallowed-list (#7572) (@emmacharp).
• Added: experimental support for post processors (#7568) (@YuanboXue-Amber).
• Fixed: declaration-block-no-redundant-longhand-properties autofix conflicts (#7626) (@Mouvedia).
• Fixed: declaration-block-no-redundant-longhand-properties autofix for text-decoration (#7611) (@Mouvedia).
• Fixed: declaration-block-no-shorthand-property-overrides false negatives for border (#7585) (@fpetrakov).
• Fixed: declaration-block-no-shorthand-property-overrides false negatives for font and border (#7606) (@Mouvedia).
• Fixed: function-calc-no-unspaced-operator false negatives for some math functions (#7619) (@Mouvedia).
• Fixed: function-no-unknown false positives for anchor, anchor-size and palette-mix (#7607 & #7640) (@Mouvedia).
• Fixed: selector-max-attribute end positions (#7592) (@romainmenke).
• Fixed: selector-max-class end positions (#7590) (@romainmenke).
• Fixed: selector-max-combinators end positions (#7596) (@romainmenke).
• Fixed: selector-max-compound-selectors end positions (#7599) (@romainmenke).
• Fixed: selector-max-pseudo-class end positions (#7598) (@romainmenke).
• Fixed: selector-max-universal end positions (#7597) (@romainmenke).
• Fixed: selector-type-no-unknown false positives for experimental and deprecated HTML tags (#7612) (@Mouvedia).

16.3.1

• Fixed: selector-max-id end positions (#7571) (@romainmenke).
• Fixed: import errors for configs and plugins omitting /index.js (#7578) (@ota-meshi).

16.3.0

• Added: ignoreSelectors: [] to selector-max-compound-selectors (#7544) (@FloEdelmann).
• Added: tally of fixable problems to string and verbose formatters (#7539) (@m-allanson).
• Added: support for *-deprecation command-line flags of Node.js (#7550) (@fpetrakov).
• Fixed: false positive CJS deprecation warning for dual-package plugins (#7532) (@JounQin).
• Fixed: rule-selector-property-disallowed-list false positives for nesting selectors (#7558) (@romainmenke).
• Fixed: selector-pseudo-*-allowed-list false positives for vendor prefixes (#7525) (@carlosjeurissen).
• Fixed: report() for index/endIndex zero values (#7565) (@romainmenke).
• Fixed: selector-max-type end positions (#7518) (@romainmenke).

16.2.1

• Fixed: report flags not reporting on subsequent runs when cache is used (#7483) (@ybiquitous).
• Fixed: custom-property-no-missing-var-function false positives for properties that can contain author-defined identifiers (#7478) (@ybiquitous).
• Fixed: selector-pseudo-class-no-unknown false positives for :seeking, the media loading state and sound state pseudo-classes (#7490) (@Mouvedia).
• Fixed: selector-max-specificity false positives with ignoreSelectors option for of <selector> syntax (#7475) (@ybiquitous).
• Fixed: function-calc-no-unspaced-operator performance (#7505) (@ybiquitous).
• Fixed: validateOptions to report when secondary option object is an empty object or null (#7476) (@ybiquitous).
• Fixed: report() error message responsibility for a missing node or line number (#7474) (@ybiquitous).

16.2.0

• Added: media-query-no-invalid specific problem messages (#7462) (@romainmenke).
• Added: checkContextFunctionalPseudoClasses: [] to selector-max-id (#7380) (@brigitamaria).
• Fixed: declaration-property-value-no-unknown false negatives for @starting-style (#7461) (@fpetrakov).
• Fixed: function-no-unknown|value-keyword-case false positives for template literals with line breaks (#7443) (@Sh031224).
• Fixed: allowEmptyInput option ignored in configuration object regression (#7446) (@ybiquitous).
• Fixed: at-rule-no-unknown false positives for @starting-style (#7438) (@fpetrakov).
• Fixed: ERR_UNSUPPORTED_ESM_URL_SCHEME for --custom-formatter on Windows (#7432) (@JounQin).
• Fixed: Error: Could not find <package> message clarity (#7456) (@jeddy3).
• Fixed: overrides.files negated pattern regression introduced in 15.0.0 (#7468) (@ybiquitous).

16.1.0

• Added: lightness-notation rule (#7366) (@fpetrakov).
• Added: ignore: ["keyframe-selectors"] to selector-disallowed-list (#7417) (@mattxwang).
• Fixed: selector-pseudo-class-no-unknown false positive for :popover-open (#7425) (@mattxwang).
• Fixed: declaration-property-value-no-unknown and other false positives for multiline SCSS interpolation. (#7406) (@FloEdelmann).
• Fixed: function-url-quotes false positives for SCSS variable and @ character (#7416) (@mattxwang).

16.0.2

• Fixed: ERR_UNSUPPORTED_ESM_URL_SCHEME error on Windows (#7383) (@JounQin).

16.0.1

• Fixed: type definitions for CommonJS and ESM compatibility (#7377) (@remcohaszing).

16.0.0

Migrating to 16.0.0 guide.

• Removed: Node.js less than 18.12.0 support (#7020) (@ybiquitous).
• Removed: 76 rules deprecated in 15.0.0 (#6979) (@mattxwang).
• Changed: stylelint.formatters object to have Promise values (#7184) (@ybiquitous).
• Changed: exit code for CLI flag error (#7134) (@ybiquitous).
• Changed: default syntax behaviour to always use safe-parser with fix regardless of extension (#7357) (@ybiquitous).
• Changed: TypeScript definitions for ESM (#7309) (@ybiquitous).
• Changed: stylelint.rules object to have Promise values (#7279) (@ybiquitous).
• Changed: stylelint.utils.checkAgainstRule to be an async function (#7339) (@ybiquitous).
• Deprecated: CommonJS Node.js API (#7353) (@ybiquitous).
• Deprecated: output property in a Node.js API returned object. Instead, report/code properties are recommended (#7183) (@ybiquitous) & (@haocheng6).
• Added: exports field to package.json for Conditional Exports (ESM/CommonJS) (#7307) (@ybiquitous).
• Added: support for ESM plugins (#7339) (@ybiquitous).
• Added: support for ESM custom formatters (#7343) (@ybiquitous).
• Added: support for a package name as arguments to --custom-formatter (#7343) (@ybiquitous).
• Added: severity secondary option's function support (#7202) (@kizu).
• Added: support for a Promise formatter function (#7184) (@ybiquitous).
• Added: support for ESM custom syntaxes (#7351) (@ybiquitous).
• Added: report/code properties to a Node.js API returned object (#7183) (@ybiquitous) & (@haocheng6).
• Fixed: no longer needed workaround for Cosmiconfig segfault (#7329) (@ybiquitous).
• Fixed: CLI regression to avoid waiting for stdin without any input (#7131) (@ybiquitous).
• Fixed: CLI to avoid different outputs on empty files and empty stdin (#7131) (@ybiquitous).
• Refactored: .js extension to .mjs and .cjs (#7307) (@ybiquitous).

15.11.0

• Added: ignoreRules to max-nesting-depth (#7215) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties autofix for grid-template with repeat() (#7230) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties false negative for font-synthesis (#7214) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties false negatives for *-block and *-inline logical properties (#7208) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties false negatives for overflow, overscroll-behavior, scroll-margin, scroll-padding, and new Box Alignment shorthands (#7213) (@mattxwang).
• Fixed: function-no-unknown false positives for light-dark, linear and xywh (#7242) (@mattxwang).

15.10.3

• Fixed: declaration-property-value-no-unknown false negatives for typed custom properties (#7078) (@romainmenke).
• Fixed: property-no-unknown false positives for scroll-driven animations (#7090) (@renato-bohler).

15.10.2

• Fixed: declaration-property-value-no-unknown false negatives for nested declarations (#7079) (@romainmenke).
• Fixed: selector-pseudo-element-no-unknown false positives for view-transition pseudo-elements (#7070) (@danielroe).

15.10.1

• Security: fix for semver vulnerability (#7043) (@romainmenke).
• Fixed: invalid option regression on Windows 10 (#7043) (@romainmenke).

15.10.0

• Added: media-query-no-invalid (#6963) (@romainmenke).
• Added: support for JS objects with extends config option (#6998) (@fpetrakov).
• Fixed: inconsistent errored properties in stylelint.lint() return value (#6983) (@ybiquitous).
• Fixed: {selector,value}-no-vendor-prefix performance (#7016) (@jeddy3).
• Fixed: custom-property-pattern performance (#7009) (@jeddy3).
• Fixed: function-linear-gradient-no-nonstandard-direction false positives for <color-interpolation-method> (#6987) (@romainmenke).
• Fixed: function-name-case performance (#7010) (@jeddy3).
• Fixed: function-no-unknown performance (#7004) (@jeddy3).
• Fixed: function-url-quotes performance (#7011) (@jeddy3).
• Fixed: hue-degree-notation false negatives for oklch (#7015) (@romainmenke).
• Fixed: hue-degree-notation performance (#7012) (@jeddy3).
• Fixed: media-feature-name-no-unknown false positives for environment-blending, nav-controls, prefers-reduced-data, and video-color-gamut (#6978) (@romainmenke).
• Fixed: media-feature-name-no-vendor-prefix positions for *-device-pixel-ratio (#6977) (@romainmenke).
• Fixed: no-descending-specificity performance (#7026) (@romainmenke).
• Fixed: no-duplicate-at-import-rules false negatives for imports with supports and layer conditions (#7001) (@romainmenke).
• Fixed: selector-anb-no-unmatchable performance (#7042) (@romainmenke).
• Fixed: selector-id-pattern performance (#7013) (@jeddy3).
• Fixed: selector-pseudo-class-no-unknown false negatives for pseudo-elements with matching names (#6964) (@Mouvedia).
• Fixed: selector-pseudo-element-no-unknown performance (#7007) (@jeddy3).
• Fixed: selector-type-case performance (#7041) (@romainmenke).
• Fixed: selector-type-no-unknown performance (#7027) (@romainmenke).
• Fixed: unit-disallowed-list false negatives with percentages (#7018) (@romainmenke).

15.9.0

• Added: insideFunctions: {"function": int} to number-max-precision (#6932) (@romainmenke).
• Fixed: declaration-block-no-redundant-longhand-properties autofix for border-radius shorthand (#6958) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties autofix for border-width shorthand (#6956) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties autofix for grid-column and grid-row (#6957) (@mattxwang).

15.8.0

• Added: media-feature-name-value-no-unknown (#6906) (@romainmenke).
• Added: support for .mjs configuration files (#6910) (@ybiquitous).
• Fixed: --print-config description in CLI help (#6914) (@ybiquitous).
• Fixed: allowEmptyInput option in configuration files (#6929) (@ybiquitous).
• Fixed: custom-property-no-missing-var-function performance (#6922) (@romainmenke).
• Fixed: function-calc-no-unspaced-operator performance (#6923) (@romainmenke).
• Fixed: function-linear-gradient-no-nonstandard-direction performance (#6924) (@romainmenke).
• Fixed: function-no-unknown false positives for SCSS functions with namespace (#6921) (@romainmenke).
• Fixed: max-nesting-depth error for at-rules in Sass syntax (#6909) (@ybiquitous).
• Fixed: selector-anb-no-unmatchable performance (#6925) (@romainmenke).
• Fixed: remove v8-compile-cache dependency (#6907) (@ybiquitous).

15.7.0

• Added: splitList: boolean to selector-nested-pattern (#6896) (@is2ei).
• Fixed: unit-no-unknown false positives for unicode-range descriptors (#6892) (@romainmenke).
• Fixed: segmentation fault errors for Cosmiconfig 8.2 (#6902) (@romainmenke).

15.6.3

• Fixed: alpha-value-notation false positives for color() (#6885) (@romainmenke).
• Fixed: alpha-value-notation performance with improved benchmark script (#6864) (@romainmenke).
• Fixed: at-rule-property-required-list performance (#6865) (@romainmenke).
• Fixed: color-* performance (#6868) (@romainmenke).
• Fixed: length-zero-no-unit false positives on new math functions (#6871) (@romainmenke).
• Fixed: string formatter for unexpected truncation on non-ASCII characters (#6861) (@Max10240).
• Fixed: unit-no-unknown false positives for the second and subsequent image-set() with x descriptor (#6879) (@romainmenke).

15.6.2

• Fixed: alpha-value-notation false negatives for oklab(), oklch(), and color() (#6844) (@romainmenke).
• Fixed: declaration-block-no-redundant-longhand-properties autofix with cubic-bezier() (#6841) (@romainmenke).
• Fixed: function-no-unknown false positives for unspaced operators against nested brackets (#6842) (@romainmenke).
• Fixed: function-url-quotes false positives for SCSS with() construct (#6847) (@ybiquitous).
• Fixed: media-feature-name-no-unknown false positives for not and or (#6838) (@romainmenke).

15.6.1

• Fixed: declaration-block-no-redundant-longhand-properties autofix for transition (#6815) (@mattxwang).
• Fixed: github formatter for missing final newline (#6822) (@konomae).
• Fixed: selector-pseudo-class-no-unknown false positive for :modal (#6811) (@Yasir761).

15.6.0

• Added: allowEmptyInput, cache, fix options to configuration object (#6778) (@mattxwang).
• Added: ignore: ["with-var-inside"] to color-function-notation (#6802) (@mattxwang).
• Fixed: declaration-block-no-duplicate-properties autofix for 3 or more duplicates (#6801) (@mattxwang).
• Fixed: declaration-block-no-duplicate-properties false positives with option ignore: ["consecutive-duplicates-with-different-syntaxes"] (#6797) (@romainmenke).
• Fixed: declaration-block-no-duplicate-properties syntax error (#6792) (@yoyo837).
• Fixed: declaration-block-no-redundant-longhand-properties autofix for grid-template (#6777) (@mattxwang).
• Fixed: function-url-quotes autofix for comments in SCSS function (#6800) (@ybiquitous).

15.5.0

• Added: ignore: ["consecutive-duplicates-with-different-syntaxes"] to declaration-block-no-duplicate-properties (#6772) (@kimulaco).
• Added: ignoreProperties: [] to declaration-block-no-duplicate-custom-properties (#6773) (@mattxwang).
• Added: raw regex support to ignoreProperties for declaration-block-no-duplicate-properties (#6764) (@ybiquitous).
• Fixed: block-no-empty false positives with non-whitespace characters (#6782) (@ybiquitous).
• Fixed: color-function-notation false positives for namespaced imports (#6774) (@mattxwang).
• Fixed: custom-property-empty-line-before false positives for CSS-in-JS (#6767) (@ybiquitous).
• Fixed: media-feature-range-notation parse error (#6760) (@fpetrakov).
• Fixed: CLI help improvements (#6783) (@ybiquitous).

15.4.0

• Added: --quiet-deprecation-warnings flag (#6724) (@mattxwang).
• Added: -c alias for --config (#6720) (@sidverma32).
• Added: media-feature-range-notation autofix (#6742) (@romainmenke).
• Added: no-unknown-custom-properties rule (#6731) (@jameschensmith).
• Fixed: function-url-quotes autofix for double-slash comments in SCSS maps (#6745) (@jgerigmeyer).
• Fixed: isPathIgnored() utility's performance (#6728) (@ybiquitous).
• Fixed: rule-selector-property-disallowed-list secondary options (#6723) (@mattxwang).
• Fixed: declaration-block-no-redundant-longhand-properties with basic keywords (#6748) (@mattxwang).
• Fixed: deprecation warnings for disabled rules (#6747) (@ybiquitous).

