• Changed: --report-needless-disables CLI flag now reports needless disables and runs linting (#4151).
• Changed: display a violation at 1:1 for each file instead of throwing an error on unrecognised 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 violation 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).