15.3.0

• Added: configurationComment configuration property (#6629) (@ifitzpatrick).
• Added: selector-anb-no-unmatchable rule (#6678) (@mattxwang).
• Fixed: TypeScript error for CommonJS importing (#6703) (@remcohaszing).
• Fixed: *-no-redundant-* false negatives for inset shorthand (#6699) (@rayrw).
• Fixed: function-url-quotes autofix for multiple url() (#6711) (@ybiquitous).
• Fixed: value-keyword-case false positives for Level 4 system colours (#6712) (@thewilkybarkid).

15.2.0

• Added: messageArgs to 76 rules (#6589) (@kizu).
• Fixed: TypeScript error to export Plugin and RuleContext (#6664) (@henryruhs).
• Fixed: overrides.extends order when including same rules (#6660) (@kuoruan).
• Fixed: annotation-no-unknown false positives for CSS-in-JS template literals (#6666) (@hudochenkov).
• Fixed: declaration-property-value-no-unknown false positives for at-rule descriptors (#6669) (@FloEdelmann).
• Fixed: declaration-property-value-no-unknown parse error for alpha(opacity=n) to report as violation (#6650) (@romainmenke).
• Fixed: function-name-case false positives for CSS-in-JS template literals (#6666) (@hudochenkov).
• Fixed: function-no-unknown false positives for CSS-in-JS template literals (#6666) (@hudochenkov).
• Fixed: unit-no-unknown false positives for CSS-in-JS template literals (#6666) (@hudochenkov).
• Fixed: value-keyword-case false positives for CSS-in-JS template literals (#6666) (@hudochenkov).

15.1.0

• Added: declaration-block-no-redundant-longhand-properties autofix (#6580) (@mattxwang).
• Fixed: declaration-property-value-no-unknown false positives for env() (#6646) (@romainmenke).
• Fixed: function-calc-no-unspaced-operator TypeError on empty calc() (#6634) (@romainmenke).
• Fixed: inaccurate customSyntax inference (#6645) (@ybiquitous).

15.0.0

Migrating to 15.0.0 guide.

• Removed: Node.js 12 support (#6477) (@ybiquitous). (BREAKING)
• Removed: support for processors (#6479) (@ybiquitous). (BREAKING)
• Removed: syntax option (#6420) (@fpetrakov). (BREAKING)
• Changed: extends in overrides to merge to be consistent with plugins behaviour (#6380) (@jasikpark). (BREAKING)
• Changed: type definitions to reorganize (#6510) (@ybiquitous). (BREAKING)
• Changed: type names to be more consistent (#6503) (@ybiquitous). (BREAKING)
• Deprecated: stylistic rules handled by Prettier (#6504) (@ybiquitous).
• Added: declaration-property-value-no-unknown rule (#6511) (@jeddy3).
• Added: media-feature-name-unit-allowed-list rule (#6550) (@mattxwang).
• Added: function-url-quotes autofix (#6558) (@mattxwang).
• Added: ignore: ["custom-elements"] to selector-max-type (#6588) (@muddv).
• Added: ignoreFunctions: [] to unit-disallowed-list (#6592) (@mattxwang).
• Added: deprecated rule warnings (#6561) (@ybiquitous).
• Added: message arguments to declaration-property-unit-allowed-list (#6570) (@mattxwang).
• Fixed: overrides.files in config to allow basename glob patterns (#6547) (@ybiquitous).
• Fixed: at-rule-no-unknown false positives for @scroll-timeline (#6554) (@mattxwang).
• Fixed: function-no-unknown false positives for interpolation and backticks in CSS-in-JS (#6565) (@hudochenkov).
• Fixed: keyframe-selector-notation false positives for named timeline ranges (#6605) (@kimulaco).
• Fixed: property-no-unknown false negatives for newer custom syntaxes (#6553) (@43081j).
• Fixed: selector-attribute-quotes false positives for "never" (#6571) (@mattxwang).
• Fixed: selector-not-notation autofix for "simple" option (#6608) (@Mouvedia).

14.16.1

• Fixed: customSyntax resolution with configBasedir (#6536) (@ybiquitous).
• Fixed: declaration-block-no-duplicate-properties autofix for !important (#6528) (@sidx1024).
• Fixed: function-no-unknown false positives for scroll, -webkit-gradient, color-stop, from, and to (#6539) (@Mouvedia).
• Fixed: value-keyword-case false positives for mixed case ignoreFunctions option (#6517) (@kimulaco).
• Fixed: unexpected output in Node.js API lint result when any rule contains disableFix: true (#6543) (@adrianjost).

14.16.0

• Added: media-feature-range-notation rule (#6497) (@jeddy3).
• Added: support for plugin objects as config values (#6481) (@phoenisx).
• Fixed: incorrect output by all formatters except for json (#6480) (@ybiquitous).

14.15.0

• Added: --globby-options flag (#6437) (@sidverma32).
• Added: custom message formatting for at-rule-disallowed-list, declaration-property-unit-disallowed-list, declaration-property-value-disallowed-list, function-disallowed-list, and property-disallowed-list (#6463) (@chloerice).
• Added: support autofix with checkAgainstRule (#6466) (@aaronccasanova).
• Added: support for reporting with custom severity (#6444) (@aaronccasanova).
• Added: support to checkAgainstRule with custom rules (#6460) (@aaronccasanova).
• Fixed: tally output of string formatter colorized (#6443) (@ybiquitous).
• Fixed: usage of the import-lazy package to fit bundlers (#6449) (@phoenisx).

14.14.1

• Fixed: declaration-block-no-redundant-longhand-properties false positives for inherit keyword (#6419) (@kimulaco).
• Fixed: shorthand-property-no-redundant-values message to be consistent (#6417) (@fpetrakov).
• Fixed: unit-no-unknown false positives for *vi & *vb viewport units (#6428) (@sidverma32).

14.14.0

• Added: *-pattern custom message formatting (#6391) (@ybiquitous).
• Fixed: block-no-empty false positives for reportNeedlessDisables (#6381) (@ybiquitous).
• Fixed: printf-like formatting for custom messages (#6389) (@ybiquitous).
• Fixed: unit-no-unknown false positives for font-relative length units (#6374) (@ybiquitous).
• Fixed: false negatives on second run for cache and severity option (#6384) (@kimulaco).
• Fixed: TS compilation error due to needless file-entry-cache import (#6393) (@adidahiya).

14.13.0

• Added: cacheStrategy option (#6357) (@kaorun343).
• Fixed: cache refresh when config is changed (#6356) (@kimulaco).
• Fixed: selector-pseudo-element-no-unknown false positives for ::highlight pseudo-element (#6367) (@jathak).

14.12.1

• Fixed: font-weight-notation messages (#6350) (@ybiquitous).
• Fixed: type declarations for custom message arguments (#6354) (@stof).

14.12.0

• Added: support for multiple --ignore-path flags (#6345) (@kimulaco).
• Added: experimental support for custom message arguments (#6312) (@ybiquitous).
• Added: declaration-block-no-duplicate-properties autofix (#6296) (@fpetrakov).
• Added: font-weight-notation autofix (#6347) (@ybiquitous).
• Added: ignore: ["inside-block"] and splitList to selector-disallowed-list (#6334) (@mattmanuel90).
• Added: regex support for ignorePseudoClasses option of selector-pseudo-class-no-unknown (#6316) (@ybiquitous).
• Added: regex support for ignorePseudoElements option of selector-pseudo-element-no-unknown (#6317) (@ybiquitous).
• Added: regex support for ignoreSelectors option of selector-no-vendor-prefix (#6327) (@ybiquitous).
• Added: regex support for ignoreTypes option of selector-type-case (#6326) (@ybiquitous).
• Fixed: *-no-unknown false positives for container queries (#6318) (@fpetrakov).
• Fixed: font-family-name-quotes false positives for interpolation and shorthand (#6335) (@kimulaco).
• Fixed: time-min-milliseconds incorrect location for matching violating times (#6319) (@kawaguchi1102).

14.11.0

• Added: ignoreAfterCombinators: [] to selector-max-universal (#6275).
• Fixed: createPlugin type definition (#6264).
• Fixed: alpha-value-notation false negatives for SVG properties (#6284).
• Fixed: keyframes-name-pattern false positives for interpolation (#6265).
• Fixed: selector-nested-pattern end positions (#6259).
• Fixed: selector-no-qualifying-type message, positions, and false positives (#6260).
• Fixed: selector-no-vendor-prefix end positions (#6261).
• Fixed: selector-pseudo-class-allowed-list end positions and message (#6262).
• Fixed: selector-pseudo-class-disallowed-list end positions and message (#6263).
• Fixed: selector-pseudo-element-allowed-list end positions and message (#6270).
• Fixed: selector-pseudo-element-disallowed-list end positions and message (#6270).
• Fixed: shorthand-property-no-redundant-values message (#6272).
• Fixed: time-min-milliseconds end positions (#6273).

14.10.0

• Added: rule metadata to public LinterResult API (#6166).
• Added: longhand sub-properties of shorthand properties reference data to public API (#6168).
• Added: meta.fixable property to each rule (#6181).
• Added: support for loading custom formatter from package (#6228).
• Added: annotation-no-unknown rule (#6155).
• Added: keyframe-selector-notation rule (#6164).
• Added: percentage-unless-within-keyword-only-block primary option to keyframe-selector-notation (#6194).
• Added: github formatter (#6150).
• Added: tally to string and verbose formatters (#6153).
• Added: fixable status to verbose and github formatters (#6183).
• Added: invalid rule primary option message for false (#6250).
• Fixed: exit code when nothing is passed to stylelint command (#6175).
• Fixed: rule message function type to not require users to handle all kind of arguments (#6147).
• Fixed: at-rule-* end positions (#6163).
• Fixed: declaration-block-no-redundant-longhand-properties end positions (#6219).
• Fixed: declaration-property-value-allowed-list false positives for multiple match (#6190).
• Fixed: declaration-property-value-disallowed-list false negatives for multiple match (#6188).
• Fixed: named-grid-areas-no-invalid end positions (#6205).
• Fixed: no-descending-specificity false positives for pseudo-classes (#6195).
• Fixed: no-unknown-animations end positions (#6221).
• Fixed: no-unknown-animations false positives for SCSS interpolation (#6185).
• Fixed: number-max-precision end positions (#6184).
• Fixed: property-* end positions (#6174).
• Fixed: rule-selector-property-disallowed-list end positions (#6222).
• Fixed: selector-attribute-name-disallowed-list end positions (#6223).
• Fixed: selector-attribute-operator-allowed-list end positions (#6224).
• Fixed: selector-attribute-operator-disallowed-list end positions (#6225).
• Fixed: selector-attribute-quotes end positions (#6226).
• Fixed: selector-class-pattern end positions (#6227).
• Fixed: selector-combinator-allowed-list and selector-combinator-disallowed-list end positions (#6229).
• Fixed: selector-disallowed-list end positions (#6230).
• Fixed: selector-id-pattern end positions (#6231).
• Fixed: selector-not-notation end positions (#6201).
• Fixed: selector-pseudo-element-colon-notation end positions (#6235).
• Fixed: string-no-newline end positions (#6218).
• Fixed: unit-* start and end positions (#6169).
• Fixed: value-no-vendor-prefix end positions (#6173).

14.9.1

• Fixed: selector-max-specificity false positives for :nth-child (#6140).

14.9.0

• Added: import-notation rule (#6102).
• Fixed: no-duplicate-selectors false positives for SCSS/Less nested interpolations (#6118).
• Fixed: no-descending-specificity and selector-max-specificity false positives for :is() and :where() (#6131).

14.8.5

• Fixed: no-duplicate-selectors false positives with Less syntax (#6111).

14.8.4

• Fixed: no-duplicate-selectors error with non-standard selectors (#6106).

14.8.3

• Fixed: at-rule-no-unknown false positives for @layer (#6093).
• Fixed: length-zero-no-unit autofix for .0 values (#6098).
• Fixed: media-feature-name-no-unknown false positives for display-mode (#6073).
• Fixed: no-descending-specificity end positions (#6049).
• Fixed: no-duplicate-* end positions (#6047).
• Fixed: no-invalid-* end positions (#6072).
• Fixed: no-invalid-position-at-import-rule false positives for @layer (#6094).

14.8.2

• Fixed: function-calc-no-unspaced-operator false positives for non-standard variables (#6053).
• Fixed: selector-*-no-unknown end positions (#6046).

14.8.1

• Fixed: declaration-block-no-* end positions that avoid errors (#6040).
• Fixed: function-calc-no-unspaced-operator false positives and memory leak (#6045).
• Fixed: named-grid-areas-no-invalid false positives for arealess templates (#6042).

14.8.0

• Added: keyframe-block-no-duplicate-selectors rule (#6024).
• Added: property-*-list support for vendor prefixes (#6025).
• Fixed: at-rule-*-list end positions (#6032).
• Fixed: at-rule-no-unknown end positions (#6026).
• Fixed: function-linear-gradient-no-nonstandard-direction false negative about -ms-linear-gradient (#6031).
• Fixed: function-no-unknown end positions (#6038).
• Fixed: property-no-unknown end positions (#6039).

14.7.1

• Fixed: a regression for /* stylelint-disable */ comments (#6018).
• Fixed: font-family-name-quotes false positives for ui-* generic system font keywords (#6017).

14.7.0

• Added: ranges for warnings that can be used by formatters and integrations (#5725).
• Added: selector-not-notation rule (#5975).
• Fixed: font-weight-notation false positives for Sass functions and column position (#6005).

14.6.1

• Fixed: custom-property-pattern TypeError for "Cannot destructure property..." (#5982).
• Fixed: selector-type-case false positives for SVG elements (#5973).
• Fixed: unit-no-unknown false positives for large/small/dynamic viewport units (#5970).

14.6.0

• Added: declaration-property-max-values rule (#5920).
• Fixed: *-no-important column position (#5957).
• Fixed: custom-property-pattern false positives for interpolation in property name (#5949).
• Fixed: font-family-name-quotes column position (#5955).
• Fixed: selector-pseudo-*-no-unknown false positives and negatives (#5959).
• Fixed: selector-pseudo-class-no-unknown false positives and negatives (#5956).

14.5.3

• Fixed: *-list invalid option warnings for strings (#5934).

14.5.2

• Fixed: clarity of invalid option warning message for objects (#5923).
• Fixed: *-list false negatives for invalid options (#5924).
• Fixed: custom-property-pattern false positives for interpolation inside var() (#5925).
• Fixed: declaration-property-value-*-list column position (#5926).

14.5.1

• Fixed: function-no-unknown ENOENT and TypeErrors (#5916).
• Fixed: function-no-unknown false positives for interpolation (#5914).

14.5.0

• Added: ignoreFunctions: [] to function-no-unknown (#5901).

14.4.0

• Added: function-no-unknown rule (#5865).
• Added: font-family-name-quotes autofix (#5806).
• Fixed: throwing more informative error when all input files are ignored (#5709).
• Fixed: custom-property-pattern false negatives for custom properties within var() (#5867).
• Fixed: no-descending-specificity parseError for double-slash comments within selector lists (#5891).
• Fixed: selector-pseudo-element-colon-notation false positives for escaped colons (#5879).

14.3.0

• Added: support for meta.url to rules and plugins (#5845).
• Added: hyperlinks for rules to terminal output (#5835).
• Added: hyperlinks for plugins to terminal output (#5859).
• Added: ignore: ["rules"] / ["at-rules"] to block-opening-brace-*-after (#5830).
• Added: ignoreSelectors: [] to property-case (#5822).
• Added: ignoreFunctions: [] to unit-allowed-list (#5857).
• Added: camelCaseSvgKeywords to value-keyword-case - use this option if you want legacy camel case SVG keywords like currentColor (#5849).
• Fixed: font-family-no-missing-generic-family-keyword false positives for revert and revert-layer (#5852).
• Fixed: no-descending-specificity false positives for the ::-moz-focus-inner pseudo-element (#5831).
• Fixed: value-keyword-case false negatives for SVG keywords like currentcolor (#5849).

14.2.0

• Added: cwd option to Node.js API (#5721).
• Added: resolveConfig option to Node.js API (#5734).
• Fixed: showing of incorrect missing package in customSyntax require handling (#5763).
• Fixed: color-function-notation false positives for variables and color functions (#5793)
• Fixed: color-named false positives for hex with alpha-channel and false negatives for modern syntax (#5718).
• Fixed: declaration-empty-line-before support for HTML files (#5689).
• Fixed: indentation TypeError for syntaxes that use Document node type (#5771).

14.1.0

• Added: support for directory creation to --output-file flag (#5672).
• Added: ConfigurationError type (#5696).
• Added: rule-selector-property-disallowed-list rule (#5679).
• Added: ignore: ["consecutive-duplicates-with-same-prefixless-values"] to declaration-block-no-duplicate-properties (#5609).
• Added: ignorePseudoClasses: [] to max-nesting-depth (#5620).
• Fixed: extending rules within overrides (#5683).
• Fixed: color-function-notation false positives for hex colours (#5650).
• Fixed: declaration-empty-line-before false positives for values wrapped in parentheses (#5680).
• Fixed: indentation TypeError for baseIndentLevel: 1 option for Vue files (#5657).
• Fixed: property-no-unknown false positives for maps (#5690).
• Fixed: selector-type-case false positives for SVG type selectors (#5717).

14.0.1

• Fixed: package size by excluding docs (#5643).
• Fixed: overrides property ignoring dot directories (#5629).
• Fixed: custom syntax require error handling (#5635).
• Fixed: function-calc-no-unspaced-operator false positives for hyphenated functions (#5636).

14.0.0

Migrating to 14.0.0 guide.

• Removed: Node.js 10 support (#5303).
• Removed: syntax option (#5297).
• Removed: configOverrides option (#5530).
• Removed: rules deprecated in 13.7.0 (#5295).
• Removed: function-calc-no-invalid rule (#5296).
• Changed: ignoreFiles to be extendable (#5596).
• Security: addressed ReDoS issue with regex in indentation (#5539).
• Added: TypeScript type definitions (#5582).
• Added: customSyntax option as a property in the configuration object (#5538).
• Added: overrides property to configuration object (#5521).
• Added: disableFix as secondary option to rules property in the configuration object (#5460).
• Added: quiet option to Node.js API (#5542).
• Added: color-hex-alpha rule (#5316).
• Added: custom-property-no-missing-var-function rule (#5317).
• Added: function-calc-no-unspaced-operator autofix (#5273).
• Added: ignoreFunctions: [] to length-zero-no-unit (#5314).
• Added: ignoreAtRules: [] to no-invalid-position-at-import (#5520).
• Added: ignoreProperties: [] to number-max-precision (#5421).
• Fixed: "No files matching the pattern" when using backslash paths on Windows (#5386).
• Fixed: function-url-quotes problem messages to be consistent with other *-quotes rules (#5488).
• Fixed: length-zero-no-unit false positives for flex property (#5315).
• Fixed: media-feature-name-no-unknown false positives for prefers-contrast (#5428).
• Fixed: media-feature-name-no-unknown false positives for dynamic-range & video-dynamic-range (#5613).
• Fixed: media-feature-name-value-allowed-list TypeError for spaceless condition (#5581).
• Fixed: property-no-unknown false positives for Less maps (#5381).
• Fixed: selector-class-pattern false positives for Less parametric mixins (#5378).
• Fixed: max-empty-lines autofix for Less comments (#5507).
• Fixed: named-grid-areas-no-invalid false negatives for grid and grid-template shorthand properties (#5514).
• Fixed: unit-no-unknown false positives for nested property declarations (#5500).

13.13.1

• Fixed: invalid JSON for max-warnings option (#5267).
• Fixed: no-invalid-position-at-import-rule false positives for dollar variables (#5264).

13.13.0

• Added: no-invalid-position-at-import-rule rule (#5202).
• Added: no-irregular-whitespace rule (#5209).
• Added: selector-disallowed-list rule (#5239).
• Added: selector-attribute-quotes autofix (#5248).
• Added: ignore: ["inside-function"] to declaration-property-unit-allowed-list (#5194).
• Fixed: color-no-hex false positives for CSS-in-JS objection notation (#5186).
• Fixed: font-family-no-missing-generic-family-keyword false positives for variables (#5240).
• Fixed: length-zero-no-unit autofix removing trailing zeroes and comments (#5256).
• Fixed: length-zero-no-unit false positives for level 4 math functions (#5203).
• Fixed: length-zero-no-unit false positives for functions inside of math functions (#5245).

13.12.0

• Added: named-grid-areas-no-invalid rule (#5167).
• Added: ignore: ["single-declaration"] to declaration-block-trailing-semicolon (#5165).
• Fixed: *-no-unknown false positives (#5158).
• Fixed: selector-pseudo-class-no-unknown false positives for :autofill (#5171).

13.11.0

• Added: exceptions and severity options to report* configuration object properties (#5143).

13.10.0

• Added: ignoreDisables, reportNeedlessDisables, reportInvalidScopeDisables and reportDescriptionlessDisables configuration object properties (#5126).
• Added: declaration-block-no-duplicate-custom-properties rule (#5125).
• Fixed: alpha-value-notation false negatives for CSS Variables (#5130).

13.9.0

• Added: TAP formatter (#5062).
• Fixed: incorrect exit code when using --report options (#5079).
• Fixed: color-hex-case false negatives for css-in-js object notation (#5101).
• Fixed: color-hex-length false negatives for css-in-js object notation (#5106).
• Fixed: selector-attribute-name-disallowed-list false positives for valueless attribute selectors (#5060).

13.8.0

• Deprecated: StylelintStandaloneReturnValue.reportedDisables, .descriptionlessDisables, .needlessDisables, and .invalidScopeDisables. .reportedDisables will always be empty and the other properties will always be undefined, since these errors now show up in .results instead (#4973).
• Added: disable comments that are reported as errors for various reasons are now reported as standard lint errors rather than a separate class of errors that must be handled specially (#4973).
• Added: comment-pattern rule (#4962).
• Added: selector-attribute-name-disallowed-list rule (#4992).
• Added: ignoreAtRules[] to property-no-unknown (#4965).
• Fixed: *-notation false negatives for dollar variables (#5031).
• Fixed: *-pattern missing configured pattern in problem messages (#4975).

13.7.2

• Fixed: regression for disable commands and adjacent double-slash comments (#4950).
• Fixed: use of full file path without converting it to glob (#4931).

13.7.1

• Fixed: double-slash disable comments when followed by another comment (#4913).

13.7.0

• Deprecated: *-blacklist, *-requirelist and *-whitelist rules in favor of the new *-disallowed-list, *-required-list and *-allowed-list ones (#4845):
  • at-rule-blacklist. Use at-rule-disallowed-list instead.
  • at-rule-property-requirelist. Use at-rule-property-required-list instead.
  • at-rule-whitelist. Use at-rule-allowed-list instead.
  • comment-word-blacklist. Use comment-word-disallowed-list instead.
  • declaration-property-unit-blacklist. Use declaration-property-unit-disallowed-list instead.
  • declaration-property-unit-whitelist. Use declaration-property-unit-allowed-list instead.
  • declaration-property-value-blacklist. Use declaration-property-value-disallowed-list instead.
  • declaration-property-value-whitelist. Use declaration-property-value-allowed-list instead.
  • function-blacklist. Use function-disallowed-list instead.
  • function-url-scheme-blacklist. Use function-url-scheme-disallowed-list instead.
  • function-url-scheme-whitelist. Use function-url-scheme-allowed-list instead.
  • function-whitelist. Use function-allowed-list instead.
  • media-feature-name-blacklist. Use media-feature-name-disallowed-list instead.
  • media-feature-name-value-whitelist. Use media-feature-name-value-allowed-list instead.
  • media-feature-name-whitelist. Use media-feature-name-allowed-list instead.
  • property-blacklist. Use property-disallowed-list instead.
  • property-whitelist. Use property-allowed-list instead.
  • selector-attribute-operator-blacklist. Use selector-attribute-operator-disallowed-list instead.
  • selector-attribute-operator-whitelist. Use selector-attribute-operator-allowed-list instead.
  • selector-combinator-blacklist. Use selector-combinator-disallowed-list instead.
  • selector-combinator-whitelist. Use selector-combinator-allowed-list instead.
  • selector-pseudo-class-blacklist. Use selector-pseudo-class-disallowed-list instead.
  • selector-pseudo-class-whitelist. Use selector-pseudo-class-allowed-list instead.
  • selector-pseudo-element-blacklist. Use selector-pseudo-element-disallowed-list instead.
  • selector-pseudo-element-whitelist. Use selector-pseudo-element-allowed-list instead.
  • unit-blacklist. Use unit-disallowed-list instead.
  • unit-whitelist. Use unit-allowed-list instead.
• Added: syntax object acceptance to customSyntax option (#4839).
• Added: support for *.cjs config files (#4905).
• Added: support for descriptions in Stylelint command comments (#4848).
• Added: reportDescriptionlessDisables flag (#4907).
• Added: reportDisables secondary option (#4897).
• Added: *-no-vendor-prefix autofix (#4859).
• Added: ignoreComments[] to comment-empty-line-before (#4841).
• Added: ignoreContextFunctionalPseudoClasses to selector-max-id (#4835).
• Fixed: inconsistent trailing newlines in CLI error output (#4876).
• Fixed: support for multi-line disable descriptions (#4895).
• Fixed: support for paths with parentheses (#4867).
• Fixed: selector-max-* (except selector-max-type) false negatives for where, is, nth-child and nth-last-child (#4842).
• Fixed: length-zero-no-unit TypeError for custom properties fallback (#4860).
• Fixed: selector-combinator-space-after false positives for trailing combinator (#4878).

13.6.1

• Fixed: max-empty-lines TypeError from inline comment with autofix and sugarss syntax (#4821).
• Fixed: property-no-unknown false positives for namespaced variables (#4803).
• Fixed: selector-type-no-unknown false positives for idents within ::part pseudo-elements (#4828).

13.6.0

• Added: ignoreSelectors[] to block-opening-brace-space-before (#4640).
• Fixed: false positives for all scope disables in --report-invalid-scope-disables (#4784).
• Fixed: TypeError for CSS-in-JS when encountering a call or template expression named 'html' (#4797).
• Fixed: writing error information to stderr (#4799).
• Fixed: minimum node version in package.json's engine field (#4790).
• Fixed: alpha-value-notation number precision errors (#4802).
• Fixed: font-family-no-missing-generic-family-keyword false positives for variables (#4806).
• Fixed: no-duplicate-selectors false positives for universal selector and disallowInList (#4809).

13.5.0

• Added: alpha-value-notation rule (#4770).
• Added: color-function-notation rule (#4760).
• Added: hue-degree-notation rule (#4769).

13.4.1

• Fixed: time-min-milliseconds TypeError for ignore: ["delay"] and shorthand animation (#4783).

13.4.0

• Added: ignore:["delay"] to time-min-milliseconds (#4743).
• Added: ignoreFunctions: [] to value-keyword-case (#4733).
• Fixed: improved performance when auto syntax is used (#4729).
• Fixed: --report-needless-disables respects stylelint-disable commands (#4714).
• Fixed: at-rule-property-requirelist TypeError for comments inside of font-face (#4744).
• Fixed: declaration-block-trailing-semicolon false positives for CSS-in-JS object notation (#4749).
• Fixed: declaration-empty-line-before false positives for inlines styles (#4726).
• Fixed: media-feature-name-* false positives for forced-colors (#4775).
• Fixed: value-keyword-case false positives WebExtension replacement keywords (#4778).
• Fixed: value-keyword-case false positives regression for mixed-case properties and the ignoreProperties option (#4748).

13.3.3

• Fixed: autofix will respect scoped disable comments by turning off autofix for the scoped rules for the entire source; this is a continuation of the workaround added in 13.2.0 (#4705).

13.3.2

• Fixed: update postcss-css-in-js with fix for maximum call stack size exceeded error (#4701).

13.3.1

• Fixed: babel configuration conflict when using TypeScript (postcss-css-in-js/#2).
• Fixed: autofix for nested tagged template literals (#4119).

13.3.0

• Added: ignoreFontFamilies: [] to font-family-no-missing-generic-family-keyword (#4656).
• Fixed: function-calc-no-invalid false positives for SCSS and Less variables (#4659).
• Fixed: unit-no-unknown false positives for x unit within vendor-prefixed image-set (#4654).

13.2.1

• Fixed: selector-pseudo-element-no-unknown false positives for ::part pseudo-element (#4604).
• Fixed: value-keyword-case false positives for longhand grid-column/row-* properties (#4611).

13.2.0

• Security: updated to postcss-selector-parser@6 due to a vulnerability in one of postcss-selector-parser@3 dependencies (#4595). Due to this update:
  • selector-descendant-combinator-no-non-space will ignore selectors containing comments
  • selector-pseudo-class-parentheses-space-inside can't autofix pseudo-classes that contain comments
• Added: --stdin CLI flag that accepts stdin input even if it is empty (#4594).
• Fixed: autofix will ignore sources containing disable comments or nested tagged template literals - this is workaround to make autofix safer to use until we can resolve the underlying issues (#4573).

13.1.0

• Fixed: media-feature-name-* false negatives for range context (#4581).
• Fixed: indentation RangeError regression (#4572).
• Fixed: string-quotes attribute selector autofix (#4576).

13.0.0

• Removed: Node.js 8.x support. Node.js 10 is now required. We can guarantee Stylelint works on the latest Node.js 10 release. (#4500).
• Removed: types declarations for Flow (#4451).
• Changed: globby was updated to v10. Now only forward-slashes (/) should be used as directory separator in globs. Refer to glob pattern syntax. Most of the users wouldn't need to change anything, but Windows users might need to update their globs. (#4254).
• Added: unit-no-unknown support for x unit (#4427).
• Fixed: --report-invalid-scope-disables crash when no rules specified (#4498).
• Fixed: media-feature-parentheses-space-inside false negatives for multiple spaces (#4513).
• Fixed: selector-type-no-unknown false positives for SVG tags (#4495).
• Fixed: unit-no-unknown false positives for Sass map keys (#4450).
• Fixed: value-list-comma-newline-after false positives for shared-line comments (#4482).
• Fixed: consistently check that selectors are standard before passing to the parser (#4483).
• Fixed: overlapping disabled ranges edge case (#4497).

12.0.1

• Fixed: string-no-newline memory leak for ERB templates (#4491).

12.0.0

• Removed: ignoring bower_components folder by default (#4384).
• Removed: createRuleTester API (#4385).
• Added: more information for custom formatters (#4393).
• Fixed: comment-empty-line-before false positives for selector lists and shared-line comments (#4360).
• Fixed: font-family-no-missing-generic-family-keyword false positives for Sass-variables with namespaces (#4378).
• Fixed: font-weight-notation false positives for font-weight ranges in @font-face (#4372).
• Fixed: length-zero-no-unit false positives for line-height, and for fr units (#4394).
• Fixed: length-zero-no-unit false positives for Less variables (#4405).
• Fixed: selector-max-* false negatives for rules with nested rules (#4357).
• Fixed: incorrect error message when parsing files with a broken syntax (#4364).

11.1.1

• Fixed: syntax configuration for --syntax css (#4335).

11.1.0

• Added: css syntax option (#4315).
• Fixed: no-eol-whitespace parsing problems for non-standard syntaxes (#4313).
• Fixed: selector-pseudo-class-no-unknown false positives for :is selector (#4321).

11.0.0

• Changed: --report-needless-disables CLI flag now reports needless disables and runs linting (#4151).
• Changed: display a problem at 1:1 for each file instead of throwing an error on unrecognized rules (#4237).
• Changed: always return stylelintError as a boolean (#4174).
• Deprecated: createRuleTester API (#4279).
• Added: --reportInvalidScopeDisables CLI flag (#4181).
• Added: unicode-bom rule (#4225).
• Added: max-empty-lines autofix (#3667).
• Added: selector-pseudo-element-case autofix (#3672).
• Added: selector-* support for all logical combinations (:matches, :has) (#4179).
• Added: ignore: ["selectors-within-list"] to no-descending-specificity (#4176).
• Added: ignoreSelectors: [] to property-no-unknown (#4275).
• Fixed: Babel user configuration interfering with CSS-in-JS parser (#4164).
• Fixed: PostCSS plugin ignoring .stylelintignore (#4186).
• Fixed: *-max-empty-lines to only report one problem per function, selector, value list (#4260).
• Fixed: block-no-empty crash for @import statements (#4110).
• Fixed: indentation false positives for <style> tag with multiline attributes (#4177).
• Fixed: length-zero-no-unit false positives for inside calc function (#4175).
• Fixed: max-line-length false positives for multi-line url() (#4169).
• Fixed: no-duplicate-selectors false positives for selectors in the same selector list (#4173).
• Fixed: no-unit-unknown false positives for at-variables (Less) starting with numbers (#4163).
• Fixed: property-no-unknown for overflowX for CSS-in-JS (#4184).

10.1.0

• Added: selector-max-empty-lines autofix (#3717).
• Added: rule names for --report-needless-disables output (#4071).
• Added: --output-file CLI flag (#4085).
• Fixed: function-calc-no-invalid false positives for interpolation (#4046).
• Fixed: declaration-block-semicolon-space-before autofix with !important annotations (#4016).
• Fixed: no-eol-whitespace autofix for within comments (#4224).
• Fixed: no-eol-whitespace false negatives for last line without trailing EOL (#4224).
• Fixed: selector-pseudo-class-no-unknown false positives for defined (#4081).

10.0.1

• Fixed: minimum Node.js engine reduced to 8.7.0 (#4032).
• Fixed: --allow-empty-input CLI flag (#4029).
• Fixed: color-no-invalid-hex false positives for hashes in URLs (#4035).
• Fixed: function-linear-gradient-no-nonstandard-direction false positives for dollar variables (#4027).

10.0.0

• Removed: Node.js 6.x support. Node.js 8.15.1 or greater is now required (#4006).
• Removed: styled and jsx syntax options that were replaced with css-in-js in v9.10.0 (#4007).
• Changed: throws error if glob matches no files, use the --allow-empty-input flag for the old behavior (#3965).
• Changed: rules are now applied in the order defined in lib/rules/index.js (#3923).
• Added: at-rule-property-requirelist rule (#3997).
• Added: disallowInList to no-duplicate-selectors (#3936).
• Added: ignore: ["comments"] to block-no-empty (#4008).
• Fixed: false negatives in declaration-based rules for CSS-in-JS (#3933).
• Fixed: color-no-invalid-hex false negatives for CSS-in-JS (#3957).
• Fixed: feature-name-no-unknown false positives for prefers-color-scheme (#3951).
• Fixed: function-calc-no-invalid false positives for negative numbers (#3921).
• Fixed: no-descending-specificity false positives for vendor prefixed pseudo-elements (#3929).
• Fixed: selector-max-* false negatives for nested at-rules (#3959).
• Fixed: Logical combinations pseudo-classes in selector-max-universal are now evaluated separately (#4263).
• Fixed: value-keyword-case autofix for single-line comments within maps (#4019).

9.10.1

• Fixed: "fatal: Not a git repository" error (#3915).
• Fixed: unintended increase in package size (#3915).

9.10.0

• Added: support for ordinary regular expressions anywhere a regex string is accepted in rule config (#3799).
• Added: css-in-js syntax option that will replace the existing styled and jsx ones (#3872).
• Added: function-calc-no-invalid rule (#3833).
• Added: ignore: ["next-sibling"] to selector-max-type (#3832).
• Added: declaration-block-semicolon-space-after autofix (#3865).
• Fixed: autofix is now disabled when a Stylelint processors is used (#3873).
• Fixed: CssSyntaxError for functions in template literals (#3869).
• Fixed: no-descending-specificity false positives for styled-components (#3875).
• Fixed: no-duplicate-selectors false positives for styled-components (#3875).
• Fixed: selector-pseudo-class-no-unknown false positives for focus-visible (#3887).
• Fixed: selector-max-universal false positives for flush comments containing a comma (#3817).
• Fixed: shorthand-property-redundant-values false positives for negative values (#3888).

9.9.0

• Added: selector-list-comma-newline-after autofix (#3815).
• Added: value-list-max-empty-lines autofix (#3814).
• Added: ignoreSelectors: [] to selector-no-vendor-prefix (#3748).
• Fixed: ignored files are no longer parsed (#3801).
• Fixed: ignore &:extend for Less syntax (#3824).
• Fixed: --report-needless-disables CLI flag (#3819).
• Fixed: font-family-no-missing-generic-family-keyword false positives for system fonts (#3794).

9.8.0

• Added: value-keyword-case autofix (#3775).
• Added: ignore: ["pseudo-classes"] to max-nesting-depth (#3724).
• Added: ignoreTypes:[] to selector-type-case (#3758).
• Added: ignoreFunctions:[] to unit-no-unknown (#3736).
• Fixed: error for single-line Sass comments (#3772).
• Fixed: at-rule-* false positives for Less variables and mixins (#3767).
• Fixed: max-empty-lines false positives for final newlines (#3785).

9.7.1

• Fixed: at-rule-* false positives for Less variables and mixins (#3759).

9.7.0

• Added: allow globally installed configuration (#3642).
• Added: media-feature-parentheses-space-inside autofix (#3720).
• Added: selector-descendant-combinator-no-non-space autofix (#3565).
• Added: unit-case autofix (#3725).
• Fixed: false negatives for Less at-imports (#3687).
• Fixed: SyntaxError when an empty string is used for a rule's custom message (#3743).
• Fixed: max-empty-lines false positives for empty lines before </style> (#3708).
• Fixed: selector-max-specificity false positives for functional pseudo-classes (#3711).

9.6.0

• Added: suggestions for invalid CLI options (#3622).
• Added: no-empty-first-line rule (#3650).
• Added: at-rule-name-space-after autofix (#3653).
• Added: block-closing-brace-empty-line-before autofix (#3598).
• Added: block-closing-brace-space-before autofix (#3673).
• Added: comment-whitespace-inside autofix (#3619).
• Added: declaration-bang-space-after autofix (#3598).
• Added: declaration-bang-space-before autofix (#3592).
• Added: declaration-colon-newline-after autofix (#3588).
• Added: function-comma-space-after autofix (#3555).
• Added: function-comma-space-before autofix (#3596).
• Added: function-name-case autofix (#3674).
• Added: function-max-empty-lines autofix (#3645).
• Added: function-parentheses-newline-inside autofix (#3601).
• Added: function-whitespace-after autofix (#3648).
• Added: media-feature-colon-space-after autofix (#3623).
• Added: media-feature-colon-space-before autofix (#3637).
• Added: media-feature-name-case autofix (#3685).
• Added: media-feature-range-operator-space-after autofix (#3639).
• Added: media-feature-range-operator-space-before autofix (#3618).
• Added: media-query-list-comma-newline-after autofix (#3643).
• Added: media-query-list-comma-space-after autofix (#3607).
• Added: media-query-list-comma-space-before autofix (#3640).
• Added: function-parentheses-space-inside autofix (#3563).
• Added: selector-attribute-brackets-space-inside autofix (#3605).
• Added: selector-attribute-operator-space-after autofix (#3641).
• Added: selector-attribute-operator-space-before autofix (#3603).
• Added: selector-pseudo-class-case autofix (#3671).
• Added: selector-pseudo-class-parentheses-space-inside autofix (#3646).
• Added: selector-type-case autofix (#3668).
• Added: no-eol-whitespace autofix (#3615).
• Added: no-extra-semicolons autofix (#3574).
• Added: value-list-comma-newline-after autofix (#3616).
• Added: value-list-comma-space-after autofix (#3558).
• Added: value-list-comma-space-before autofix (#3597).
• Added: baseIndentLevel to indentation (#3557).
• Fixed: autofix for 5 whitespace rules (#3621).
• Fixed: linebreaks TypeError (#3636).
• Fixed: max-empty-lines incorrect line reporting (#3530).
• Fixed: media-query-list-comma-newline-after false positives for trailing comment (#3657).
• Fixed: no-descending-specificity false positives for CSS Modules functional pseudo-classes (#3623).

9.5.0

• Added: bundled support for styles in CSS-in-JS object literals (#3506).
• Added: --print-config CLI flag (#3532).
• Added: block-closing-brace-newline-before autofix (#3442).
• Added: block-opening-brace-newline-before autofix (#3518).
• Added: block-opening-brace-space-after autofix (#3520).
• Added: block-opening-brace-newline-after autofix (#3441).
• Added: declaration-block-semicolon-newline-after autofix (#3545).
• Added: declaration-block-semicolon-space-before autofix (#3554).
• Added: declaration-colon-space-after autofix (#3538).
• Added: selector-list-comma-newline-before autofix (#3517).
• Added: selector-list-comma-space-after autofix (#3490).
• Added: unix formatter (#3524).
• Fixed: selector-descendant-combinator-no-non-space false positives for calculations with parenthesis (#3508).

9.4.0

• Added: bundled support for styles in CSS-in-JS template literals (#3405).
• Added: linebreaks rule (#3289).
• Added: compact formatter (#3488).
• Added: at-rule-semicolon-newline-after autofix (#3450).
• Added: block-closing-brace-newline-after autofix (#3443).
• Added: block-opening-brace-space-before autofix (#3438).
• Added: declaration-block-trailing-semicolon autofix (#3382).
• Added: declaration-colon-space-before autofix (#3445).
• Added: property-case autofix (#3448).
• Added: selector-combinator-space-after autofix (#3446).
• Added: selector-combinator-space-before autofix (#3457).
• Added: selector-list-comma-space-before autofix (#3447).
• Fixed: block-opening-brace-newline-after false positives for nested rule-sets prefixed with comments (#3383).
• Fixed: declaration-block-trailing-semicolon report of errors with the --fix option (#3493).
• Fixed: font-family-name-quotes false positives for system-ui system font (#3463).
• Fixed: keyframes-name-pattern support for raw JS RegExp (#3437).
• Fixed: media-feature-name-no-unknown false positives for level 5 names (#3397).
• Fixed: no-descending-specificity false positives for #{&} (#3420).
• Fixed: no-missing-end-of-source-newline false positives for style attributes (#3485).

9.3.0

• Added: support for <style> tags and style="" attributes in XML and XSLT files (#3386).
• Added: globbyOptions option (#3339).
• Added: keyframes-name-pattern rule (#3321).
• Added: media-feature-name-value-whitelist rule (#3320).
• Added: selector-pseudo-element-colon-notation autofix (#3345).
• Fixed: .vue files throwing errors for <style lang="stylus"> and <style lang="postcss"> (#3331).
• Fixed: declaration-block-no-* false positives for non-standard syntax (#3381).
• Fixed: function-whitespace-after false positives for "/" (#3132).
• Fixed: length-zero-no-unit incorrect autofix for at-includes (#3347).
• Fixed: max-nesting-depth false positives for nested properties (#3349).
• Fixed: no-empty-source false positives on vue external sources <style src="*"> tag (#3331).
• Fixed: max-line-length false positives for non-CSS blocks (#3367).
• Fixed: no-eol-whitespace false positives for non-CSS blocks (#3367).
• Fixed: no-extra-semicolons false positives for non-CSS blocks (#3367).
• Fixed: no-missing-end-of-source-newline false positives for non-CSS blocks (#3367).

9.2.1

• Fixed: cache option hiding CssSyntaxError outputs (#3258).
• Fixed: regression with processors (e.g. styled-components) (#3261).
• Fixed: no-descending-specificity false positives for Sass nested properties (#3283).
• Fixed: selector-pseudo-class-no-unknown false positives proprietary webkit pseudo classes when applied to a simple selector (#3271).

9.2.0

• Added: selector-max-pseudo-class rule (#3195).
• Fixed: slow require('stylelint') time (#3242).
• Fixed: autofix erroneously writing to unchanged files (#3241).
• Fixed: false negatives for template literals within script tags by updating postcss-html dependency (#3238).
• Fixed: indentation false positives for at-root (#3225).
• Fixed: max-empty-lines false positives for non-CSS blocks (#3229).
• Fixed: no-empty-source false positives for non-CSS blocks (#3240).
• Fixed: string-no-newline false positives for non-CSS blocks (#3228).

9.1.3

• Fixed: invalid HTML causing CssSyntaxError by updating postcss-html dependency (#3214).
• Fixed: empty markdown block causing CssSyntaxError by updating postcss-html dependency (#3214).

9.1.2

• Fixed: parsing of markdown files by updating postcss-html dependency (#3207).

9.1.1

• Fixed: missing signal-exit dependency (#3186).

9.1.0

• Added: ignore: ["first-nested"] to at-rule-empty-line-before (#3179).
• Added: ignore: ["first-nested"] to rule-empty-line-before (#3179).
• Fixed: unnecessary Open Collective postinstall message (#3180).

9.0.0

• Removed: Node.js 4.x support. Node.js 6.x or greater is now required (#3075).
• Added: (experimental) support for SASS syntax (#2503).
• Added: allow processors to handle PostCSS errors (#3063).
• Added: --max-warnings CLI flag (#2942).
• Added: selector-combinator-*list rules (#3088).
• Added: selector-pseudo-element-*list rules (#3104).
• Added: ignore: ["first-nested"] to custom-property-empty-line-before (#3104).
• Added: ignore: ["first-nested"] to declaration-empty-line-before (#3103).
• Added: ignoreProperties: [] to property-no-vendor-prefix (#3089).
• Fixed: font-family-name-quotes unicode range increased (#2974).
• Fixed: selector-max-id in nested at-statements (#3113).

8.4.0

• Added: except: ["after-closing-brace"] to block-closing-brace-empty-line-before (#3011).
• Fixed: unmet peer dependency warning for postcss-sass (#3040).
• Fixed: false positives for CSS within comments in *.pcss files (#3064).
• Fixed: font-family-no-missing-generic-family-keyword configuration (#3039).
• Fixed: indentation autofix for HTML (#3044).

8.3.1

• Fixed: font-family-no-missing-generic-family-keyword false positives for at-font-face (#3034).

8.3.0

• Added: autofix support for stdin input (#2787).
• Added: support for <style> tags and markdown fences in .vue and .html files (#2975).
• Added: font-family-no-missing-generic-family-keyword rule (#2930).
• Added: no-duplicate-at-import-rules rule (#2963).
• Added: number-leading-zero autofix (#2921).
• Added: number-no-trailing-zeros autofix (#2947).
• Added: shorthand-property-no-redundant-values autofix (#2956).
• Added: string-quotes autofix (#2959).
• Added: ignore: ["custom-properties"] option to length-zero-no-unit (#2967).
• Added: except: ["inside-block"] option to rule-empty-line-before (#2982).
• Added: ignoreValues to value-no-vendor-prefix (#3015).
• Added: ignoreMediaFeatureNames to unit-blacklist (#3027).
• Fixed: comment-empty-line-before false positives for shared-line comments (#2986).
• Fixed: unit-* false positives for spaceless multiplication (#2948).

8.2.0

• Added: autofix of syntax errors in standard CSS e.g. unclosed braces and brackets (#2886).
• Added: length-zero-no-unit autofix (#2861).
• Added: selector-max-specificity support for level 4 evaluation context pseudo-classes (#2857).
• Added: ignoreUnits option to number-max-precision (#2941).
• Added: ignoreSelectors option to selector-max-specificity (#2857).
• Added: ignoreProperties option to value-keyword-case (#2937).
• Fixed: *-empty-line-before false negatives and positives when two or more except: [*] options were triggered (#2920).
• Fixed: *-empty-line-before false positives for CSS in HTML (#2854).
• Fixed: rule-empty-line-before false positives for ignore: ["inside-block"] and CSS in HTML (#2894).
• Fixed: rule-empty-line-before false positives for except: ["after-single-line-comment"] and preceding shared-line comments (#2920).
• Fixed: selector-list-comma-newline-after false positives for shared-line comments separated by more than once space (#2915).
• Fixed: selector-pseudo-class-no-unknown false positives when using chained pseudo-classes (#2810).
• Fixed: string-quotes false positives for @charset and single quotes (#2902).
• Fixed: unit-no-unknown false positives for spaceless multiplication and division in calc() functions (#2848).

8.1.1

• Fixed: --ignore-pattern in CLI (#2851).

8.1.0

• Added: Allow specifying codeFilename to createStylelintResult for raw code linting standalone API (#2450).
• Added: ignorePattern option (--ignore-pattern in CLI), to allow patterns of files to ignored (#2834).
• Added: More rules now support experimental autofixing. Use --fix CLI parameter or fix: true Node.js API options property. Newly supported rules:
  • color-hex-length (#2781).
  • no-missing-end-of-source-newline (#2772).
• Fixed: *-empty-line-before false positives shared-line comments and "first-nested" option (#2827).
• Fixed: color-hex-length false positives for ID references in url functions (#2806).
• Fixed: indentation false positives for Less parametric mixins with rule block/snippet (#2744).
• Fixed: no-empty-source compatibility with postcss-html custom syntax (#2798).
• Fixed: no-extra-semicolons false negatives where instances were not detected when followed by multiple comments (#2678).
• Fixed: selector-max-specificity cannot parse selector problem for Less mixins (#2677).

8.0.0

This release is accompanied by:

• A new semantic version policy. The use of the tilde (~) in package.json is now recommended, e.g. "stylelint": "~8.0.0", to guarantee the results of your builds (#1865).
• A new VISION document, complemented by (#2704):
  • The restructuring of the list of rules into three groups:
    • Possible errors
    • Limit language features
    • Stylistic issues
  • The release of a new sharable config, stylelint-config-recommended. This config only turns on the possible error rules. stylelint-config-standard now builds on top of the recommended config by turning on over 60 additional stylistic rules.

Changes:

• Removed: the 21 rules deprecated in 7.8.0 & 7.12.0 (#2422 & #2693).
  • block-no-single-line.
  • custom-property-no-outside-root
  • declaration-block-no-ignored-properties.
  • declaration-block-properties-order.
  • function-url-data-uris.
  • media-feature-no-missing-punctuation.
  • no-browser-hacks.
  • no-indistinguishable-colors.
  • no-unsupported-browser-features.
  • root-no-standard-properties
  • rule-nested-empty-line-before.
  • rule-non-nested-empty-line-before.
  • selector-no-attribute.
  • selector-no-combinator.
  • selector-no-empty.
  • selector-no-id.
  • selector-no-type.
  • selector-no-universal.
  • selector-root-no-composition.
  • stylelint-disable-reason.
  • time-no-imperceptible.
• Removed: the 4 options deprecated in 7.8.0 (#2433).
  • "all-nested" option for at-rule-empty-line-before.
  • "blockless-group" option for at-rule-empty-line-before.
  • "between-comments" option for comment-empty-line-before.
  • "at-rules-without-declaration-blocks" option for max-nesting-depth.
• Changed: compatibility with postcss from @5 to @6 (#2561).
• Changed: parse errors now trigger exit with non-zero code (#2713).
• Changed: report-needless-disables now exits with non-zero code (#2341).
• Changed: *-blacklist and *-whitelist (and ignore* [] secondary options) are now case sensitive. Use regular expressions with the i flag for case insensitivity (#2709).
• Changed: *-empty-line-before now correctly handle shared-line comments (#2262).
• Changed: *-empty-line-before now consider line as empty if it contains whitespace only (#2440).
• Changed: function-linear-gradient-no-nonstandard-direction now checks all linear-gradients in a value list (#2496).
• Changed: selector-max-compound-selectors now checks all resolved selectors, rather than just the deepest (#2350).
• Added: disableDefaultIgnores option (--disable-default-ignores in CLI), to allow linting of node_modules and bower_components directories (#2464).
• Added: more efficient file ignoring with .stylelintignore (#2464).
• Added: ignore: ["child"] option to selector-max-type (#2701).
• Fixed: declaration-block-no-redundant-longhand-properties and declaration-block-no-shorthand-property-overrides understand more shorthand properties (#2354).
• Fixed: selector-max-type no longer produces false negatives for when child, next-sibling and following-sibling combinators are used with ignore: ["descendant"] (#2701).

7.13.0

• Added: ignoreAttributes option to selector-max-attribute (#2722).
• Fixed: selector-combinator-space-* false positives for CSS namespaced type selectors (#2715).
• Fixed: selector-max-specificity now ignores nested non-standard selectors (#2685).

7.12.0

• Deprecated: 6 rules, each has been replaced by a more configurable alternative (#2679).
  • function-url-data-uris rule. Use either function-url-scheme-blacklist or function-url-scheme-whitelist.
  • selector-no-attribute rule. Use selector-max-attribute with 0 as its primary option.
  • selector-no-combinator rule. Use selector-max-combinators with 0 as its primary option.
  • selector-no-id rule. Use selector-max-id with 0 as its primary option.
  • selector-no-type rule. Use selector-max-type with 0 as its primary option.
  • selector-no-universal rule. Use selector-max-universal with 0 as its primary option.
• Added: function-url-scheme-blacklist rule (#2626).
• Added: function-url-scheme-whitelist regex support (#2662).
• Added: selector-max-attribute rule (#2628).
• Added: selector-max-combinators rule (#2658).
• Added: selector-max-id rule (#2654).
• Added: selector-max-type rule (#2665).
• Added: selector-max-universal rule (#2653).
• Fixed: --fix no longer crashes when used with ignored files (#2652).
• Fixed: max-* rules now use singular and plural nouns in their messages (#2663).

7.11.1

• Fixed: media-feature-name-*list now accept arrays for their primary options (#2632).
• Fixed: selector-* now ignore custom property sets (#2634).
• Fixed: selector-pseudo-class-no-unknown now ignores Less :extend (#2625).

7.11.0

• Added: experimental autofixing (#2467, #2500, #2529 and #2577). Use --fix CLI parameter or fix: true Node.js API options property. Supported rules:
  • at-rule-empty-line-before
  • at-rule-name-case
  • color-hex-case
  • comment-empty-line-before
  • custom-property-empty-line-before
  • declaration-empty-line-before
  • indentation
  • rule-empty-line-before
• Added: selector-max-class rule.
• Added: ignore: ["custom-elements"] option to selector-type-no-unknown (#2366).
• Fixed: "Cannot find module 'pify'" regression in node@4 with npm@2 (#2614).
• Fixed: no error is thrown when linting a string with cache enabled (#2494).
• Fixed: Less :extend is now ignored (#2571).
• Fixed: function-parentheses-space-inside now ignores functions without parameters (#2587).
• Fixed: length-zero-no-unit now correctly handles newlines and no spaces after colon (#2477).
• Fixed: selector-descendant-combinator-no-non-space and selector-combinator-space-before/after now understand and check >>> shadow-piercing combinator (#2509).
• Fixed: selector-descendant-combinator-no-non-space now ignores Less guards (#2557).
• Fixed: selector-pseudo-class-no-unknown now checks @page at-rules and supports @page pseudo-classes (#2445).
• Fixed: selector-pseudo-class-no-unknown now considers focus-ring, playing and paused to be known (#2507).
• Fixed: selector-type-no-unknown now ignores MathML tags (#2478).
• Fixed: selector-type-no-unknown now ignores the /deep/ shadow-piercing combinator (#2508).
• Fixed: value-keyword-case now ignores variables with signs (#2558).

7.10.1

• Fixed: scope is kept when using schema.preceedingPlugins (#2455).

7.10.0

• Added: support for asynchronous plugin rules (#2351).
• Added: cache option to store the info about processed files in order to only operate on the changed ones the next time you run Stylelint (#2293).
• Added: at-rule-semicolon-space-before rule (#2388).
• Added: ignore: ["comments"] to max-empty-lines (#2401).
• Added: ignore: ["default-namespace"] to selector-type-no-unknown (#2461).
• Added: ignoreDefaultNamespaces option to selector-type-no-unknown (#2461).
• Fixed: more helpful messages when file globs do not match any files (#2328).
• Fixed: decl/ folder of Flow types is shipped with the package, for consumers that use Flow (#2322).
• Fixed: function-url-scheme-whitelist was working incorrectly if more than one URL scheme were specified (#2447).
• Fixed: no-duplicate-selector now includes the duplicate selector's first usage line in message (#2415).
• Fixed: no-extra-semicolons false positives for comments after custom property sets (#2396).
• Fixed: value-keyword-case false positives for attr, counter, counters functions and counter-reset property (#2407).
• Fixed: Less mergeable properties are now ignored (#2570).

7.9.0

• Added: ignoreFontFamilyName option to font-family-no-duplicate (#2314).
• Added: ignorePattern option to max-line-length (#2333).
• Fixed: update version of lodash dependency to match feature usage, fixing a conflict with Modernizr (#2353).
• Fixed: color-hex-case false positives for ID references in url functions (#2338).
• Fixed: max-line-length now reports correct column for SCSS comments (#2340).
• Fixed: selector-class-pattern false positive in SCSS when combining interpolated and nested selectors (#2344).
• Fixed: selector-type-case false positive for placeholder selectors (#2360).

7.8.0

• Deprecated: 15 rules (#2197, #2285 & #2309).
  • block-no-single-line. Use block-opening-brace-newline-after and block-closing-brace-newline-before rules with the option "always" instead.
  • declaration-block-properties-order. Use the stylelint-order plugin pack instead.
  • rule-nested-empty-line-before and rule-non-nested-empty-line-before. Use the new rule-empty-line-before rule instead.
  • time-no-imperceptible. Use the new time-min-milliseconds rule with 100 as its primary option.
  • It is beyond the scope of Stylelint's core package to effectively validate against the CSS spec. Please investigate csstree and css-values for this functionality, and contribute to those projects and to Stylelint plugins wrapping them. csstree already has a Stylelint plugin, and css-values needs one to be developed. The following rules are deprecated for this reason.
    • media-feature-no-missing-punctuation.
    • selector-no-empty.
  • A plugin is a better package for a rule that wraps a third-party library. The following rules are deprecated for this reason. We encourage users to create and help maintain plugins for these rules.
    • no-browser-hacks
    • no-indistinguishable-colors
    • no-unsupported-browser-features
  • The following rules did not seem useful. If you liked these rules, please create plugins for them.
    • custom-property-no-outside-root
    • root-no-standard-properties
    • selector-root-no-composition.
  • The following rules did not work well.
    • stylelint-disable-reason could not enforce providing a reason.
    • declaration-block-no-ignored-properties could not reliably account for replaced elements.
• Deprecated: 4 options (#2213).
  • "all-nested" option for at-rule-empty-line-before. Use the "inside-block" option instead.
  • "blockless-group" option for at-rule-empty-line-before. Use the "blockless-after-blockless" option instead.
  • "between-comments" option for comment-empty-line-before. Use the "after-comment" option instead.
  • "at-rules-without-declaration-blocks" option for max-nesting-depth. Use the "blockless-at-rules" option instead.
• Added: time-min-milliseconds rule, to replace time-no-imperceptible (#2289).
• Added: except: ["after-same-name"] option to at-rule-empty-line-before (#2225).
• Fixed: configOverrides now work with extends (#2295).
• Fixed: max-line-length no longer reports incorrect column positions for lines with url() or import (#2287).
• Fixed: selector-pseudo-class-no-unknown no longer warns for proprietary webkit pseudo-classes (#2264).
• Fixed: unit-no-unknown accepts fr units (#2308).

7.7.1

• Fixed: ensure only absolute filepaths are passed to processors (#2207).

7.7.0

• Added: stylelint.formatters exposed in public Node.js API (#2190).
• Added: stylelint.utils.checkAgainstRule for checking CSS against a standard Stylelint rule within your own rule (#2173).
• Added: allow-empty-input flag to CLI (#2117).
• Added: except: ["after-rule"] option to rule-nested-empty-line-before (#2188).
• Fixed: regression causing --stdin-filename in CLI and codeFilename in Node.js API to error if a nonexistent filename is provided (#2128).
• Fixed: a boolean CLI flag (e.g. --quiet) placed before an input glob no longer causes the input to be ignored (#2186).
• Fixed: the node_modules and bower_components directories are correctly ignored by default when Stylelint is used as a PostCSS plugin (#2171).
• Fixed: bug where some Node.js errors in special cases did not cause the CLI to exit with a non-zero code (#2140)
• Fixed: false positives related to LESS detached rulesets (#2089).
• Fixed: color-named now ignores SCSS maps, so map property names can be color names (#2182).
• Fixed: comment-whitespace-inside no longer complains about /*! comments with non-space whitespace (e.g. newlines) (#2121).
• Fixed: media-feature-name-no-vendor-prefix no longer throws syntax errors on unknown unprefixed variants (#2152).
• Fixed: selector-max-compound-selectors ignores SCSS nested declarations (#2102).
• Fixed: selector-pseudo-class-no-unknown no longer reports false positives for custom selectors (#2147).

7.6.0

• Added: option customSyntax (for Node.js API) and --custom-syntax (for CLI).
• Added: font-family-no-duplicate-names rule.
• Fixed: CLI now understands absolute paths for the --custom-formatter option.
• Fixed: the string and verbose formatters now use dim instead of gray for greater compatibility with different terminal color schemes.
• Fixed: media-feature-parentheses-space-inside handles comments within the parentheses.
• Fixed: selector-no-qualifying-type now ignores SCSS %placeholders.

7.5.0

• Added: selector-no-empty rule.
• Fixed: if no config is found relative to the stylesheet, look for one relative to process.cwd().
• Fixed: lookup ignoreFiles globs relative to process.cwd() if config is directly passed as a JS object and no configBasedir is provided.
• Fixed: SugarSS no longer reports wrong column number in block-no-empty.
• Fixed: configOverrides work with plugins, extends, and processors.
• Fixed: a bug causing inaccuracy in nested stylelint-disable and stylelint-enable comments.
• Fixed: function-calc-no-unspaced-operator false positives for SCSS interpolation.
• Fixed: no-descending-specificity now ignores custom property sets.
• Fixed: value-keyword-case false positives for some camel-case SVG keywords.

7.4.2

• Fixed: regression where using null to turn off a rule caused errors.

7.4.1

• Fixed: regression where using null for rules that take an array for their primary option would trigger a validation warning.

7.4.0

• Added: each stylesheet looks up configuration from its own path. Different files can now use different configurations during the same linting process.
• Added: relative path extends, plugins, and processors try to load from process.cwd() if they aren't found relative to the invoking configuration.
• Added: /* stylelint-disable-next-line */ comments.
• Added: media-feature-name-blacklist rule.
• Added: media-feature-name-whitelist rule.
• Added: ignore: ["after-declaration"] option to declaration-empty-line-before.
• Added: except: ["empty"] option to function-url-quotes.
• Fixed: function-linear-gradient-no-nonstandard-direction no longer warns when vendor-prefixed linear-gradient properties are used correctly.
• Fixed: no-extra-semicolons now ignores the semicolon that comes after the closing brace of a custom property set.
• Fixed: no-unknown-animations no longer delivers false positives when there are multiple animation names.
• Fixed: number-* rules now ignore numbers in comments and strings.
• Fixed: value-keyword-case now ignores system color keywords.

7.3.1

• Fixed: regression in 7.3.0 which caused a "Cannot read property 'length' of undefined" error on a certain selector.

7.3.0

• Added: processors can accept options objects.
• Added: ignore: ["inside-function"] option to color-named.
• Fixed: --ignore-path and --report-needless-disables no longer fails when used together.
• Fixed: block-closing-brace-newline-after and block-closing-brace-space-after now allow a trailing semicolon after the closing brace of a block.
• Fixed: block-no-single-line now ignores empty blocks.
• Fixed: declaration-block-no-ignored-properties now uses the value of the last occurrence of a triggering property.
• Fixed: indentation now correctly handles _ hacks on property names.
• Fixed: property-no-unknown now ignores SCSS nested properties.

7.2.0

• Added: --report-needless-disables and reportNeedlessDisables option.
• Added: --ignore-disables and ignoreDisables option.
• Added: --config-basedir option to CLI.
• Added: declaration-block-no-redundant-longhand-properties rule.
• Added: function-url-scheme-whitelist rule.
• Added: media-feature-name-no-unknown rule.
• Added: selector-descendant-combinator-no-non-space rule.
• Added: value-list-max-empty-lines rule.
• Added: ignoreProperties option to color-named.
• Added: ignore: ["consecutive-duplicates-with-different-values"] option to declaration-block-no-duplicate-properties.
• Added: ignore: ["comments"] option to max-line-length.
• Added: ignoreAtRules option to max-nesting-depth.
• Added: ignoreProperties option to unit-blacklist and unit-whitelist
• Fixed: no longer parsing ignored files before ignoring them.
• Fixed: configFile and configBasedir can now be used together.
• Fixed: max-line-length now correctly handles Windows line endings.
• Fixed: no-descending-specificity treats selectors with pseudo-elements as distinct from their counterparts without pseudo-classes, because they actually target different elements.
• Fixed: no-unknown-animations and unit-blacklist now handle numbers without leading zeros.
• Fixed: root-no-standard-properties now handles custom property sets.
• Fixed: selector-no-type ignore: ["descendant"] option now correctly handles descendants within a selector list.
• Fixed: selector-pseudo-class-no-unknown now understands the Shadow DOM selectors of host and host-context.
• Fixed: selector-pseudo-element-no-unknown now understands the Shadow DOM selector of slotted.

7.1.0

• Added: block-closing-brace-empty-line-before rule.
• Added: comment-no-empty rule.
• Added: custom-property-empty-line-before rule.
• Added: declaration-empty-line-before rule.
• Added: media-feature-name-case rule.
• Added: selector-nested-pattern rule.
• Added: selector-pseudo-class-blacklist rule.
• Added: selector-pseudo-class-whitelist rule.
• Added: regex support to the ignore* secondary options of the *-no-unknown rules.
• Added: ignore: ["blockless-after-same-name-blockless"] option to at-rule-empty-line-before.
• Added: except: ["blockless-after-same-name-blockless"] option to at-rule-empty-line-before.
• Added: ignore: ["empty-lines"] option to no-eol-whitespace.
• Added: ignoreTypes option to selector-no-type to whitelist allowed types for selectors.
• Fixed: color-named now ignores declarations that accept custom idents.
• Fixed: font-family-name-quotes correctly handles numerical font weights for the font shorthand property.
• Fixed: indentation now correctly handles Windows line endings within parentheticals.
• Fixed: media-feature-no-missing-punctuation now ignores media features containing complex values e.g. (min-width: ($var - 20px)) and (min-width: calc(100% - 20px)).
• Fixed: no-descending-specificity message to correctly show which selector should come first.
• Fixed: selector-combinator-space-after and selector-combinator-space-before now ignore operators within parenthetical non-standard constructs.

7.0.3

• Fixed: bug causing rules in extended configs to be merged with, rather than replaced by, the extending config.
• Fixed: selector-class-pattern now ignores fractional keyframes selectors.
• Fixed: selector-max-specificity now ignores selectors containing the matches() pseudo-class, and warns if the underlying specificity module cannot parse the selector.
• Fixed: selector-no-type with secondary option ignore: ["descendant"] will now resolve nested selectors.

7.0.2

• Fixed: at-rule-blacklist, at-rule-whitelist, comment-word-blacklist, selector-attribute-operator-blacklist, selector-attribute-operator-whitelist now accept array as first option.
• Fixed: unit-* rules now ignore CSS hacks.

7.0.1

• Fixed: missing known-css-properties dependency.

7.0.0

• Removed: --extract and extractStyleTagsFromHtml options. Instead, build and use processors.
• Removed: support for plugin rule names that aren't namespaced, i.e. only your-namespace/your-rule-name rule names are supported. (If your plugin provides only a single rule or you can't think of a good namespace, you can simply use plugin/my-rule.)
• Removed: --verbose CLI flag. Use --formatter verbose instead.
• Removed: NodeJS 0.12.x support. 4.2.1 LTS or greater is now required.
• Removed: media-query-parentheses-space-inside rule. Use the new media-feature-parentheses-space-inside rule instead.
• Removed: no-missing-eof-newline rule. Use the new rule no-missing-end-of-source-newline instead.
• Removed: number-zero-length-no-unit rule. Use the length-zero-no-unit rule instead.
• Removed: property-unit-blacklist rule. Use the declaration-property-unit-blacklist rule instead.
• Removed: property-unit-whitelist rule. Use the declaration-property-unit-whitelist rule instead.
• Removed: property-value-blacklist rule. Use the declaration-property-value-blacklist rule instead.
• Removed: property-value-whitelist rule. Use the declaration-property-value-whitelist rule instead.
• Removed: "emptyLineBefore" option for declaration-block-properties-order. If you use this option, please consider creating a plugin for the community.
• Removed: "single-where-required", "single-where-recommended", "single-unless-keyword", "double-where-required", "double-where-recommended" and "double-unless-keyword" options for font-family-name-quotes. Instead, use the "always-unless-keyword", always-where-recommended or always-where-required options together with the string-quotes rule.
• Removed: "single", "double" and "none" options for function-url-quotes. Instead, use the "always" or "never" options together with the string-quotes rule.
• Removed: "hierarchicalSelectors" option for indentation. If you use this option, please consider creating a plugin for the community.
• Removed: stylelint.utils.cssWordIsVariable().
• Removed: stylelint.utils.styleSearch(). Use the external style-search module instead.
• Changed: invalid configuration sets result's stylelintError to true, which in turn causes CLI to exit with a non-zero code.
• Changed: non-standard syntaxes are automatically inferred from file extensions .scss, .less, and .sss.
• Changed: .stylelintignore now uses .gitignore syntax, and Stylelint looks for it in process.cwd().
• Changed: files matching ignore patterns no longer receive an "info"-severity message, which was always printed by the string formatter. Instead, the file's Stylelint result object receives an ignored: true property, which various formatters can use as needed. The standard string formatter prints nothing for ignored files; but when the verbose formatter is used, ignored files are included in the filelist.
• Changed: plugin arrays in extended configs are now concatenated with the main config's plugin array, instead of being overwritten by it. So plugins from the main config and from extended configs will all be loaded.
• Changed: -v flag to display version number.
• Changed: comment-word-blacklist no longer ignores words within copyright comments.
• Changed: comment-word-blacklist will now identify strings within comments, rather than just at the beginning of, when the string option is used.
• Changed: declaration-block-no-ignored-properties now detects use of min-width and max-width with inline, table-row, table-row-group, table-column and table-column-group elements.
• Changed: declaration-block-no-ignored-properties now detects use of overflow, overflow-x and overflow-y with inline elements.
• Changed: declaration-block-no-ignored-properties now ignores the combination of float and display: inline-block | inline.
• Changed: font-family-name-quotes now checks the font property in addition to the font-family property.
• Changed: font-family-name-quotes treats -apple-* and BlinkMacSystemFont system fonts as keywords that should never be wrapped in quotes.
• Changed: indentation now checks inside of parentheses by default. If you use the indentInsideParens: "once" secondary option, simply remove it from your config. If you do not want to check inside of parentheses, use the new ignore: ["inside-parens"] secondary option. The indentInsideParens: "twice" and indentInsideParens: "once-at-root-twice-in-block" secondary options are unchanged.
• Changed: keyframe-declaration-no-important now checks vendor prefixed @keyframes at-rules.
• Changed: selector-attribute-quotes now checks attribute selectors with whitespace around the operator or inside the brackets.
• Changed: time-no-imperceptible now checks vendor prefixed properties.
• Changed: unit-* rules now check @media values too.
• Added: plugins can allow primary option arrays by setting ruleFunction.primaryOptionArray = true.
• Added: processors.
• Added: media-feature-parentheses-space-inside rule.
• Added: no-missing-end-of-source-newline rule.
• Added: property-no-unknown rule.
• Fixed: Better handling quotes in selector attribute with multiple attributes.
• Fixed: no-unknown-animations now classifies vendor prefixed @keyframes at-rules as known.

6.9.0

• Added: defaultSeverity configuration option.
• Added: invoking the CLI with no arguments and no stdin (i.e. just stylelint) is equivalent to stylelint --help.
• Added: function-url-no-scheme-relative rule.
• Added: selector-attribute-quotes rule.
• Fixed: the CLI now uses process.exitCode with stdOut to allow the process to exit naturally and avoid truncating output.
• Fixed: function-calc-no-unspaced-operator correctly interprets negative fractional numbers without leading zeros and those wrapped in parentheses.
• Fixed: no-extra-semicolons now ignores semicolons after Less mixins.
• Fixed: number-max-precision now ignores uppercase and mixed case @import at-rules.
• Fixed: selector-max-specificity no longer crashes on selectors containing :not() pseudo-classes.
• Fixed: time-no-imperceptible correctly handles negative time.

6.8.0

• Deprecated: -e and --extract CLI flags, and the extractStyleTagsFromHtml Node.js API option. If you use these flags or option, please consider creating a processor for the community.
• Added: at-rule-no-unknown rule.
• Added: no-empty-source rule.
• Added: except: ["after-single-line-comment"] option for rule-non-nested-empty-line-before.
• Added: ignoreProperties: [] option for declaration-block-no-duplicate-properties.
• Fixed: accuracy of warning positions for empty blocks when using SugarSS parser.

6.7.1

• Fixed: block-*-brace-*-before CRLF (\r\n) warning positioning.
• Fixed: no-descending-specificity now does comparison of specificity using ints, rather than strings.
• Fixed: selector-no-type and selector-type-case now ignore non-standard keyframe selectors (e.g. within an SCSS mixin).
• Fixed: selector-type-no-unknown no longer reports fractional keyframe selectors.

6.7.0

• Added: ignoreFunctions: [] option for function-name-case.
• Fixed: rules using findFontFamily util correctly interpret <font-size>/<line-height> values with unitless line-heights.
• Fixed: indentation better understands nested parentheticals that aren't just Sass maps and lists.
• Fixed: no-unsupported-browser-features message now clearly states that only fully supported features are allowed.
• Fixed: selector-max-specificity no longer reports that a selector with 11 elements or more has a higher specificity than a selector with a single classname.
• Fixed: selector-type-no-unknown no longer warns for complex keyframe selectors.

6.6.0

• Deprecated: number-zero-length-no-unit. Use length-zero-no-unit instead.
• Deprecated: property-*-blacklist and property-*-whitelist. Use declaration-property-*-blacklist and declaration-property-*-whitelist instead.
• Deprecated: -v and --verbose CLI flags. Use -f verbose or --formatter verbose instead.
• Deprecated: stylelint.util.styleSearch(). Use the external module style-search instead.
• Added: option ignorePath (for JS) and --ignore-path (for CLI).
• Added: -h alias for --help CLI flag.
• Added: at-rule-blacklist rule.
• Added: at-rule-name-newline-after rule.
• Added: at-rule-whitelist rule.
• Added: ignore: "blockless-group" option for at-rule-empty-line-before.
• Added: ignoreAtRules: [] option for at-rule-empty-line-before.
• Added: function-blacklist now accepts regular expressions.
• Added: function-whitelist now accepts regular expressions.
• Fixed: crash when tty columns is reported as zero, which happened when running Stylelint on Travis CI in OSX.
• Fixed: selector-targeting rules ignore Less mixins and extends.
• Fixed: at-rule-name-newline-after now correctly accepts one or more newlines.
• Fixed: declaration-block-semicolon-newline-before now correctly accepts one or more newlines.
• Fixed: function-url-quotes ignores values containing $sass and @less variables.
• Fixed: function-whitespace-after ignores postcss-simple-vars-style interpolation.
• Fixed: indentation better understands nested parentheticals, like nested Sass maps.
• Fixed: no-extra-semicolons reports errors on the correct line.
• Fixed: selector-combinator-space-* rules now ignore escaped combinator-like characters.
• Fixed: selector-type-no-unknown ignores non-standard usage of percentage keyframe selectors (e.g. within an SCSS mixin).
• Fixed: value-keyword-case now ignores custom idents of properties animation, font, list-style.

6.5.1

• Deprecated: "emptyLineBefore" option for declaration-block-properties-order. If you use this option, please consider creating a plugin for the community.
• Deprecated: "single-where-required", "single-where-recommended", "single-unless-keyword", "double-where-required", "double-where-recommended" and "double-unless-keyword" options for font-family-name-quotes. Instead, use the "always-unless-keyword", always-where-recommended or always-where-required options together with the string-quotes rule.
• Deprecated: "single", "double" and "none" options for function-url-quotes. Instead, use the "always" or "never" options together with the string-quotes rule.
• Deprecated: "hierarchicalSelectors" option for indentation. If you use this option, please consider creating a plugin for the community.
• Fixed: the string formatter no longer errors on non-rule errors.
• Fixed: selector-list-comma-* rules now ignore Less mixins.
• Fixed: selector-max-compound-selectors no longer errors on Less mixins.
• Fixed: selector-type-no-unknown now ignores all An+B notation and linguistic pseudo-classes.
• Fixed: selector-type-no-unknown now ignores obsolete HTML tags and <hgroup>.

6.5.0

• Added: selector-max-compound-selectors rule.
• Fixed: babel-polyfill removed so it doesn't clash with other processes using babel-polyfill.
• Fixed: selector-type-case and selector-type-no-unknown rules now ignore SCSS placeholder selectors.

6.4.2

• Fixed: selector-pseudo-class-case, selector-pseudo-class-no-unknown, selector-pseudo-element-case, selector-pseudo-element-no-unknown rules now ignore SCSS variable interpolation.
• Fixed: selector-type-no-unknown now ignores nested selectors and keyframe selectors.

6.4.1

• Fixed: shorthand-property-no-redundant-values now ignores background, font, border, border-top, border-bottom, border-left, border-right, list-style, transition properties.
• Fixed: unit-no-unknown now ignores hex colors.

6.4.0

• Added: keyframe-declaration-no-important rule.
• Added: selector-attribute-operator-blacklist rule.
• Added: selector-attribute-operator-whitelist rule.
• Added: selector-pseudo-class-no-unknown rule.
• Added: selector-type-no-unknown rule.
• Fixed: string formatter no longer errors on multi-byte message.
• Fixed: catch errors thrown by postcss-selector-parser and register them as PostCSS warnings, providing a better UX for editor plugins.
• Fixed: some rules now better handle case insensitive CSS identifiers.
• Fixed: font-family-name-quotes, media-feature-no-missing-punctuation, media-query-list-comma-newline-after, media-query-list-comma-newline-before, media-query-list-comma-space-after and media-query-list-comma-space-before rules now better ignore SCSS, Less variables and nonstandard at-rules.
• Fixed: no-unknown-animations now ignores ease value.
• Fixed: unit-blacklist, unit-case, unit-no-unknown, unit-whitelist now better accounts interpolation.
• Fixed: unit-no-unknown no longer breaks Node.js 0.12 (because we've included the Babel polyfill).
• Fixed: value-keyword-case now ignores custom idents of properties animation-name, counter-increment, font-family, grid-row, grid-column, grid-area, list-style-type.
• Fixed: wrong example for always-multi-line in rule block-opening-brace-newline-before documentation.

6.3.3

• Fixed: block-closing-brace-newline-before no longer delivers false positives for extra semicolon.
• Fixed: declaration-block-no-ignored-properties now detects use of vertical-align with block-level elements.
• Fixed: font-family-name-quotes is now case insensitive when hunting for font-family properties.
• Fixed: number-zero-length-no-unit now ignores deg, grad, turn and rad units.
• Fixed: selector-no-type does a better job when ignoring descendant and compound selectors.

6.3.2

• Fixed: shorthand-property-no-redundant-values now handles uppercase values properly.

6.3.1

• Fixed: declaration-block-no-ignored-properties now longer crashes on nested rules.

6.3.0

• Deprecated: support for plugin rule names that aren't namespaced i.e. only your-namespace/your-rule-name rule names are supported. If your plugin provides only a single rule or you can't think of a good namespace, you can simply use plugin/my-rule).
• Added: support for plugins that provides an array of rules.
• Added: support for extracting and linting CSS from within HTML sources.
• Added: --stdin-filename option to CLI.
• Added: at-rule-name-space-after rule.
• Added: no-extra-semicolons rule.
• Added: selector-attribute-operator-space-after rule.
• Added: selector-attribute-operator-space-before rule.
• Added: selector-max-empty-lines rule.
• Added: selector-pseudo-element-no-unknown rule.
• Added: flexible support for end-of-line comments in at-rule-semicolon-newline-after, block-opening-brace-newline-after, and declaration-block-semicolon-newline-after.
• Fixed: string and verbose formatters no longer use an ambiguous color schemes.
• Fixed: string formatter no longer outputs an empty line if there are no problems.
• Fixed: all rules now handle case insensitive CSS identifiers.
• Fixed: function-comma-newline-after now allows end-of-line comments.
• Fixed: function-url-quotes now ignores spaces within url().
• Fixed: no-descending-specificity now ignores trailing colons within selectors.
• Fixed: no-indistinguishable-colors now ignores keyword color names within url().
• Fixed: number-max-precision now ignores @import at-rules and url() functions.
• Fixed: selector-class-pattern and selector-id-pattern rules now ignore SCSS variable interpolation.
• Fixed: value-list-comma-* rules now ignore SCSS maps.

6.2.2

• Deprecated: stylelint.utils.cssWordIsVariable() as non-standard syntax utils are now defensive.
• Fixed: declaration-colon-* rules now ignore SCSS lists.
• Fixed: font-weight-notation now ignores SCSS interpolation.
• Fixed: rule-nested-empty-line-before now ignores Less blockless rules (mixin and extend calls).

6.2.1

• Fixed: more problems with exposed stylelint.createRuleTester.

6.2.0

• Added: selector-no-qualifying-type rule.
• Fixed: number-leading-zero will not check @import at-rules.
• Fixed: selector-class-pattern now ignores non-outputting Less mixin definitions and called Less mixins.
• Fixed: value-keyword-case now accounts for camelCase keywords (e.g. optimizeSpeed, optimizeLegibility and geometricPrecision) when the lower option is used.
• Fixed: testUtils and stylelint.createRuleTester module mistakes.

6.1.1

• Fixed: documentation links to selector-pseudo-class-parentheses-space-inside and selector-attribute-brackets-space-inside.

6.1.0

• Added: support for .stylelintignore file.
• Added: warning message in output when a file is ignored.
• Added: comment-word-blacklist rule.
• Added: selector-attribute-brackets-space-inside rule.
• Added: selector-pseudo-class-parentheses-space-inside rule.
• Added: shorthand-property-no-redundant-values rule.
• Added: ignoreKeywords option for value-keyword-case.
• Fixed: CRLF (\r\n) warning positioning in string-no-newline.
• Fixed: parsing problems when using ///-SassDoc-style comments.
• Fixed: max-empty-lines places warning at the end of the violating newlines to avoid positioning confusions.

6.0.3

• Fixed: CRLF (\r\n) warning positioning in max-empty-lines and function-max-empty-lines.

6.0.2

• Fixed: CssSyntaxError sets errored on output to true.

6.0.1

• Fixed: function-name-case now accounts for camelCase function names (e.g. translateX, scaleX etc) when the lower option is used.

6.0.0

• Changed: CssSyntaxError is no longer thrown but reported alongside warnings.
• Added: new look for standard formatter and support for arbitrary severity names.
• Added: exposed stylelint.utils.cssWordIsVariable().
• Added: at-rule-name-case rule.
• Added: function-name-case rule.
• Added: property-case rule.
• Added: selector-pseudo-class-case rule.
• Added: selector-pseudo-element-case rule.
• Added: unit-case rule.
• Added: value-keyword-case rule.
• Added: indentClosingBrace option to indentation.
• Added: indentInsideParens option to indentation.
• Added: consecutive-duplicates option for declaration-block-no-duplicate-properties rule.
• Fixed: block-no-empty no longer delivers false positives for less syntax.
• Fixed: declaration-block-trailing-semicolon better understands nested at-rules.
• Fixed: number-zero-length-no-unit now work with q unit and ignores s, ms, kHz, Hz, dpcm, dppx, dpi units

5.4.0

• Added: unit-no-unknown rule.
• Fixed: no-descending-specificity no longer gets confused when the last part of a selector is a compound selector.
• Fixed: regression causing indentation to complain about Sass maps.
• Fixed: declaration-block-no-ignored-properties now ignore clear for position: absolute and position: relative and does not ignore float on display: table-*.

5.3.0

• Added: (experimental) support for Less syntax.
• Added: support for SugarSS syntax.
• Added: exposed stylelint.createRuleTester().
• Added: declaration-block-no-ignored-properties rule.
• Added: function-max-empty-lines rule.
• Added: function-url-data-uris rule.
• Fixed: block-closing-brace-newline-after accepts single-line comments immediately after the closing brace.
• Fixed: block-closing-brace-newline-after use of "single space", rather than "newline", in its messages.
• Fixed: font-weight-notation now ignores initial value.
• Fixed: function-* rules should all now ignore all Sass maps and lists.
• Fixed: function-calc-no-unspaced-operator accepts newlines.
• Fixed: function-comma-space-after, function-comma-space-before, function-parentheses-newline-inside and function-parentheses-space-inside now ignore SCSS maps.
• Fixed: max-line-length options validation.
• Fixed: no-unknown-animations now ignores none, initial, inherit, unset values.
• Fixed: property-value-blacklist and -whitelist no longer error on properties without a corresponding list entry.
• Fixed: selector-class-pattern now ignores selectors with Sass interpolation.
• Fixed: selector-id-pattern now ignores selectors with Sass interpolation.
• Fixed: selector-no-id now ignores keyframe selectors.
• Fixed: unit-blacklist and unit-whitelist now ignores url functions.

5.2.1

• Fixed: function-calc-no-unspaced-operator now better ignores non-calc functions.
• Fixed: no-descending-specificity no longer delivers false positives after second run in Atom linter.
• Fixed: stylelint-disable-rule imported correctly.

5.2.0

• Added: at-rule-semicolon-newline-after rule.
• Added: no-indistinguishable-colors rule.
• Added: stylelint-disable-reason rule.
• Fixed: declaration-bang-space-* understands arbitrary bang declarations (e.g. !default).
• Fixed: font-weight-notation now ignore inherit value.
• Fixed: indentation treats @nest at-rules like regular rules with selectors.
• Fixed: no-duplicate-selectors contextualizes selectors by all at-rules, not just media queries.
• Fixed: no-duplicate-selectors no longer delivers false positives after second run in Atom linter.
• Fixed: no-duplicate-selectors no longer delivers false positives with descendant combinators.
• Fixed: number-no-trailing-zeros no longer delivers false positives in url() arguments.
• Fixed: root-no-standard-properties no longer delivers false positives inside the :not() pseudo-selector.
• Fixed: selector-list-comma-* rules no longer deliver false positives inside functional notation.

5.1.0

• Added: selector-type-case rule.
• Fixed: no more subtle configuration bug when using extends and plugins together in tangled ways.

5.0.1

• Fixed: string-no-newline no longer stumbles when there are comment-starting characters inside strings.

5.0.0

• Removed: no-indistinguishable-colors because its dependencies were unusable in Atom. (To be re-evaluated and re-added later.)
• Removed: "warn": true secondary option. Use "severity": "warning", instead.
• Removed: color-no-named rule. Use the new color-named rule, with the "never" option instead.
• Removed: declaration-block-no-single-line rule. Use the new block-no-single-line rule instead.
• Removed: rule-no-duplicate-properties rule. Use the new declaration-block-no-duplicate-properties rule instead.
• Removed: rule-no-shorthand-property-overrides rule. Use the new declaration-block-no-shorthand-property-overrides rule instead.
• Removed: rule-properties-order rule. Use the new declaration-block-properties-order rule instead.
• Removed: rule-trailing-semicolon rule. Use the new declaration-block-trailing-semicolon rule instead.
• Removed true option for emptyLineBefore when using property groups in rule-properties-order. Use the new "always" or "never" option instead.
• Removed: "always" option for font-weight-notation. Use the new always-where-possible option instead.
• Added: support for overlapping stylelint-disable commands.
• Fixed: max-nesting-depth does not warn about blockless at-rules.
• Fixed: function-comma-newline-after and related rules consider input to be multi-line (applying to "always-multi-line", etc.) when the newlines are at the beginning or end of the input.
• Fixed: no-indistinguishable-colors no longer errors on color functions containing spaces e.g. rgb(0, 0, 0) -- but also removed the rule (see above).
• Fixed: declaration-block-properties-order no longer fails when an unspecified property comes before or after a specified property in a group with emptyLineBefore: true.
• Fixed: indentation no longer has false positives when there are empty lines within multi-line values.
• Fixed: declaration-colon-*-after no longer fail to do their job when you want a space or newline after the colon and instead there is no space at all.

4.5.1

• Fixed: no-unsupported-browser-features options now optional.
• Fixed: no-duplicate-selectors now ignores keyframe selectors.

4.5.0

• Deprecated: "warn": true secondary option. Use "severity": "warning", instead.
• Deprecated: color-no-named rule. Use the new color-named rule, with the "never" option instead.
• Deprecated: declaration-block-no-single-line rule. Use the new block-no-single-line rule instead.
• Deprecated: rule-no-duplicate-properties rule. Use the new declaration-block-no-duplicate-properties rule instead.
• Deprecated: rule-no-shorthand-property-overrides rule. Use the new declaration-block-no-shorthand-property-overrides rule instead.
• Deprecated: rule-properties-order rule. Use the new declaration-block-properties-order rule instead.
• Deprecated: rule-trailing-semicolon rule. Use the new declaration-block-trailing-semicolon rule instead.
• Deprecated true option for emptyLineBefore when using property groups in rule-properties-order. Use the new "always" or "never" option instead.
• Deprecated: "always" option for font-weight-notation. Use the new always-where-possible option instead.
• Added: universal severity secondary option as a replacement for "warn": true to alter a rule's severity.
• Added: block-no-single-line rule.
• Added: color-named rule.
• Added: declaration-block-no-duplicate-properties rule.
• Added: declaration-block-no-shorthand-property-overrides rule.
• Added: declaration-block-properties-order rule.
• Added: declaration-block-trailing-semicolon rule.
• Added: max-nesting-depth rule.
• Added: no-browser-hacks rule.
• Added: no-descending-specificity rule.
• Added: no-indistinguishable-colors rule.
• Added: no-unsupported-browser-features rule.
• Added: selector-max-specificity rule.
• Added: string-no-newline rule.
• Added: "always" and "never" option to rule-properties-order emptyLineBefore when using property groups
• Added: named-where-possible option to font-weight-notation.
• Added: unspecified: "bottomAlphabetical" option to the rule-properties-order rule.
• Added: ignoreAtRules: [] option to the block-opening-brace-space-before and block-closing-brace-newline-after rules.
• Added: support for using the nesting selector (&) as a prefix in selector-no-type.
• Added: stylelint-disable-line feature.
• Added: withinComments, withinStrings, and checkStrings options to styleSearch, and insideString property to the styleSearch match object.
• Added: resolveNestedSelectors option to the selector-class-pattern rule.
• Fixed: informative errors are thrown when stylelint-disable is misused.
• Fixed: selector-no-vendor-prefix no longer delivers two warnings on vendor-prefixed pseudo-elements with two colons, e.g. ::-moz-placeholder.
• Fixed: no-duplicate-selectors rule now resolves nested selectors.
• Fixed: font-weight-notation does not throw false warnings when normal is used in certain ways.
• Fixed: selector-no-* and selector-*-pattern rules now ignore custom property sets.
• Fixed: nested selector handling for no-duplicate-selectors.
• Fixed: selector-no-id does not warn about Sass interpolation inside an :nth-child() argument.
• Fixed: handling of mixed line endings in rule-nested-empty-line-before, rule-non-nested-empty-line-before, comment-empty-line-before and at-rule-empty-line-before.
• Fixed: number-leading-zero, function-comma-space-*, and declaration-colon-* do not throw false positives in url() arguments.

4.4.0

• Added: ignore: "relative" option for font-weight-notation.
• Fixed: declaration-colon-space/newline-before/after rules now ignore scss maps.
• Fixed: selector-list-comma-newline-after allows // comments after the comma.

4.3.6

• Fixed: removed console.log()s in property-unit-whitelist.

4.3.5

• Fixed: removed console.log()s in rule-properties-order.

4.3.4

• Fixed: option normalization for rules with primary options that are arrays of objects, like rule-properties-order.
• Fixed: accuracy of warning positions are // comments when using SCSS parser.
• Fixed: no-unknown-animations ignores variables.
• Fixed: no-unknown-animations does not erroneously flag functions like steps() and cubic-bezier().
• Fixed: clarified error message in time-no-imperceptible.
• Fixed: font-family-name-quotes and font-weight-notation ignore variables.
• Fixed: media-feature-no-missing-punctuation handles space-padded media features.
• Fixed: regression causing CLI --config relatives paths that don't start with ./ to be rejected.

4.3.3

• Fixed: again removed stylelint.utils.ruleTester because its dependencies broke things.

4.3.2

• Fixed: move tape to dependencies to support testUtils.

4.3.1

• Fixed: include testUtils in npm package whitelist.

4.3.0

• Added: font-family-name-quotes rule.
• Added: font-weight-notation rule.
• Added: media-feature-no-missing-punctuation rule.
• Added: no-duplicate-selectors rule.
• Added: no-invalid-double-slash-comments rule.
• Added: no-unknown-animations rule.
• Added: property-value-blacklist rule.
• Added: property-value-whitelist rule.
• Added: time-no-imperceptible rule.
• Added: ignore: "descendant" and ignore: "compounded" options for selector-no-type.
• Added: support for regular expression property identification in property-blacklist, property-unit-blacklist, property-unit-whitelist, property-value-blacklist, and property-whitelist.
• Added: better handling of vendor prefixes in property-unit-blacklist and property-unit-whitelist, e.g. if you enter animation it now also checks -webkit-animation.
• Added: support for using names of modules for the CLI's --config argument, not just paths.
• Added: codeFilename option to Node.js API.
• Added: exposed rules at stylelint.rules to make Stylelint even more extensible.
• Added: brought stylelint-rule-tester into this repo, and exposed it at stylelint.utils.ruleTester.
• Fixed: bug in rule-properties-order empty line detection when the two newlines were separated by some other whitespace.
• Fixed: option parsing bug that caused problems when using the "alphabetical" primary option with rule-properties-order.
• Fixed: regard an empty string as a valid CSS code.
• Fixed: ignoreFiles handling of absolute paths.
• Fixed: ignoreFiles uses the configBasedir option to interpret relative paths.

4.2.0

• Added: support for custom messages with a message secondary property on any rule.
• Fixed: CLI always ignores contents of node_modules and bower_components directories.
• Fixed: bug preventing CLI from understanding absolute paths in --config argument.
• Fixed: bug causing indentation to stumble over declarations with semicolons on their own lines.

4.1.0

• Added: helpful option validation message when object is expected but non-object provided.
• Fixed: selector-no-id no longer warns about Sass interpolation when multiple interpolations are used in a selector.

4.0.0

• Removed: support for legacy numbered severities.
• Added: support for extensions on .stylelintrc files (by upgrading cosmiconfig).
• Added: ignore: "non-comments" option to max-line-length.
• Fixed: function-whitespace-after does not expect space between ) and }, so it handles Sass interpolation better.

3.2.3

• Fixed: selector-no-vendor-prefix now handles custom-property-sets.

3.2.2

• Fixed: selector-no-type ignores nth-child pseudo-classes and @keyframes selectors.

3.2.1

• Fixed: max-line-length handles url() functions better.
• Fixed: block-opening-brace-newline-after and declaration-block-semicolon-newline-after handle end-of-line comments better.

3.2.0

• Added: legacyNumberedSeverities config property to force the legacy severity system.
• Added: selector-no-id ignores Sass-style interpolation.
• Fixed: bug causing extended config to override the config that extends it.

3.1.4

• Fixed: stopped hijacking --config property in PostCSS and Node.js APIs. Still using it in the CLI.

3.1.3

• Fixed: bug preventing the disabling of rules analyzing the root node, including: max-line-length, max-empty-lines, no-eol-whitespace, no-missing-eof-newline, and string-quotes.
• Fixed: bug causing rule-properties-order to get confused by properties with an unspecified order.

3.1.2

• Fixed: bug causing an error when null was used on rules whose primary options are arrays.

3.1.1

• Fixed: Documentation improvements.

3.1.0

• Added: stylelint-commands ignore option to comment-empty-line-before.
• Fixed: v3 regression causing bug in rule-properties-order and potentially other rules that accept arrays as primary options.
• Fixed: no-missing-eof-newline no longer complains about completely empty files.

3.0.3

• Fixed: list of rules within documentation.

3.0.0-3.0.2

• Removed: nesting-block-opening-brace-space-before and nesting-block-opening-brace-newline-before rules.
• Deprecated: numbered severities (0, 1, 2) and will be disabled in 4.0.
• Changed: renamed rule-single-line-max-declarations to declaration-block-single-line-max-declarations and changed scope of the single-line to the declaration block.
• Changed: renamed rule-no-single-line to declaration-block-no-single-line and changed scope of the single-line to the declaration block.
• Changed: renamed the function-space-after rule to function-whitespace-after.
• Changed: renamed the comment-space-inside rule to comment-whitespace-inside.
• Changed: renamed the no-multiple-empty-lines rule to max-empty-lines (takes an int as option).
• Changed: plugins is now an array instead of an object. And plugins should be created with stylelint.createPlugin().
• Added: cosmiconfig, which means the following:
  • support for YAML .stylelintrc
  • support for stylelint.config.js
  • support for stylelint property in package.json
  • alternate config loading system, which stops at the first config found
• Added: asynchronicity to the PostCSS plugin.
• Added: ignoreFiles option to config.
• Added: configFile option to Node.js API.
• Fixed: comment-whitespace-inside now ignores copyright (/*!) and sourcemap (/*#) comments.
• Fixed: rule-no-duplicate-properties now ignores the src property.

2.3.7

• Fixed: function-calc-no-unspaced-operator ignores characters in $sass and @less variables.
• Fixed: rule-properties-order allows comments at the top of groups that expect newlines before them.
• Fixed: styleSearch() and the rules it powers will not trip up on single-line (//) comments.
• Fixed: selector-combinator-space-before now better handles nested selectors starting with combinators.
• Fixed: rule-properties-order now deals property with -moz-osx-font-smoothing.

2.3.6

• Fixed: improved documentation of CLI globbing possibilities.
• Fixed: rule-properties-order now accounts for property names containing multiple hyphens.
• Fixed: rule-properties-order grouping bug.

2.3.5

• Added: error about undefined severities blaming Stylelint for the bug.
• Fixed: selector-pseudo-element-colon-notation typo in rule name resulting in undefined severity.

2.3.4

• Fixed: dist/ build.

2.3.3

• Fixed: property-whitelist, rule-no-duplicate-properties, and rule-properties-order ignore variables ($sass, @less, and --custom-property).
• Fixed: root-no-standard-properties ignores $sass and @less variables.
• Fixed: comment-empty-line-before and comment-space-inside no longer complain about // comments.

2.3.2

• Fixed: number-no-trailing-zeros no longer flags at-import at-rules.

2.3.1

• Fixed: selector-no-type no longer flags the nesting selector (&).

2.3.0

• Added: configFile option to PostCSS plugin.
• Fixed: function-parentheses-newline-inside and function-parentheses-space-inside bug with nested functions.

2.2.0

• Added: selector-class-pattern rule.
• Added: selector-id-pattern rule.
• Added: function-parentheses-newline-inside rule.
• Added: "always-single-line" and "never-single-line" options to function-parentheses-space-inside.
• Fixed: CLI syntax argument bug.

2.1.0

• Added: color-no-hex rule.
• Added: color-no-named rule.
• Added: function-blacklist rule.
• Added: function-whitelist rule.
• Added: unit-blacklist rule.
• Added: unit-whitelist rule.
• Added: property-unit-blacklist rule.
• Added: property-unit-whitelist rule.
• Added: rule-single-line-max-declarations rule.
• Added: max-line-length rule.
• Added: first-nested exception to comment-empty-line-before.
• Added: single value options to *-blacklist & -*whitelist rules e.g. { "function-blacklist": "calc"}
• Added: support for flexible groups to rule-properties-order.
• Added: support for an optional empty line between each group to rule-properties-order.
• Added: support for mathematical signs in front of Sass and Less variables in function-calc-no-unspaced-operator.
• Added: support for arbitrary whitespace after function in function-space-after.
• Added: support for arbitrary whitespace at the edge of comments in comment-space-inside.
• Fixed: comment-space-inside allows any number of asterisks at the beginning and end of comments.
• Fixed: bug causing { unspecified: "bottom }" option not to be applied within rule-properties-order.
• Fixed: bug causing function-comma-* whitespace rules to improperly judge whether to enforce single- or multi-line options.
• Fixed: bug when loading plugins from an extended config
• Fixed: indentation for function arguments, by ignoring them.

2.0.0

• Changed: plugins are now included and configured via a "locator", rather than either being required or being inserted directly into the configuration object as a function.
• Added: CLI.
• Added: standalone Node.js API.
• Added: quiet mode to CLI and Node.js API.
• Added: support for formatters, including custom ones, to CLI and Node.js API.
• Added: string and json formatters.
• Added: support for using .stylelintrc JSON file.
• Added: support for extending existing configs using the extends property.
• Added: support for SCSS syntax parsing to CLI and Node.js API.
• Added: function-comma-newline-after rule.
• Added: function-comma-newline-before rule.
• Added: "always-single-line" and "never-single-line" options to function-comma-space-after rule.
• Added: "always-single-line" and "never-single-line" options to function-comma-space-before rule.

1.2.1

• Fixed: the media-query-list-comma-* rules now only apply to @media statements.

1.2.0

• Added: function-linear-gradient-no-nonstandard-direction rule.
• Added: rule-properties-order now by default ignores the order of properties left out of your specified array; and the options "top", "bottom", and "ignore" are provided to change that behavior.
• Added: rule-properties-order now looks for roots of hyphenated properties in custom arrays so each extension (e.g. padding-top as an extension of padding) does not need to be specified individually.
• Added: "always-single-line" option to declaration-colon-space-after.
• Added: support for declarations directly on root (e.g. Sass variable declarations).
• Fixed: declaration-colon-newline-after "always-multi-line" warning message.

1.1.0

• Added: declaration-colon-newline-after rule.
• Added: the indentation rule now checks indentation of multi-line at-rule params, unless there's the except option of param.
• Added: support for end-of-line comments in selector-list-comma-newline-after.
• Added: protection against #${sass-interpolation} in rules checking for hex colors.
• Added: support for strings (translated to RegExps) in custom-property-pattern and custom-media-pattern.
• Fixed: bug preventing various rules from registering the correct rule names in their warnings, and therefore also preventing them from being disabled with comments.
• Fixed: the color-no-invalid-hex rule no longer flags hashes in url() arguments.
• Fixed: rules using node.raw() instead of node.raws to avoid expected errors.

1.0.1

• Fixed: postcss-selector-parser updated to improve location accuracy for selector-no-* rules.

1.0.0

• Removed: compatibility with PostCSS 4.x.
• Added: compatibility with PostCSS 5.0.2+.
• Fixed: the accuracy of reported line numbers and columns.

0.8.0

• Added: after-comment ignore option to the at-rule-empty-line-before rule.
• Fixed: the indentation rule now correctly handles * hacks on property names.
• Fixed: the media-feature-colon-space-after and media-feature-colon-space-before rules now only apply to @media statements.
• Fixed: the rule-no-shorthand-property-overrides rule message is now consistent with the other messages.

0.7.0

• Added: invalid options cause the rule to abort instead of performing meaningless checks.
• Added: special warning for missing required options from validateOptions().

0.6.2

• Fixed: npm package no longer includes test files (reducing package size by 500KB).

0.6.1

• Fixed: the rule-properties-order and rule-no-duplicate-properties rules now correctly check inside @rules.

0.6.0

• Added: validateOptions to stylelint.utils for use by authors of custom rules.
• Added: custom-media-pattern rule.
• Added: number-max-precision rule.

0.5.0

• Added: validation of all rule options.

0.4.1

• Removed: ruleTester from stylelint.utils because of the additional dependencies it forces.

0.4.0

• Removed: jsesc devDependency.
• Added: rule-no-shorthand-property-overrides rule.
• Added: ruleTester to stylelint.utils for use by authors of custom rules.

0.3.2

• Fixed: hierarchicalSelectors bug in indentation rule.

0.3.1

• Fixed: ~= is no longer mistaken for combinator in selector-combinator-space-*.

0.3.0

• Added: exposure of report, ruleMessages, and styleSearch in stylelint.utils for use by external plugin rules.
• Added: plugin rule support.
• Added: hierarchicalSelectors option to indentation rule.
• Added: nesting-block-opening-brace-space-before rule.
• Added: nesting-block-opening-brace-newline-before rule.
• Fixed: the color-hex-case rule message is now consistent with the color-hex-length rule.
• Fixed: the property-blacklist rule message is now consistent with the property-whitelist rule.
• Fixed: a typo in the comment-space-inside rule message.

0.2.0

• Added: color-hex-case rule.
• Added: color-hex-length rule.
• Fixed: formalized selector-indentation-checking within the indentation rule.
• Fixed: allow for arbitrary whitespace after the newline in the selector-list-comma-newline-* rules.
• Fixed: selector-combinator-space-* no longer checks :nth-child() arguments.

0.1.2

• Fixed: nesting support for the block-opening-brace-newline-before rule.
• Fixed: nesting support for the block-opening-brace-space-before rule.
• Fixed: nesting support for the rule-trailing-semicolon rule.

0.1.1

• Fixed: nesting support for the rule-no-duplicate-properties rule.
• Fixed: nesting support for the rule-properties-order rule.
• Fixed: whitespace rules accommodate Windows CR-LF line endings.

0.1.0

• Added: ability to disable rules via comments in the CSS.
• Added: at-rule-empty-line-before rule.
• Added: at-rule-no-vendor-prefix rule.
• Added: block-closing-brace-newline-after rule.
• Added: block-closing-brace-newline-before rule.
• Added: block-closing-brace-space-after rule.
• Added: block-closing-brace-space-before rule.
• Added: block-no-empty rule.
• Added: block-opening-brace-newline-after rule.
• Added: block-opening-brace-newline-before rule.
• Added: block-opening-brace-space-after rule.
• Added: block-opening-brace-space-before rule.
• Added: color-no-invalid-hex rule.
• Added: comment-empty-line-before rule.
• Added: comment-space-inside rule.
• Added: custom-property-no-outside-root rule.
• Added: custom-property-pattern rule.
• Added: declaration-bang-space-after rule.
• Added: declaration-bang-space-before rule.
• Added: declaration-block-semicolon-newline-after rule.
• Added: declaration-block-semicolon-newline-before rule.
• Added: declaration-block-semicolon-space-after rule.
• Added: declaration-block-semicolon-space-before rule.
• Added: declaration-colon-space-after rule.
• Added: declaration-colon-space-before rule.
• Added: declaration-no-important rule.
• Added: function-calc-no-unspaced-operator rule.
• Added: function-comma-space-after rule.
• Added: function-comma-space-before rule.
• Added: function-parentheses-space-inside rule.
• Added: function-space-after rule.
• Added: function-url-quotes rule.
• Added: indentation rule.
• Added: media-feature-colon-space-after rule.
• Added: media-feature-colon-space-before rule.
• Added: media-feature-name-no-vendor-prefix rule.
• Added: media-feature-range-operator-space-after rule.
• Added: media-feature-range-operator-space-before rule.
• Added: media-query-list-comma-newline-after rule.
• Added: media-query-list-comma-newline-before rule.
• Added: media-query-list-comma-space-after rule.
• Added: media-query-list-comma-space-before rule.
• Added: media-query-parentheses-space-inside rule.
• Added: no-eol-whitespace rule.
• Added: no-missing-eof-newline rule.
• Added: no-multiple-empty-lines rule.
• Added: number-leading-zero rule.
• Added: number-no-trailing-zeros rule.
• Added: number-zero-length-no-unit rule.
• Added: property-blacklist rule.
• Added: property-no-vendor-prefix rule.
• Added: property-whitelist rule.
• Added: root-no-standard-properties rule.
• Added: rule-nested-empty-line-before rule.
• Added: rule-no-duplicate-properties rule.
• Added: rule-no-single-line rule.
• Added: rule-non-nested-empty-line-before rule.
• Added: rule-properties-order rule.
• Added: rule-trailing-semicolon rule.
• Added: selector-combinator-space-after rule.
• Added: selector-combinator-space-before rule.
• Added: selector-list-comma-newline-after rule.
• Added: selector-list-comma-newline-before rule.
• Added: selector-list-comma-space-after rule.
• Added: selector-list-comma-space-before rule.
• Added: selector-no-attribute rule.
• Added: selector-no-combinator rule.
• Added: selector-no-id rule.
• Added: selector-no-type rule.
• Added: selector-no-universal rule.
• Added: selector-no-vendor-prefix rule.
• Added: selector-pseudo-element-colon-notation rule.
• Added: selector-root-no-composition rule.
• Added: string-quotes rule.
• Added: value-list-comma-newline-after rule.
• Added: value-list-comma-newline-before rule.
• Added: value-list-comma-space-after rule.
• Added: value-list-comma-space-before rule.
• Added: value-no-vendor-prefix rule.